3Com CS/3000-48 инструкция обслуживания

® CS/3000 S ERIES C OMMUNICATIONS S ERVER I NSTALLATION G UIDE P art No. 09-0389-001 Published March 1996 CS3000BookFile Page i Tuesday, October 15, 1996 5:12 PM[...]

ii 3Com C orporation ■ 5400 Bayfront Plaza ■ S anta Clar a, California ■ 95052-8145 © 3Com Corporation, 1996. All rights r eserved. No part of this documentation may be reproduced in any form or b y any means or used to make any derivativ e work (such as translation, transformation, or adaptation) without permission from 3C om Corporation. 3[...]

iii Shielded Cables C onnections between 3Com equipment and other equipment and peripherals must be made using shielded cables in order t o maintain compliance with FCC, and other agenc y , electromagnetic frequency emissions limits. Feder al Communica tions Commission Notice This equipment has been test ed and found to comply with the limits f or [...]

A BOUT T HIS G UIDE Introduction This guide pro vides information on installing , configuring , troubleshooting , maintaining , and ser vicing the 3C om ® CS/3000 series of communications ser vers. The CS/3000 series consists of Models CS/3000 and CS/3100. These models are identical except that Model CS/3100 includes a diskette driv e. All refer [...]

2 A BOUT T HIS G UIDE T able 2 T ext Conventions Convention Description “Enter” vs. “Type” “Enter” means to type something, then press the Return or Enter key. Do not press the Return or Enter key when an instruction says only “type.” “Syntax” vs. “Command” The term “syntax” means the general form of a command that conta[...]

1 O VERVIEW CS/3000 series communications ser vers connect serial devices over a local area network (LAN). These products support most asynchronous terminals, hosts, printers , personal computers , modems, wor d processors , and other devices. All CS/3000 series models can be used as terminal servers or as combination host and terminal ser vers. Th[...]

1-2 C HAPTER 1: O VERVIEW Although some multiprotocol c ommunications softwar e packages include Network Control Ser v er (NCS) software for backwar d compatibility , 3Com no longer provides technic al support for NCS software or ser v ers. ■ User ser viceability The user can replace or add a 16-port asynchronous module, and replace the diskette [...]

Components 1-3 CS/3000 series ser vers can also include the follo wing optional components: ■ Ethernet interface modules ■ Single-por t A UI module (10BASE5) ■ Single-por t RJ-45 module (10BASE-T ) ■ Rack mount k it F igure 1-1 shows front and rear views of Model CS/3100. (Model CS/3000 is similar , but does not have a diskette driv e in th[...]

1-4 C HAPTER 1: O VERVIEW Chassis The chassis houses the follo wing components: ■ Motherboard ■ Auxiliary processor board ■ P ower supply module (including fan) ■ 3.5-inch diskette drive (Model CS/3100 only) ■ Hardware int errupt switch F igure 1-2 shows the location of these components in a Model CS/3100 with its cover r emoved . (Model [...]

Chassis 1-5 The follo wing sections describe the motherboard , auxiliar y processor board , and hardware interrupt swit ch. Refer t o “CS/3100 Internal Diskette Drive ” and “P ower Supply Module ” for more information on components sho wn in F igure 1-2. Motherboard The motherboard is secur ed to the bottom of the chassis and includes the m[...]

1-6 C HAPTER 1: O VERVIEW Hard ware Interrupt S witch The hardwar e interrupt switch is located on the server ’ s left side (viewed from the front of the server) near the front, as shown in F igure 1-1 on page 1-3. The switch is recessed behind a small round hole . P ressing this switch generates a nonmaskable interrupt (NMI), abor ting applicati[...]

Front Panel 1-7 Figur e 1-3 F ront P anel of Model CS/3100 LEDs The six front-panel LED indicators displa y diagnostic and operational activity at power-on and while communications server software is running. T able 1-3 lists these fr ont-panel LED indicators and their functions. Reset S witch The reset switch is locat ed at the lower left corner o[...]

1-8 C HAPTER 1: O VERVIEW CS/3100 Internal Diskette Driv e Model CS/3100 includes a 3.5-inch, 135-tpi diskette drive located on the right side of the front panel. The drive can accommodate 2 MB unformatted capacity (1.44 MB formatted) diskettes. This drive is used for booting system software and for performing memor y dumps following a ser ver fail[...]

Back Panel 1-9 If you buy the CS/3000 series ser ver without 16-port asynchronous modules, blanking plates cover the slots int ended for these modules. These blanking plates are shown in F igure 1-4. F or instructions on removing the blanking plates and installing and cabling the modules, refer t o Chapter 2, “Installation.” The Ethernet interf[...]

1-10 C HAPTER 1: O VERVIEW P arallel P rinter P or t T he printer interface por t connects the ser ver to parallel printers with Centronics print er interfaces. For inf ormation on cabling the server to the printer , refer to Chapter 2, “Installation. ” The cable between the server and the printer should not be more than 12 f eet long , so you [...]

Back Panel 1-11 F or inf ormation on the serial connector pin assignments, ref er to Appendix A, “Pin Assignments.” Cable S train Relief Each 16-por t asynchronous module is shipped with a strain relief mechanism. This strain relief allows you t o secure the connectors that fasten to your 16-port asynchronous modules. The strain relief consists[...]

1-12 C HAPTER 1: O VERVIEW Single-P ort A UI Module The single-port AUI module connects to a thick or thin coaxial, twisted-pair , or fiber-optic network through an external transceiver . I t consists of a board and a connector panel containing one AUI port. The A UI port is a horizontally mounted female DB-15 connector . F or wiring information, [...]

Back Panel 1-13 Figur e 1-8 Single-P ort RJ-45 Module F igure 1-8 also shows a connector mounted directly on the board. This connector mates with a connector on the motherboard. F or inf ormation on how to install the single-port RJ-45 module in the ser ver and cable it to a twisted-pair network, refer to Chapter 2, “Installation. ” P ow er Sup[...]

1-14 C HAPTER 1: O VERVIEW Figur e 1-9 Switch-F useholder-Receptacle Assembly The autoranging pow er supply automatically adjusts to the local po wer source. Y ou do not have t o select the appropriate voltage. Cutouts in the po wer supply enclosure r eveal a fan inside . The fan opening ser ves as an air exhaust vent. The single fuse is mounted in[...]

Specifications 1-15 * Including three 16-port asynchronous modules. T able 1-6 and T able 1-7 list electrical requirements and environmental conditions recommended for saf e , reliable operation. T able 1-5 Physical Dimensions Width Depth Height Weight * (CS/3000, CS/3100) 16.25 in. (41.67 cm) 12.75 in. (32.70 cm) 3.75 in. (9.62 cm) 15 lbs (6.8 kg)[...]

2 I NSTALLATION This chapter describes how t o install your CS/3000 series server . T able 2-1 summarizes the steps in the or der in which they should be per formed and indicates whether each step is mandatory or optional. Pr epara tion Do the following bef ore beginning the installation: 1 Remove the communications server , any uninstalled 16-por [...]

2-2 C HAPTER 2: I NSTALLATION 2 V erify that you ha ve r eceived all items on the packing list. 3 Inspect the ser ver and modules f or shipping damage . If you find any damage , contact the shipping company to file a report. If you must return the server or modules to your network supplier or 3C om, ship them in their original shipping car tons a[...]

Installing 16-Port Asynchronous Modules 2-3 CA UTION: P roc edures that inv olve r emoving the server cov er must be per formed by service personnel only . “Ser vic e personnel” means people who have appropriate technical tr aining and experience . Ser vice personnel are awar e of possible hazards and of ways to minimize the danger to themselve[...]

2-4 C HAPTER 2: I NSTALLATION 3 Remove one blanking plate for each 16-port asynchronous module you plan to install. If you are installing f ewer than thr ee modules, remo ve the blanking plate closest to the power supply first and the center blanking plate next. There ar e three blanking plates. Each cov ers two horizontal slots f or serial connec[...]

Installing Ethernet Interface Modules 2-5 6 F asten the panel with the two screws. 7 Replace the cover . W ARNING: T o avoid a fire hazard , always replac e the co ver . O perating the ser v er without a c ov er can c ause it to ov erheat and will v oid the warr anty . a Place the cover on the chassis. Make sure that the panel with the greater num[...]

2-6 C HAPTER 2: I NSTALLATION Figur e 2-3 Installing the Ethernet Interface Module c Continue to slide the module int o the slot until you f eel a slight resistance. This resistance is caused b y the connector on board engaging the connector on the motherboard. 2 F asten the module into the chassis with the two screws . Mounting the Server Y ou can[...]

Mounting the Server 2-7 3 Make sure that the rear of the ser ver is not against a wall or other obstruction. Lea ve appr oximately 9 inches (23 cm) of fr ee space at the rear of the server for cable clearance. 4 Do not stack objects on top of the ser ver . Mounting in a Rack Y ou can order an optional rack mounting k it with your server (3Com par t[...]

2-8 C HAPTER 2: I NSTALLATION Figur e 2-4 Mounting in a Rack Mounting on the W all Y ou can mount the ser ver vertically on a wall using a wall mount k it (3Com par t number 3C760). When mounting the ser ver vertically , place the ser ver in the v er tical stand with the rear panel pointing to one side . Be sure that the side with the exhaust openi[...]

Cabling 16-Port Asynchronous Modules 2-9 Cabling 16-P or t Asynchr onous Modules This section describes how to cable 16-port asynchronous modules to a host, terminal, modem, or other serial equipment. F igure 2-5 provides an overview of the cabling and distribution options and who supplies them, while F igure 2-6 shows typical cabling applications.[...]

2-10 C HAPTER 2: I NSTALLATION The follo wing sections describe the 16-por t asynchr onous module ’ s serial connectors and the distribution options shown in F igure 2-5 and Figure 2-6. These sections also tell you whether you can buy the option dir ectly from 3Com or y our network supplier , and they give recommended vendors and par t numbers. S[...]

Cabling 16-Port Asynchronous Modules 2-11 CA UTION: T o eliminate c able noise emission in ex cess of FC C Part 5, and CISPR22 (EN55022) specifications for Class A devic es, the console c able should be 100% shielded (Inmac ® braid shielded or equiv alent) and hav e connectors with metallic backshells. Cable shields should be c onnected to backsh[...]

2-12 C HAPTER 2: I NSTALLATION ■ 4-ft (1.2-m) oc topus (h ydra) cable , MOD-T AP par t number 24-466-10 ■ 6-ft (1.8-m) oc topus (h ydra) cable , MOD-T AP par t number 24-666-10 Y ou can connec t directly to your serial equipment or to a pat ch panel by using adapters that con vert the oc topus cable RJ-12 connectors to DB-25, . Pa tch P anel If[...]

Cabling 16-Port Asynchronous Modules 2-13 Figur e 2-10 Pin Assignments of P atch P anel for A ttachment to DTE On the other side from the eight RJ-12 ports, each harmonica box contains a 50-pin female connector that can mate with a 50-pin bottom-entry male connector terminating an extension cable. Y ou can buy these patch panels directly from 3Com [...]

2-14 C HAPTER 2: I NSTALLATION Wiring C onsidera tions Y ou must consider the wiring scheme of your cabling when you connect a device such as a host, terminal, modem, or other serial equipment to a serial connector on a 16-por t asynchronous module. The asynchronous module ’ s serial por ts ar e configured as DCE for attachment to DTE devices , [...]

Cabling Ethernet Interface Modules 2-15 Figur e 2-11 Installing Cable Strain Relief Cabling E thernet Inter fac e Modules Pr ocedures f or cabling the two types of modules differ and are described in separate sections. Cabling a Single-P ort A UI Module T o per form this installation, you need either an external transceiver , a fanout box (repeat e[...]

2-16 C HAPTER 2: I NSTALLATION T o connec t the AUI port to a thick or thin coaxial, twisted-pair , or fiber-optic network using a transceiver , fanout box, or hub , f ollow these steps: 1 Install the external transceiver , fanout box, or hub on the network. Refer to the instructions that came with your transceiv er , fanout box, or hub . 2 Connec[...]

Cabling Ethernet Interface Modules 2-17 Figur e 2-12 Latch on A UI P ort Cabling a Single-P ort RJ-45 Module T o per form this installation, you need a straight-thr ough twisted-pair cable a maximum of 330 ft (100 m) long. Y ou must provide the twisted-pair cable. 3Com recommends the follo wing cables for Eur opean customers only: ■ Shielded twis[...]

2-18 C HAPTER 2: I NSTALLATION A ttaching a Prin ter T o attach a printer to a CS/3000 series ser v er , you need a standard PC printer cable with a Centronics-type connector . The cable between the ser ver and the printer should not be more than 12 f eet long , so you must locate y our printer close to the ser ver . F ollow these st eps: 1 Attach [...]

Attaching a Console 2-19 CA UTION: T o eliminate c able noise emission in ex cess of FC C Part 15 Subpar t J, or CISPR22 (EN55022) for Class A devices, the console c able should be triple-shielded (Inmac 536888 or equivalent) and hav e connectors with metallic backshells. Cable shields should be connected to backshells . F or wiring inf ormation fo[...]

2-20 C HAPTER 2: I NSTALLATION If your terminal’ s parameter settings differ from those in T able 2-4, reconfigure the terminal. 3 T urn the terminal on. A ttaching the P ow er C able A power cable is supplied with y our CS/3000 series ser ver . If the power cable does not match your r equirements , contact your network supplier . W ARNING: Pow [...]

3 S TARTUP Once you hav e installed the ser ver hardwar e as described in Chapter 2, “Installation,” y ou are ready to start your ser ver . Y ou can star t from software stored on a 3C om Remote Boot and C onfiguration Ser vices (RBCS) ser v er , from a generic TFTP/FTP ser v er , or from a disk ette inserted in the local drive (CS/3100 only).[...]

3-2 C HAPTER 3: S TARTUP CS/3000 series software for RBCS servers is supplied on a distribution diskette. T o install or upgrade this software, ref er to the Multiprotocol Communic ations Ser v er Oper ation Guide or sof tware release notes . Installing Software on a Generic TFTP/FTP Host The communications ser ver can boot fr om any network that s[...]

Booting from Diskette 3-3 Booting from a Generic TFTP/FTP Host T o boot your communications ser v er from a generic TFTP/FTP host, you must configure the communications ser ver firmwar e and software. F or firmware configuration, ref er to Chapter 4, “Configuration.” For software configuration, refer to the Multiprotocol C ommunications S[...]

3-4 C HAPTER 3: S TARTUP 3 Make sure that there is no diskette in the ser ver’ s disk drive (Model CS/3100 only) and that the ser ver cannot use a network boot sour ce (an RBCS or TFTP/FTP ser ver). If a diskette is in the disk drive, r emove it. I f the communications ser ver is configured to use a netw ork boot source , disconnect it from the [...]

Booting from Diskette 3-5 8 Inser t a blank 2 MB (high-density) diskette (1.44 MB formatted). (Make sure that the diskette is not write-protected .) 9 T ype 2 or press the Return k ey to begin the f ormat. The ser ver f ormats your diskette. When it finishes, this pr ompt appears: Format another diskette (y/n): T o format another diskette, type y [...]

3-6 C HAPTER 3: S TARTUP F ormatting Disk ettes without the C opy C ommand Y ou can also format diskettes without the copy command, using the following pr ocedure: 1 Enter monitor mode using steps 1 thr ough 5 in the previous procedur e. 2 T o format a diskette, enter the f ormat command: fo The follo wing message appears: Insert diskette to be for[...]

Normal Startup Messages 3-7 such as parameter tables , routing tables, and directory of logical names, from the diskette. This process takes about a minute and a half . CA UTION: 3C om suggests that you leav e a working copy of the disk ette in the drive . If the power fails, the communic ations ser ver must hav e a disk ette in the drive to r esta[...]

3-8 C HAPTER 3: S TARTUP If the Self T est LED flashes after the self-test diagnostics have run, the communications ser ver is unable to boot its software . If you are booting remotely , verify that the host ser ver is properly configured and attached t o the network. If you are booting fr om diskette , verify that the diskette is inser ted prope[...]

4 C ONFIGURATION T o configure CS/3000 and CS/3100 firmware settings, use the F irmware Configuration Utility . F irmware is preset at the factory for basic installations; in most cases you do not need to r econfigure it. This chapter describes how to make changes if necessar y . F or inf ormation on configuring communications ser ver software[...]

4-2 C HAPTER 4: C ONFIGURATION 2 Configure the t erminal to 9600 bps , 8 data bits, 1 stop bit , and no parity . These instructions assume the default firmware c onfigur ation. If you have used firmware c onfigur ation commands to change the baud r ate or to select a different console port, modify the instructions accordingly . 3 Make sure tha[...]

Changing the Configuration 4-3 2 T ype D to display curr ent parameter settings. The follo wing display shows factory default settings for the CS/3100 (except for the interface address, which is only an example): Default settings for the CS/3000 are the same , except that the initial boot source is “Network.” 3 T o return to the F irmware Con?[...]

4-4 C HAPTER 4: C ONFIGURATION 6 When you are finished changing firmwar e configuration parameters , press the Escape key to return to the F irmware C onfiguration Utility menu. 7 Pr ess the Escape key again to exit to the monitor prompt. 8 Pr ess the reset switch or po wer off the server to exit monitor mode. * Default. T able 4-1 Firmware C o[...]

Changing the Configuration 4-5 Inter face A ddress Displays the Ethernet addr ess of the Ethernet interface por t. Y ou cannot configure this parameter . J1 Baud Rate Sets the baud rate for the console port. The default v alue is 9600. Y ou can set the rate to 110, 300, 1200, 2400, 9600, 19200, or 38400 bps. Console port parity is set to none, and[...]

4-6 C HAPTER 4: C ONFIGURATION diskette is present, it tries to boot from the netw ork. If it cannot, it asks whether you want to enter the monit or . T ype N to retr y the boot sequence , or Y to enter monitor mode and boot manually . If you do not respond , N is assumed. If you select “F loppy , ” the ser v er tries to boot from diskette . If[...]

Changing the Configuration 4-7 are Bridge T ranspor t P rot ocol (BTP), System L oad P rot ocol (SLP), and T rivial F ile T ransf er P rotocol ( TFTP). BTP is a 3C om proprietary load protocol. This protocol was formerly used with 3Com Netw ork Control Servers (NCSs). 3Com no longer supports NCS software, and y ou should not select this protocol. S[...]

4-8 C HAPTER 4: C ONFIGURATION Address disco very obtains the information listed in this menu either through static entries configured in firmware b y the user , or by BOO T strap Protocol (BOO TP) or Reverse A ddress Resolution P rot ocol (RARP) from another source during system boot. The discovery protocol you choose defines how much additiona[...]

Changing the Configuration 4-9 Memory T est Bypass This parameter configur es the ser ver to perform the complete set or a shor tened version of self-t ests and diagnostics (omitting memor y tests) at power-on or r eset. The shor tened version reduces the duration of the star tup process (self-tests , diagnostics, and boot) to about 2 minut es if [...]

5 M AINTENANCE AND U PGRADES This chapter describes how t o per form maintenance pr ocedures f or your communications ser ver . Any user can perform these procedures: ■ Cleaning the diskette drive (Model CS/3100 only) ■ Replacing the fuse ■ Replacing Ethernet interface modules Only qualified ser vice personnel should per form these procedur [...]

5-2 C HAPTER 5: M AINTENANCE AND U PGRADES ■ T o avoid excessive diskette w ear , change the work ing diskette ever y three months. Ref er to “Copying and F ormatting Diskettes” for the pr ocedure f or copying diskettes. ■ In case of a crash, an immediate memor y dump may help diagnose the problem. Keep six diskettes av ailable for this pur[...]

Maintenance 5-3 2 Pry the car tridge loose . It should pop out easily . 3 Slide the fuseholder car tridge completely out of the enclosure . Figur e 5-1 Removing the F useholder C ar tridge 4 Remove the fuse clip insert from the fuseholder car tridge. The fuse clips , conductors, and fuses are mounted on this cartridge. Pull up the plastic retainer [...]

5-4 C HAPTER 5: M AINTENANCE AND U PGRADES Figur e 5-2 Opening the F useholder Cartridge Replacing an Ethernet Interface Module The procedur e for installing an Ethernet int er face module is similar for all types of modules. Whenev er you handle an Ethernet int er face module, adhere to these electrostatic discharge (ESD) guidelines t o av oid dam[...]

Maintenance 5-5 1 Shut down the ser ver , as described in “Shutting Down ”. 2 T urn off the ser v er and unplug the power cor d from the outlet and the ser ver ’ s power supply receptacle . 3 Uncable the Ethernet interface module. 4 Remove the module fr om the slot. a Remove the tw o screws . b Pry the module out of the slot. Inser t the head[...]

5-6 C HAPTER 5: M AINTENANCE AND U PGRADES c Continue to slide the module int o the slot until you f eel a slight resistance. This resistance is caused b y the connector on the board engaging the connector on the motherboard. 6 F asten the module into the chassis with the two screws . 7 Recable the module. F or instructions on cabling the Ethernet [...]

Upgrades 5-7 Removing the C o v er F ollow these steps to remov e the ser ver cov er : 1 Shut down the ser ver , as described in “Shutting Down ”. W ARNING: Before r emoving the co ver , be sure the unit is turned off and the power c ord is either disengaged from the unit’ s receptacle or unplugged from the wall sock et. 2 If the ser v er is [...]

5-8 C HAPTER 5: M AINTENANCE AND U PGRADES 3 If you are adding a 16-port asynchronous module, continue with step 4. If you are r eplacing one or more modules , you need to remo ve all of them. a Mark all cables to indicate where they connect. b Remove all cable strain r elief mechanisms. Refer to F igure 2-11 on page 2-15 for the location of the ca[...]

Upgrades 5-9 g Remove the tw o screws that fasten the module y ou want to replace . Refer to F igure 2-2 on page 2-4 for the location of these screws. h Remove the module . 4 Install the replacement or new 16-port asynchronous module. If you are planning to install f ewer than three 16-port asynchronous modules, you must install the first module i[...]

5-10 C HAPTER 5: M AINTENANCE AND U PGRADES Replacing the Diskette Driv e This sec tion explains how to r eplace the diskette drive (Model CS/3100 only). Y ou need a #1 and a #2 Phillips screwdriver . F ollow this pr ocedure: 1 Make sure ser v er power is off and the po wer cord is unplugged . 2 Remove the co ver , as described in “Removing the C[...]

Upgrades 5-11 4 Slip the ribbon cable out of the cable clamp . F igure 5-6 shows the location of the cable clamp. 5 Remove the diskette drive fr om the chassis. Remove the scr ew that fastens the diskette drive bracket to the bottom of the chassis. F igur e 5-6 shows the location of the screw . Slide the bracket toward the r ear and lift it and the[...]

5-12 C HAPTER 5: M AINTENANCE AND U PGRADES W ARNING: Do not open the power supply . I t contains hazardous v oltages . There are no user -ser vic eable parts inside. VORSICHT : Öffnen Sie niemals das Netzteil. Hochspannung! Es sind keine zu wartenden T eile enthalten. A VERTISSEMENT : Ne pas ouvrir ce bloc d’alimentation. T ensions dangereuses [...]

Upgrades 5-13 Figur e 5-7 Disconnecting Pow er Supply Cables 4 Remove the po wer supply . a Remove the scr ew that fastens the pow er supply module to the bottom of the chassis. F igure 5-7 shows the location of the screw . b Slide the power supply module t oward the fr ont of the ser ver and lift it par tially out. The bottom of the pow er supply [...]

5-14 C HAPTER 5: M AINTENANCE AND U PGRADES d F or Model CS/3100, disconnect the power wiring harness from the connector on the rear of the diskette drive , as shown in F igure 5-7. 5 Install the new power supply module . a Reconnect the power supply cable to the connector on the motherboard . Make sure you keep the connec tor keys aligned. b F or [...]

Upgrades 5-15 Figur e 5-8 Location of Memory Chips on Motherboard 3 Remove the old memory chips that you want to replace. Using the thumb and forefinger of one or both hands , grasp the front and back of the chip and gently rock it back and forth until it becomes loose. Lift the chip out of its socket. As you remo ve the chip , note its orientatio[...]

5-16 C HAPTER 5: M AINTENANCE AND U PGRADES 5 Being careful to line up the pins with the socket, firmly push each memor y chip into its socket until it snaps into place. CA UTION: Be sur e that no pins are bent under the body of the chip . Each pin must be inserted properly into its socket. 6 Repeat steps 4 and 5 for the r emaining chips. 7 Replac[...]

Upgrades 5-17 3 Remove the EPROM fr om the motherboard . Using a small slotted screw driver or an EPROM-pulling tool, carefully pry the old EPROM out of its socket, mak ing sure not to bend the pins . As you are r emoving the EPROM, note its orientation. The notched edge is towar d the right (when viewed from the fr ont of the ser ver). 4 Place the[...]

5-18 C HAPTER 5: M AINTENANCE AND U PGRADES 2 Place the cover on the chassis. T o ensure correct placement, be sure that the panel with the greater number of ventilation holes is positioned on the left side (viewed from the front of the ser ver). 3 Using the #1 Phillips screwdriv er , tighten the screws on each side of the cover until snug . Do not[...]

6 T ROUBLESHOOTING If your communications ser ver does not start up as described in Chapter 3, “Star tup,” or fails during operation, review the f ollowing troubleshooting hints. If you cannot solve the pr oblem, contact 3Com or your network supplier . Refer to Appendix D, T echnical Support , ” f or technical support information. Startup Pro[...]

6-2 C HAPTER 6: T ROUBLESHOOTING Symptom During self-tests , the Self T est LED remains on for thr ee minutes or longer or the console displays an error message . Meaning The ser ver has failed a self-test. Action The server may not always be able to r eport a failure on the console (for example, CPU failure). If a lighted Self T est LED is the onl[...]

Operating Problems 6-3 Opera ting Pr oblems This section lists problems the CS/3000 series ser ver can experience while it is running multiprotocol communications server software. These problems are indicated by abnormal beha vior of front-panel LEDs or b y error messages on the console. Symptom The Self T est LED flashes continually or the Boot S[...]

6-4 C HAPTER 6: T ROUBLESHOOTING P arameters (f or example , the IP addresses configured in firmware should match the IP addresses of actual devices). If you need to reconfigur e a setting , refer t o “Changing the Configuration ”. 3 If the problems persists, contact 3Com or y our network supplier . Symptom The communications server experie[...]

Ethernet Interface Module Problems 6-5 Symptom The A ctivit y LED on the single-port RJ-45 module does not indicate any activit y , despite being connected to an operational network. Meaning The cable that connects the module’ s por t to the network ma y be shorted or damaged , or you may ha ve installed the wrong type of cable. Action T ake the [...]

6-6 C HAPTER 6: T ROUBLESHOOTING Memory Dump Pr ocedur es If the communications ser ver fails during operation, you can write the contents of the ser ver’ s CPU registers and RAM to an RBCS or TFTP/FTP ser ver , or to diskettes. This procedure is called a memor y dump . The memory dump procedure depends on the communications ser v er ’ s confi[...]

Memory Dump Procedures 6-7 monitor , ” as described in Chapter 4, “Configuration.” If this parameter is set to “Reboot only ,” the communications server reboots automatically after a failure , overwriting RAM. If it is set to “Upload then reboot” the commu- nications ser ver does not allow a memory dump to be written to a diskette. T[...]

6-8 C HAPTER 6: T ROUBLESHOOTING 4 Inser t the first diskette. The ser ver f ormats the disk, writes the memor y dump to the diskette , and displays the f ollowing message: Writing...Label this disk #1 Insert the next dump disk Hit any key to continue Escape to abort the operation 5 F ollow the pr ompts and inser t disks, labeling them accordingly[...]

Memory Dump Procedures 6-9 ■ The text of any error messages that appear ed on the console at the time of the crash (if a console was attached) ■ The text of any error messages that appear ed on the console during any step of the dump procedure , and a description of any action taken to recov er from the error (f or example , skipped the step, r[...]

A P IN A SSIGNMENTS This appendix lists pin assignments for the f ollowing connectors: ■ Serial connectors (16-por t asynchr onous module) ■ A UI por t (single-por t A UI module) ■ RJ-45 por t (single-por t RJ-45 module) ■ Console port ■ P arallel printer port ■ D-type adapters Serial C onnectors CS/3000 series servers provide up to 48 [...]

A-2 A PPENDIX A: P IN A SSIGNMENTS F igure A-1 shows pin numbers for serial connectors on the 16-por t asynchronous module. Figur e A-1 Serial Connector Pin Numbering The communications ser ver acts as a DCE device. The 50 pins in each serial connector correspond to eight DCE ports. Port 0, for instance, consists of pins 1, 2, 3, 26, 27, and 28; po[...]

Serial Connectors A-3 Software V ersion 6.1 and Later Sof tware version 6.1 and later can assign DTR t o pins 3, 6, 9, 12, 15, 18, 21, and 24, which are not used by earlier software versions . RTS remains on pins 1, 4, 7, 10, 13, 16, 19, and 22. Separating the DTR and RTS inputs allows an attached device to use RTS flow contr ol and still use DTR [...]

A-4 A PPENDIX A: P IN A SSIGNMENTS If UseDTRin is set to OnDTR, then pin 1 is interpreted only as RTS, and pin 3 is interpreted as DTR, as shown in T able A-3. The beha vior of the single output control signal (pin 28) has not changed . If Flo wCtrlF rom is set to CTS_RTS, the signal is used as CTS t o flow-control the attached device . If not, th[...]

AUI Port A-5 F anning out the T elc o C onnector Y ou can fan out the eight por ts of the T elco connector to eight 8-pin RJ-45 jacks using a patch panel (described in “P atch P anel”) or to eight 6-pin RJ-12 jacks using an octopus (hydra) cable (described in “Octopus (Hydra) Cable ”). The resulting pin numbers ar e shown in T able A-4. For[...]

A-6 A PPENDIX A: P IN A SSIGNMENTS Figur e A-2 AUI P or t Pin Numbers RJ-45 P ort F igure A-3 shows pin numbers for the RJ-45 por t on the single-port RJ-45 (10BASE-T ) module. T able A-6 lists pin assignments for this port. Figur e A-3 RJ-45 P or t Pin Numbers T able A-5 AUI P ort Pin Assignments Pin Number Function Signal 1 Signal ground SG 2 Car[...]

Console Port A-7 C onsole P or t F igure A-4 shows pin numbers for the console por t on the ser ver’ s back panel. T able A-7 lists pin assignments. This port is a DB-9 male connector based on the 9-pin IBM PC A T standard , and is configured as data terminal equipment (DTE). T o connec t a terminal or other DTE device , use a null modem cable. [...]

A-8 A PPENDIX A: P IN A SSIGNMENTS P arallel P rin ter Po r t CS/3000 series ser v ers include a female print er por t (labeled “P arallel Printer”) for connecting the ser v er to Centr onics-type parallel printers. F igure A-5 shows pin numbering for the printer port. T able A-8 lists pin assignments for this port. The table sho ws pin assignm[...]

D-Type Adapters A-9 D-T ype Adapters D-type adapters provide the connection between a patch panel or octopus (hydra) cable that uses RJ-12 or RJ-45 jacks and a modem (DCE) or a terminal, host, or printer (DTE) that uses a 25-pin RS-232 connector . The adapter that you need depends on whether y ou use a single-input configuration or a dual-input co[...]

A-10 A PPENDIX A: P IN A SSIGNMENTS * CS/3000 series servers ignore this signal. † Pin numbers in parentheses indicate loopback connections that may be necessary for some devices. The prewired adapters listed in Table A-9 include all loopback connections. * Pin numbers in parentheses indicate loopback connections that may be necessary for some de[...]

D-Type Adapters A-11 * Pin numbers in parentheses indicate loopback connections that may be necessary for some devices. The prewired adapters listed in Table A-12 include all loopback connections. * Pin numbers in parentheses indicate loopback connections that may be necessary for some devices. The prewired adapters listed in Table A-12 include all[...]

A-12 A PPENDIX A: P IN A SSIGNMENTS Replacing a CS/1 Server If you are replacing a CS/1 server with a CS/3000 series ser ver , you can use an adapter cable between the CS/3000 series server and your existing CS/1 cables. F igur e A-6 shows typical CS/1 cabling applications and the location of the adapter cable in each application. Figur e A-6 Repla[...]

Replacing a CS/1 Server A-13 T able A-15 Conv ersion Cable C onnector Pin Assignmen ts J1 Pin J2 Pin J1 Signal J1 Pin J2 Pin J1 Signal 3 1 DCD0 26 27 RXD0 1, 2 2 SG0 27 26 TXD0 — 3 Not used 28 28 DTR0 6 4 DCD1 29 30 RXD1 4, 5 5 SG1 30 29 TXD1 — 6 Not used 31 31 DTR1 9 7 DCD2 32 33 RXD2 7, 8 8 SG2 33 32 TXD2 — 9 Not used 34 34 DTR2 12 10 DCD3 [...]

B S TARTUP M ESSAGES At pow er-on or reset, the server per f orms self-tests and diagnostics on the motherboard , auxiliar y processor board , and 16-por t asynchronous modules. It sends status and error messages generated by these tests t o an attached console, if possible. T his appendix lists these messages by type: ■ Normal messages ■ Mothe[...]

B-2 A PPENDIX B: S TARTUP M ESSAGES Auxiliary Processor Boar d - Installed . Meaning: The ser v er has detected the presence of the auxiliary processor board and started self-tests on it. Booting complete Meaning: The boot sequence is complete. Booting from <sourc e> Meaning: The ser ver is booting from the sour ce specified by the Initial B[...]

Motherboard Error Messages B-3 Network timed out Meaning: The ser ver tried to boot fr om an RBCS or TFTP ser ver , but did not receive a r esponse. Skipping memor y t ests! Meaning: This message appears when the Memor y T est Bypass firmware parameter is set to Enable . F or inf ormation on this parameter , refer t o “Memor y T est Bypass”. F[...]

B-4 A PPENDIX B: S TARTUP M ESSAGES <T ype> - F ailed <test name> <t est number> [<x>] [<y>] [<z>] Meaning: <T ype> identifies the motherboard test type being executed at the time of failure: CPU, SIO (serial input/output), or EC (Ethernet controller). <test name> identifies the test that failed , w[...]

Auxiliary Processor Board Error Messages B-5 Channel Attention t o Aux P rocessor Boar d Inoperativ e Meaning: The channel attention interrupt t o the auxiliar y processor board is inoperative. Checksum T est - F ailed Aux P rocessor Boar d Unable to Report Status Meaning: The checksum test of the auxiliary processor board’ s RAM failed. The t es[...]

B-6 A PPENDIX B: S TARTUP M ESSAGES mean that the data test for RAM failed at addr ess 0x4000010. The data that was expected was 0x0100. The ac tual data was 0xFFFF . Star tup T est on Auxiliary Processor Board F ailed Meaning: The auxiliar y processor board failed startup tests administered by communications ser ver software . Status Register - F [...]

C M ONITOR U TILITY This appendix describes how to access and use the monit or utility , which consists of commands and parameters that reside in the motherboard’ s firmware. Monitor mode suspends normal operation and allows interaction only with the monitor command interface. Using this utility , you can per form the f ollowing tasks: ■ Boot [...]

C-2 A PPENDIX C: M ONITOR U TILITY ■ Configure firmwar e to access the monitor during these cir cumstances: ■ At startup ■ If the ser v er becomes nonfunctional ■ Use the hardware interrupt swit ch if the ser ver becomes nonfunctional. ■ If you have Netw ork Manager privilege, enter MONitor . These methods are described in the f ollowin[...]

Entering the Monitor C-3 C onfiguring F irmware to A cc ess the Monitor Y ou can configure firmware parameters to allow y ou to automatically access the monitor at startup or if the ser ver becomes nonfunctional. A t Startup T o configure firmware to access the monitor at startup: 1 Set the Initial Boot Source parameter to “Monitor .” F or[...]

C-4 A PPENDIX C: M ONITOR U TILITY Using a nonconductive object such as a plastic st ylus, press the har dware interrupt switch. The hardwar e interrupt switch is located on the server ’ s left side (viewed from the fr ont of the ser ver) close to the fr ont, as shown in F igure 1-1 on page 1-3. The switch is r ecessed behind a small round hole t[...]

Using Commands C-5 C ommand Descriptions T able 6-1 summarizes monitor mode commands. Y ou can enter commands in either upper- or lower case at the angle bracket prompt. Detailed descriptions of the commands follow the table . * Model CS/3100 only. BS Syntax BS Description Boots the ser ver from the sour ce specified in the Network Boot String par[...]

C-6 A PPENDIX C: M ONITOR U TILITY The <filenumber> parameter specifies a bootfile on the diskette (Model CS/3100 only). Valid entries ar e 0 through 9. F or example, enter bt 2 to boot from file 2 on the diskette. The <filename> and <address> parameters specify the name of the bootfile and the location in memor y where it s[...]

Using Commands C-7 FC Syntax FC Description Enters the F irmware C onfiguration Utility menu. F or information on using this menu, ref er to Chapter 4, “Configuration.” FO Syntax FO Description F ormats a diskette (Model CS/3100 only). F or a description of the procedure, refer t o “F ormatting Diskettes without the C opy Command”. H or ?[...]

C-8 A PPENDIX C: M ONITOR U TILITY SW Syntax SW Description T oggles the menu that appears when you enter H or ? . The default is the user commands menu, containing the commands documented in this guide. Entering SW switches t o the diagnostic commands menu, which lists all av ailable commands. The undocumented commands in the diagnostic menu are f[...]

D T ECHNICAL S UPPORT 3Com pro vides easy access to technical support information through a variety of ser vices. This appendix describes these ser vices. Online T echnical Ser vices 3C om offers w orldwide product suppor t seven days a w eek, 24 hours a day , through the follo wing online systems: ■ 3Com Bulletin Board Service (3ComBBS) ■ W or[...]

D-2 A PPENDIX D: T ECHNICAL S UPPORT Acc ess by ISDN ISDN users can dial-in to 3ComBBS using a digital modem f or fast access up to 56 Kbps. T o access 3ComBBS using ISDN, dial the following number: (408) 654 2703 W orld Wide W eb Site Access the latest netw orking information on 3Com ’ s W orld Wide Web site b y entering our URL into your Int er[...]

Support from Your Network Supplier D-3 Local access numbers ar e av ailable within the follo wing countries: Suppor t from Y our Network Supplier If additional assistance is required , contact your network supplier . M any suppliers are authorized 3C om ser vice partners who are qualified to provide a variety of ser vices, including network planni[...]

D-4 A PPENDIX D: T ECHNICAL S UPPORT * These numbers are toll-free. Returning Pr oducts for Repair A product sent directly to 3Com f or repair must first be assigned a Return Materials Authorization (RMA) number . A product sent to 3Com without an RMA number will be returned to the sender unopened , at the sender’ s expense. T o obtain an RMA nu[...]

I NDEX Symbols ! command C-8 ? command C-7 Numerics 10BASE5 module. See single-port AUI module 10BASE-T module. See single-por t RJ-45 module 16-por t asynchronous module 1-10 cabling 2-9 to 2-15 configurations 1-2 error message B-6 installation 2-2 to 2-5 pin assignments A-2 replacing or adding 5-7 3Com Bulletin Board Service (3ComBBS) D-1 3Com s[...]

2 I NDEX console 2-18 Ethernet inter face module 2-15 to 2-17 patch panel 2-13 power cable 2-20 printer 2-18 single-por t AUI module 2-15 single-por t RJ-45 module 2-17 chassis 1-4 circuit assignments. See pin assignments cleaning disk ette drive 5-2 Client IP Address parameter 4-9 CO command C-6 commands, firmware. See firmware commands componen[...]

I NDEX 3 F ile T ransfer P rotocol server . S ee TFTP/FTP ser ver firmware commands booting C-5 configuration C-7 See also F irmware Configuration Utility copying disk ette C-6 deleting file C-6 dumping memor y t o diskettes C-6 dumping memor y t o network C-8 formatting diskette C-7 help menu C-7, C-8 listing files C-6 repeating C-8 reset C-7[...]

4 I NDEX to RBCS ser ver 6-6 to TFTP/FTP ser ver 6-6 Memor y T est Bypass parameter 3-2, 3-6, 4-10 messages, startup 3-7, B-1 models, communications ser ver 1-1 module asynchronous. See 16-por t asynchronous module AUI. See single-port AUI module Ethernet interface. See Ethernet interface module power supply 1-13, 5-11 RJ-45. See single-por t RJ-45[...]

I NDEX 5 reboot Auto-Reboot parameter 4-5 number of reboots 4-7 remote 3-3 Remote Boot and Configuration Service ser ver . S ee RBCS ser ver remote reboot 3-3 removing cover 5-7 repeater 2-15 repeating firmware command C-8 replacing 16-por t asynchronous module 5-7 cover 5-17 diskette drive 5-10 EPROM 5-16 Ethernet inter face module 5-4 fuse 5-2 [...]

6 I NDEX memor y dump 6-6 to 6-9 operating problems 6-3 to 6-4 star tup problems 6-1 to 6-2 twisted-pair cable 2-17 typographical conv entions 15 U UP command C-8 upgrades adding 16-por t asynchronous module 5-7 removing cover 5-7 replacing 16-por t asynchronous module 5-7 cover 5-17 diskette drive 5-10 EPROM 5-16 power supply module 5-11 private m[...]

LIMITED W ARRANTY HARDW ARE: 3Com warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, for the following lengths of time from the date of purchase from 3Com or its Authorized Reseller: If a product does not operate as warranted during the applicable warranty period, 3Com shall, at its op[...]