Black Box LR5100A-T manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    Series 5000 Bridge/Router User and System Administration Guide LR5100A-T, LR5200A-R2 5500147-10 equivalent to 5500071-11 © Copyright 2002 by Black Box Corporation.[...]

  • Page 2

    Speed — Ethernet: Series 5100: 10 Mbps, Series 5200 10/100 Mbps. WAN: V.35, V.11, V24, G.703: up to 2.048 Mbps aggregate, CSU/DSU (WAN): 56/64 Kbps; ISDN(WAN): 128 Kbps Protocol — IP & IPX Multi-Protocol router capabilities; Protocol-independent MAC-layer bridging; SNMP terminal access Indicators — (4) LEDs: Power, LAN, Link 1, Link 2 Con[...]

  • Page 3

    Federal Communications Commission (FCC) Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment genera[...]

  • Page 4

    Using This Manual This Installation and Applications Guide provides the basic information required to initially set-up and configure the router. This guide is organized into the following sections: “ Installation ” provides instructions for installing the router. “ Typical Applications & How to Configure Them ” provides simple configura[...]

  • Page 5

    Contents 1 INSTALLATION 1 Unpack the Router ................................................................................................. 1 Select a Site .............................................................................................................. 1 Identify the Reset Switch .....................................................[...]

  • Page 6

    Contents Configure Remote Site Profile for Frame Relay ........................................................42 Configure Remote Site Profiles for Leased Line PPP ..............................................45 Configure Remote Site Profiles for Frame Relay with ISDN backup ...................47 Advanced Features ................................[...]

  • Page 7

    Contents APPENDIX D INTERFACE PINOUTS 79 Pinout Information .........................................................................................................79 Link Clocking Information ...........................................................................................79 ATL-CSU/DSU Link Module Information ..........................[...]

  • Page 8

    Contents * * * *[...]

  • Page 9

    1 1 Installation This product is a flexible Ethernet Bridge/Router that may be configured to service Local Area Networks and Wide Area Network connections over leased lines, ISDN circuits, and frame relay permanent virtual circuits. The router supports two independent LANs plus one WAN interface or a single LAN plus two WAN interface modules (if tw[...]

  • Page 10

    Applications 2 Identify the Reset Switch The small hole under the front right corner of the faceplate is used in case a hardware reset is required. The end of a paper clip is sufficient to toggle the small switch behind the hole. Front V iew Bottom V iew RESET Figure 1-1 Location of the Reset Hole on Router[...]

  • Page 11

    Applications 3 Identify the Connectors The router is configured with a 10/100BaseT LAN and either one or two optional interface modules. The optional modules may be a second LAN (10 BaseT), a second LAN plus one WAN module, a single WAN module or two WAN modules. Important: If a second LAN module is installed, it must be in the slot 1 (leftmost pos[...]

  • Page 12

    Applications 4 Make the Link Connection(s) By default the links are configured as permanent DTE interfaces. The clocking for each link will be provided by the DCE device connected to each link. The V.35 link modules require interface converters that convert from a DB25 connector to a male 34-pin (V.35) connector used for the V.35 interface. Be sure[...]

  • Page 13

    Applications 5 Power Up the Bridge/Router Once the LAN and Link connections are made and the console is connected to a terminal, you are ready to power-up the router. Connect the AC power cord to the back of the router and plug the cord into the AC wall outlet. Observe the LEDs as the bridge/router powers up. The LEDs will go through a circular fla[...]

  • Page 14

    Applications 6 Conventions Throughout this section, router menu options are shown that are required for the various configuration choices. The appropriate menu options are shown in each instance in the following format: Configuration Option Name Location: Main Ä Sub-Menu Name Ä Sub-Menu Name Ä Option Name The configuration option is shown as wel[...]

  • Page 15

    Applications 7 Login to Bridge/Router and Enter the Required Configuration At the login screen type a 1 and the default password to enter the menu system of the Router. The default password is “BRIDGE” (case sensitive) and should be changed if security is desired. With the options of the built-in menu system, the router may be configured to ope[...]

  • Page 16

    Applications 8 Setting the T1/E1Parameters (T1/E1 WAN only) The parameters required for a T1 or E1 connection may be obtained from your service provider. These may then be entered via the T1/E1 set-up menu to configure the router for that service. T1/E1 Selection: Location: Main Ä Configuration Ä WAN Set Up Ä Link Set Up Ä T1/E1 Set Up Ä Link [...]

  • Page 17

    Applications 9 E1 service does not require line build out selection. Set Link Interface Type: Location: Main Ä Configuration Ä WAN Set Up Ä Link Set Up Ä T1/E1 Set Up Ä LBO as specifed T1 long-haul LBOs: L0db, L7.5db, L15db, L22.5db Short haul LBOs: S0to110ft, S110to220ft, S220to330ft, S330to440ft, S440to550ft, S550to660ft AT&T standard TR[...]

  • Page 18

    Applications 10 Mandatory Configuration The router requires a minimum amount of mandatory configuration in order to operate. The following table identifies the configuration parameters that must be defined for proper operation under the operational states shown in the table. Bridge IP Router IPX Router none IP Address none ISDN - U ISDN – S/T PPP[...]

  • Page 19

    Applications 11 Identify the Status LEDs The four three colour Light Emitting Diodes (LEDs) on the front of the router are depicted in Figure 1-1. The meanings of these LEDs are found in the following chart. Off Bridge/Router is powered down Green Bridge/Router is running and has passed power-up diagnostics Green (flashing) Bridge/Router is in BOOT[...]

  • Page 20

    Applications 12 * * * *[...]

  • Page 21

    13 2 Typical Applications & How to Configure Them The router are flexible Ethernet Bridge/Routers. This section will describe how to set-up the routers using each of its networking functions. Note that depending on the model of unit and what interface modules are installed, some of the configuration examples may not apply; for example, if no IS[...]

  • Page 22

    Applications 14 Bridging and Routing Should You Bridge or Route? When connecting two networks together, the first question to ask is “should I bridge or route”? The decision to bridge or to route may be decided by how the existing networks have been already set-up. Bridging should be used when the network consists of non-routable protocols or r[...]

  • Page 23

    Applications 15 Bridging An Ethernet bridge intelligently forwards Ethernet data packet traffic between connected networks. The traffic may be across the Wide Area Network (illustrated below) or, in the case of the router, may be between two LANs connected to the same unit. Figure 2 - 1 Networks Bridged across a WAN link Ethernet bridges simply for[...]

  • Page 24

    Applications 16 IP Routing An Ethernet IP router is used to intelligently route Internet Protocol (IP) traffic to another network. The networks may be connected across a WAN link (illustrated below) or two LANs connected to the same dual LAN router. Figure 2 -2 IP Networks Routed across a WAN link IP routers forward IP frames based upon their IP de[...]

  • Page 25

    Applications 17 IP Addressing Devices on an IP network are located by their IP addresses, which is a 32 bit number divided into four 8 bit fields. The IP address identifies both the network and the host device (also known as a node) on that network. The address is usually written as the four decimal values for the fields (between 0 and 255) separat[...]

  • Page 26

    Applications 18 Masks The portion of the IP address to use as the network address is specified by using a mask; a mask is the contiguous number of bits to be used for the network address all set to 1. When the mask is logically ANDed with an IP address, the result is the network address. The mask is specified by entering the mask size as the number[...]

  • Page 27

    Applications 19 The router allows mask sizes from 8 to 32 bits. The subnet mask size determines how many bits of the host field of the original IP network address will be used for the creation of subnets. In this example, specifying a mask size of 26 will produce a subnet size of 2 bits. Two bits gives 4 possible sub-network addresses from the orig[...]

  • Page 28

    Applications 20 IP Default Gateway An IP default gateway is an IP router that is resident on the local IP network that this router is connected to and is used to route IP frames for destination networks that do not exist in the routing table. When an IP frame is received that is destined for a network that is not listed in the routing table of the [...]

  • Page 29

    Applications 21 IPX Routing The router are pre-configured to operate as an IPX router. When installed in an IPX network, the router will learn the IPX network numbers from connected networks. It will then route the IPX frames to the appropriate destination IPX network. The IPX routing scenario may consist of one of the two following configurations.[...]

  • Page 30

    Applications 22 to the IPX frames they receive from the network. Manual entries may be made in the routing tables by adding static IPX routes . Novell Servers in One Location Only Some Novell LAN installations require that a remote LAN that consists of only Novell IPX clients be connected to a central LAN that contains the Novell servers and some m[...]

  • Page 31

    Applications 23 The following steps must be performed on the router connected to LAN #2. IPX Routing Disabled Location: Main Ä Configuration Ä IPX Routing Set-up Ä IPX Routing Disabling IPX routing allows the IPX frame types to be modified. Configuration: IPX Routing does not need to be disabled in order to cha nge the defined Note network numbe[...]

  • Page 32

    Applications 24 IPX Forwarding Enabled Location: Main Ä Configuration Ä IPX Routing Set-up Ä IPX Forwarding IPX forwarding must be re-enabled to allow the router to forward IPX frames onto the WAN to the partner router IPX routers. The IPX Forwarding function enables or disables the forwarding of IPX traffic when IPX routing is enabled. When IPX[...]

  • Page 33

    Applications 25 PPP Overview Point to Point Protocol (PPP) is a connection protocol that allows control over the set-up and monitoring of network communications. It is used in procedures for user authentication (name and password), connection management (spoofing, bandwidth on demand, multilink), and compression. If any these functions are required[...]

  • Page 34

    Applications 26 Unnumbered Links An unnumbered link does not use network addressing on the WAN link. The WAN connection is roughly equivalent to an internal connection with each of the two end point routers operating as half of a complete router that is connected between the two endpoint LANs. When an IPCP link is set to unnumbered, the only config[...]

  • Page 35

    Applications 27 Multilink Operation Multilink operation defines the use of more than one link to connect between two PPP routers. When a multilink connection is required, simply enable the Multilink Operation option of the remote site profile for that connection. When a multilink connection is established, the multilink (MP) options within the PPP [...]

  • Page 36

    Applications 28 Basic WAN Configurations Basic ISDN Connections If this router are configured as an ISDN bridge/router, it may establish WAN connections to other bridge/routers via ISDN (Integrated Services Digital Network) connections. Before the router can establish an ISDN connection to another ISDN router, the ISDN information must be defined. [...]

  • Page 37

    Applications 29 The following steps must be performed to configure the router: The default switch type for ISDN S/T interface modules is NET3, the default switch type for ISDN U interface modules is NI-1. If the type of service your provider uses matches the default setting for the interface module, the following step may be skipped, otherwise, the[...]

  • Page 38

    Applications 30 Once the ISDN switch type and directory numbers have been configured, the router must be reset for the new values to take effect and for the ISDN BRI interface to register with the central switch. Soft Reset Location: Main Ä Diagnostics Ä Soft Reset Once the router has restarted it is ready to establish ISDN connections. With the [...]

  • Page 39

    Applications 31 PPP ISDN Manual Call Quick Connections The PPP router should be configured with a remote site profile entry for each router that will be called. A manual direct dial connection may be performed to establish an initial connection to a remote site router. Once the connection is established and working properly, the remote site configu[...]

  • Page 40

    Applications 32 IPX Router Manual Call Connection To establish an IPX PPP direct dial connection, enter the ISDN phone number of the remote site PPP router in the manual dial option. Refer to the Configure as an Ethernet IPX Router section 2.3.1 for more information on IPX configuration required. Manual Call Location: Main Ä Configuration Ä Conne[...]

  • Page 41

    Applications 33 Basic Frame Relay Configuration North American routers with at least one non-ISDN interface are configured to have frame relay enabled for that interface by default. Routers shipped outside of North America with at least one non-ISDN interface will have frame relay disabled on that interface as a default setting. See the following p[...]

  • Page 42

    Applications 34 Configuration: The default configuration for routers shipped outside North America is to have frame relay disabled. To run frame relay on these routers, it must first be enabled. Selecting the Frame Relay option will toggle the setting from disabled to enabled. 7 Frame Relay enable Location: Main Ä Configuration Ä WAN Set-up Ä Li[...]

  • Page 43

    Applications 35 If during this learning process the maximum number of remote sites has been reached, the router will prompt you that there are no remote sites available. A new remote site cannot be auto-created unless one of the existing remote sites is manually deleted. Auto-learning with PPP encapsulation enabled (see following pa ge) may not be [...]

  • Page 44

    Applications 36 Quick Start Frame Relay Since the router auto-learns the frame relay configuration, only a couple of parameters need to be configured before the unit is fully operational as an IP router for frame relay. Upon initial start up, the router are pre-configured to query the frame relay service to auto-learn the LMI type and the PVC DLCI [...]

  • Page 45

    Applications 37 Basic Leased Line Configuration The router establishes PPP (Point to Point Protocol) WAN connections to other PPP Leased Line routers or to other vendors PPP leased line routers via direct leased line connections. Either 1 or 2 links may be used to connect to other PPP routers. Configuration: The default configuration for routers sh[...]

  • Page 46

    Applications 38 The following steps must be performed on each of the routers in the network. Local IP Address Location: Main Ä Configuration Ä LAN Set-up Ä LAN IP Set-up Ä IP Address / mask size This is the IP address and subnet mask for the link of this router in the unnumbered IP connection. Usually the clocking signal is received from the li[...]

  • Page 47

    Applications 39 Configure Remote Site Profiles Remote Site Profiles allow the router to have different sets of configuration parameters for each of the remote site routers that may be called or that may call this router. This allows complete control over the configuration of each possible connection. Each remote site profile is assigned an identifi[...]

  • Page 48

    Applications 40 Configure Remote Site Profiles for ISDN PPP If this router is configured to have at least one ISDN switched circuit, the ISDN call parameters must be defined so that the router knows what ISDN phone number to dial when a connection to this remote site is required and what security parameters to use when establishing a connection. Wh[...]

  • Page 49

    Applications 41 1 b) Defining this remote site profile within the IP Address connect table, which will cause a call to be made when a packet for this IP address is routed, Location: Main Ä Configuration Ä WAN Set up Ä IP Address Connect Ä IP Address Connect Enabled 1 c) Defining the Auto-Call option within the Edit Remote Site menu of this remo[...]

  • Page 50

    Applications 42 Configure Remote Site Profile for Frame Relay Each of the PVC’s on the frame relay service must be configured within an individual remote site profile on the router. This is usually done automatically through the auto- learning process. When the frame relay router first starts up it will query the frame relay service to try to det[...]

  • Page 51

    Applications 43 The DLCI number defined here is the Data Link Connection Identifier value provided by your frame relay service provider. This value must be set if auto-learning is disabled. Each Remote Site PVC must be defined to exist on one of the two physical WAN links available on this router. Primary Link Location: Main Ä Configuration Ä WAN[...]

  • Page 52

    Applications 44 EIR Location: Main Ä Configuration Ä WAN Set up Ä Remote Site Set-up Ä Edit Remote Site Ä Connection Set-up Ä EIR The EIR value specifies the indicated data rate that may be available for this PVC. This value must be set to the same as the value provided by the Frame Relay network provider. When EIR = 0, no excess burst data i[...]

  • Page 53

    Applications 45 Configure Remote Site Profiles for Leased Line PPP Remote Site Profiles allow the router to have different sets of configuration parameters for each of the possible remote site PPP routers that may be connected to this router. This allows greater control over the configuration of each possible PPP connection. Each remote site profil[...]

  • Page 54

    Applications 46 Now that the remote site profile is created, a link number must be assigned as the primary link number. The primary link number is the link interface that the router will use to attempt to establish a connection to the remote site PPP router. Primary Link Number Location: Main Ä Configuration Ä WAN Set up Ä Remote Site Set-up Ä [...]

  • Page 55

    Applications 47 Configure Remote Site Profiles for Frame Relay with ISDN backup Frame Relay operation is set-up as described in section 2.3.2 The PVC on both partner routers must be disabled during this set-up procedure, then re-enabled when ready to start. ISDN call set-up is done as described in section 2.3.1. Recovery operation is set-up on the [...]

  • Page 56

    Applications 48 Advanced Features Configure Dynamic Host Configuration Protocol The router uses Dynamic Host Configuration Protocol (DHCP) to allow users in a small office environment to be added and removed from a network with all of the network information (i.e. IP address, DNS, subnet mask, etc.) being configured automatically. DHCP configures d[...]

  • Page 57

    Applications 49 DNS Set-Up Location: Main Ä Configuration Ä Application Set-up Ä DHCP Set-up Ä DNS Set-up Ä Primary DNS -IP address local DNS server Ä Secondary DNS -IP address external DNS server Figure 2 -10 Local + External DNS Server Configuration The configuration options described here are only for initial set-up and configuration purpo[...]

  • Page 58

    Applications 50 Network Address Translation and Port Translation The router provides support for Network Address Translation (NAT). Network Address Translation is a technique that translates private IP address on a private network to valid global IP addresses for access to the Internet. Network Address Port Translation (NAPT) translates both the IP[...]

  • Page 59

    Applications 51 Figure 2 -11 NAPT Configuration Internet Service Provider Private Network Addresses: Global IP Address: 199.87.65.43 NAPT mapping: 1.1.1.2 = 199.87.65.43 (25) 1.1.1.3 = 199.87.65.43 (23) 1.1.1.4 = 199.87.65.43 (80) e-mail server 1.1.1.2 telnet server 1.1.1.3 WWW server 1.1.1.4 1.1.1.6 1.1.1.8[...]

  • Page 60

    Applications 52 Security The router provides a number of means of providing security on incoming and outgoing traffic on a network. These methods include access password authentication, firewall limiting access to only designated device addresses, private network address translation (NAT) and filtering for both incoming and outgoing traffic. Config[...]

  • Page 61

    Applications 53 Remote Site Security Parameters Entry Location: Main Ä Configuration Ä WAN Set up Ä Edit Remote Site Ä Security Parameters Ä Outgoing User Name Ä Incoming PAP Password Ä Outgoing PAP Password or Ä Incoming CHAP Secret Ä Outgoing CHAP Secret The outgoing entries in the security database define the user names and passwords/se[...]

  • Page 62

    Applications 54 Configure Firewall The router provides Firewall security for restricting access between any two networks connected through the router. Firewalls are set-up on a per connection basis for the LAN and remote sites. The direction of filtering is from the perspective of the router; incoming traffic is from the network in question to the [...]

  • Page 63

    Applications 55 First the firewall on the ISP connection (remote site 1) of the WAN is set-up. The firewall option is set to “inbound” to have this WAN firewall filter traffic from the ISP to the router while allowing unrestricted access out to the Internet. Firewall Location: Main Ä Configuration Ä Applications Set-up Ä Firewall Set-up Ä W[...]

  • Page 64

    Applications 56 Then an entry is placed in the firewall table to allow the devices in the branch office remote site to have unlimited TCP access to devices in the head office. Firewall Table Entry Location: Main Ä Configuration Ä Applications Set-up Ä Firewall Set-up Ä LAN Firewall Set-up Ä Edit Firewall Entry Ä filter ID # 1 Ä Destination A[...]

  • Page 65

    Applications 57 Network Address Translation Using private addresses on a network and NAT/NAPT for interactions over an internetwork connection hides the internal address from the rest of the world. Access is restricted to only those services that are specifically designated to be available. Please see section 2.4.2 for more information on Network A[...]

  • Page 66

    Applications 58 Bandwidth On Demand The router may be set to activate its secondary link when the load on the primary link exceeds a user-defined threshold. Set the traffic loads for enabling and disabling the secondary circuit Location: Main Ä Configuration Ä WAN Set up Ä Remote Site Set-up Ä Edit Remote Site Ä Activation Set-up Ä Threshold [...]

  • Page 67

    Introduction to Filtering 59 3 Introduction to Filtering This router provides programmable filtering which gives you the ability to control under what conditions Ethernet frames are forwarded from one network to another. There are many reasons why this might need to be accomplished, some of which are security, protocol discrimination, bandwidth con[...]

  • Page 68

    Introduction to Filtering 60 Pattern Filtering Pattern filtering is provided in three separate sections: Bridge Pattern Filters, IP Router Pattern Filters, and IPX Router Pattern Filters. When the router is operating as an IP/IPX Bridge/Router, each of the frames received is passed on to the appropriate internal section of the router. The IPX frame[...]

  • Page 69

    Introduction to Filtering 61 Example: ~12-80 This filter pattern will match if the packet information starting at the 12th octet does not equal the 80 of the filter pattern. ( ) brackets Used in pattern filters to separate portions of filter patterns for specific operators. Example: 12-80&(14-24|14-32) This filter pattern will be checked in two[...]

  • Page 70

    Introduction to Filtering 62 Banyan Banyan (12-0BAD) (12-80C4) (12-80C5) IP Router IP router pattern filters are applied to IP Ethernet frames that are being routed. When the router is operating as an IP router, all IP routed frames will be checked against the defined IP router pattern filters. IP routed frames are unaffected by the bridge pattern [...]

  • Page 71

    63 Appendix A Menu Trees The menu trees on the following pages are a graphical representation of the hierarchy of the built-in menu system of the router. Each of the menus are shown with the options of the menus being displayed below the specific menu name. Each of the menu options shown in each of the menu trees is explained in the accompanying ro[...]

  • Page 72

    1 Configuration 1. Terminal 2. Show 3. Add 4. Remove 1. Terminal Set-Up menu 2. Device Set-Up menu 3. Te lnet Set-Up menu 4. Load FLASH Set-Up menu 5. Console 6. Hardware Status 7. TFTP access Access Set-Up 1] 1] 1] 2] 2] 3] 4] 5] 1. Password 2. Device Name 3. Show Time 4. Set Time 1. Te lnet access 2. Te lnet 3. Te lnet port 4. Show Names 5. Add N[...]

  • Page 73

    Continued from previous page 1. Destination 2. Status 3. Remote site 2. Next hop 3. Type 4. Cost 5. Private 6. Add/Remove 8. Status 7. Network mask 1. IP Routes menu 1. Edit Static Route 2. Default Gateway 3. Show all Routes 4. Show Static Routes 5. Clear Static Routes 1. Edit Route 1. Edit Service 2. ARP Set-up menu 3. IP routing 4. IP forwarding [...]

  • Page 74

    * * * *[...]

  • Page 75

    67 Appendix B Octet Locations on Ethernet Frames This appendix provides octet locations for the various portions of three of the common Ethernet frames. When creating pattern filters these diagrams will assist in the correct definition of the patterns. The offset numbers are indicated by the numbers above the frame representations. Note the differe[...]

  • Page 76

    Octet Locations 68 Octet Locations on a Bridged Novell Netware Frame ETHERNET Type Codes Type Code Description 0800 DOD IP 0801 X.75 Internet 0804 Chaosnet 0805 X.25 Level 3 0806 ARP 0807 XNS Compatibility 6001 DEC MOP Dump/Load 6002 DEC MOP Remote Console 6003 DEC DECNET Phase IV Route 6004 DEC LAT 6005 DEC Diagnostic Protocol 6006 DEC Customer Pr[...]

  • Page 77

    Configuration Pages 69 Octet Locations on an IP Routed TCP/IP Frame Octet Locations on an IPX Routed Novell Netware Frame[...]

  • Page 78

    Octet Locations 70 Octet Locations on a Bridged XNS Frame[...]

  • Page 79

    71 Appendix C Servicing Information Opening of the case and changing of modules is only to be performed by qualified service personnel. WARNING ! Always disconnect the power cord from the rear panel of the bridge/router. The bridge/router case does not need to be opened to change LAN or WAN interface modules. Opening the case 1) Remove power from t[...]

  • Page 80

    Servicing Information 72 Identifying the Internal Components The major components of concern are shown in the following illustration. Link 2 Interface Module (ISDN BRI, DSU, G.703, RS232, V .35, RS422 or V .11) Primary LAN & Console Interface Module Link 1 LAN 2 or Module (ISDN BRI, DSU, G.703, RS232, V .35, RS422 or V .11) Interface Flash Memo[...]

  • Page 81

    Servicing Information 73 To Clear a “Lost” Password 1) Remove power from the bridge/router. 2) Remove the screw securing the LAN / Console module to the rear of the bridge/router. Be sure to grip the module only by the flange at the bottom of the metal panel. 3) Unplug the LAN / Console module approximately 1/2 inch from t he bridge/router. Be [...]

  • Page 82

    Servicing Information 74 Installing the ISDN Link Modules If there is an ISDN module plus another type of WAN interface module or if there is a single ISDN module, t he ISDN U or S/T Module must only be installed in the Slot 1 position. The slot 2 position may contain another type of WAN module or may be unused and covered with a blank panel. For t[...]

  • Page 83

    Servicing Information 75 Changing the Termination Straps on the ISDN S/T Interface The ISDN S/T link interface module has two configurable straps that control whether the ISDN LINE is set to terminated or unterminated. Jumper straps W5 and W6 are factory installed to configure the module as TERMINATED. The TERMINATED position is used when the bridg[...]

  • Page 84

    Servicing Information 76 Performing a Software Upgrade 1) Execute the Network (TFTP) command from the Load FLASH Set-Up menu. 2) Enter “none” to connect locally or enter the remote site ID number or alias to connect to a remote site. 3) Start the TFTP application to be used for transfers to the router. (The IP address of the router may be found[...]

  • Page 85

    Servicing Information 77 In the following diagram of a cluster of routers, when upgrading the three routers in the diagram, the upgrade order should be Router C, then Router B, and finally Router A. A TFTP software load to router C would be performed as follows: - Using TFTP, get config.txt from each router and save. - Telnet to Router C. Enter the[...]

  • Page 86

    Servicing Information 78 * * * *[...]

  • Page 87

    79 Appendix D Interface Pinouts Pinout Information Each link interface available is described with detailed information on pin designation. Standard interface cables will provide correct connections to modems, datasets, or DSU/CSUs. When connecting two bridge/routers back-to-back without modems, a null-modem cable is required to crossover the pins [...]

  • Page 88

    Interface Pinouts 80 These modules may have either the UP/DOWN switch type or the ON/OFF slide switch type. Each type is illustrated below. CSU/DSU LINE 1 2 3 4 Switches up down Figure D-1 Rear View of ATL-CSU/DSU Link Module with UP/DOWN Switches Figure D-2 View of ATL-CSU/DSU Link Module with Sliding ON/OFF Switches When connecting two bridge/rou[...]

  • Page 89

    Interface Pinouts 81 Console Pinouts The connector shown here and pinouts described here correspond to the connector labeled “Console” on the back of the unit. DB25 Female DCE 13 1 25 14 Contact Number CCITT Circuit Number IEEE Circuit Desig. Circuit Name Direction To From DCE DCE 1 101 AA Protective Ground NA 2 103 BA Transmitted Data X 3 104 [...]

  • Page 90

    Interface Pinouts 82 V.24 & RS232C Link Pinouts The connector shown here and pinouts described here correspond to the connector labeled “RS232 / V.24” on the back of the unit. DB25 Female DTE 13 1 25 14 Contact Number CCITT Circuit Number Circuit Circuit Name Direction To From DCE DCE 1 101 AA Protective Ground NA 2 103 BA Transmitted Data [...]

  • Page 91

    Interface Pinouts 83 V.11/X.21 Link Pinouts The connector shown here and pinouts described here correspond to the connector labeled “V.11/x.21” on the back of the unit. DB15 Female DTE 1 8 9 15 Contact Number X.21 Circuits Reference Circuit Name Direction To From DCE DCE 1 Protective Ground NA 2 T (A) Transmitted Data (A) X 3 C (A) Control (A) [...]

  • Page 92

    Interface Pinouts 84 RS442 & RS530 Link Pinouts The connector shown here and pinouts described here correspond to the connector labeled “RS530” on the back of the unit. DB25 Female DTE 13 1 25 14 Contact Number Circuit Circuit Name Direction To From DCE DCE 1 Shield Protective Ground NA 2 BA (A) Transmitted Data X 3 BB (A) Received Data X 4[...]

  • Page 93

    Interface Pinouts 85 V.35 Link Pinouts The connector pinouts described here correspond to the connector labeled “V.35” on the back of the unit. 13 1 25 14 DB25 Contact Number M.34 Contact Number Circuit Name Direction To From DCE DCE 1 A Protective Ground NA 2 ---------- 3 ---------- 4 C Request to Send X 5 ---------- 6 E Data Set Ready X 7 B S[...]

  • Page 94

    Interface Pinouts 86 RS232 Null-Modem Cable Configuration Figure D-9 RS232 Null-Modem Cable The connecting cable must be a shielded cable. This cable is needed when it is necessary to connect two units back-to-back and a set of modems is not available. Note that this cable specifies DB25 connectors on each end to allow direct connection to the link[...]

  • Page 95

    Interface Pinouts 87 V.35 Null-Modem Cable Configuration P r o t ec t i ve G ND T r a n s m i tt e d D a t a ( A ) T r a n s m i tt e d D a t a ( B ) R ece i ve d D a t a ( A ) R ece i ve d D a t a ( B ) T r a n s m i tt e r S i gn a l E l e m e n t T i m i ng ( A ) T r a n s m i tt e r S i gn a l E l e m e n t T i m i ng ( B ) R ece i ve r S i gn [...]

  • Page 96

    Interface Pinouts 88 RS530 Null-Modem Cable Configuration S h i e l d T r a n s m i tt e d D a t a ( A ) T r a n s m i tt e d D a t a ( B ) R ece i ve d D a t a ( A ) R ece i ve d D a t a ( B ) R e qu es t T o S e nd ( A ) R e qu es t T o S e nd ( B ) C l ea r T o S e nd ( A ) C l ea r T o S e nd ( B ) DC E R ea d y ( A ) DC E R ea d y ( B ) D T E [...]

  • Page 97

    Interface Pinouts 89 RS530 To RS449 Conversion Cable T r a n s m i tt e d D a t a ( A ) D a t a T e r m i n a l R ea d y ( A ) T r a n s m i tt e d D a t a ( B ) D a t a T e r m i n a l R ea d y ( B ) R ece i ve d D a t a ( A ) R ece i ve r S i gn a l E l e m e n t T i m i ng ( DC E S ou r ce ) ( A ) R ece i ve d D a t a ( B ) R ece i ve r S i gn a[...]

  • Page 98

    Interface Pinouts 90 V.11/X.21 Null-Modem Cable Configuration Figure D-13 V.11/X.21 Null-Modem Cable The connecting cable must be a shielded cable. Circuits which are paired (contain an (A) and (B) reference) should be connected to twisted pairs within the connecting cable. This cable is needed when it is necessary to connect two units back-to-back[...]