NETGEAR GS524T manuale d’uso

R Copper Gigabit Switch Inst allation Guide 24 PORT 10/1 00/1 000 Mbps GS 524 T MODEL[...]

ii © 2002 by N ETGEAR, Inc. All rights rese r ved. T rademarks N ETGEAR ® is a reg istered trademar k of NETG EAR, Inc. in the Un ited States and other Countries. All other tr ademarks and reg is tered trademarks are the pr operty of their perspec tive owners. Statement of Conditions In the inte res t of impro vin g inter nal design, operati onal[...]

iii F ederal Communications Commission (FCC) Compliance Notice: Radio F requency Notice T his device compl ies with par t 15 of the FCC Rules. Oper ation is subject to the follo wing two conditi ons: • T his device may not cause harmful i nterference. • T his device must accept any interfe rence received, includi ng inte rference that may cause[...]

iv Customer Support F or assis tance with installing and conf ig urin g your N ETGEAR system or with questions or pr oblems follo wing i ns tallation: • Check the N ETGEAR Web page at http://www .NETG EAR.com. • Call T echnical Support at the phone number listed on the Support Informati on Card that shipped with your switch. • Email T echn ic[...]

contents v CONTENTS CHAPTER 1 Introduction Features 1-1 P ackage Contents 1-2 CHAPTER 2 Physical Description F ront P anel 2-1 RJ-45 2-2 A u to-upl ink TM 2-2 LEDs 2-4 Rear P ane l 2-4 CHAPTER 3 Applications Desktop Switchi ng 3-1 Segment Switchi ng and Bri dg ing fr om 10 Mbps or 100 Mbps to 1000 Mbps 3-2 CHAPTER 4 Installation Prepari ng the Site[...]

contents vi APPENDIX A T echnical Specif ications A-1 APPENDIX B Connector Pin Assignments RJ-45 Plug and RJ-45 Connector B-1 APPENDIX C Cab ling Guidelines Usin g 1000BASE-T Gig abit Ethernet o ver Categ or y 5 Cable C-1 Overview C-1 Cabl in g C-1 Length C-1 Return Loss C-2 Near End Cross T alk (N EXT) C-2 P atch Cab les C-3 Conclusi ons C-3 F ast[...]

contents vii FIGURES Fi gure 1-1. Model GS524T Switch P ackage Contents 1-2 Fi gure 2-1. F ront P anel of the Model GS524T Switch 2-1 Fi gure 2-2. Rear P ane l of the Mod el GS524T Switch 2-2 Fi gure 2-3. W arn ing! Creati ng loops disab les your networ k (Example 1) 2-3 Fi gure 2-4. W arn ing! Creati ng loops disab les your networ k (Example 2) 2-[...]

contents viii T ABLES T ab le 2-1. LED Descripti ons 2-4 T ab le 4-1. Oper ating En vir onment Requirements 4-1 T ab le 5-1. T r oubleshootin g Infor mation 5-1 T ab le B-1. 10/100/1000 Mbps RJ-45 Plug and RJ-45 Connector Pin Assi gnments B-2 T ab le C-1. Electrical Requirements of Category 5 Cable C-4[...]

intr oduc tion 1-1 CHAPTER 1: INTR ODUCTION T he N ETGEAR Mode l GS524T 24-P or t Copper Gig abit Switch pro vi des you with a low-cost, hi gh-perf ormance network soluti on and is d esigned to anchor and i ntercon- nect 10/100/1000 megabits per second (Mbps) wor kgroups usi ng copper Gi gabit l inks. F eatures T he Model GS524T switch has the f ol[...]

intr oduc tion 1-2 Package Contents Fi gure 1-1 i llustrates the Model GS524T switch package contents. Figure 1-1. Model GS524T Switch Package Contents V er ify that your package contai ns the follo wing: • Model GS524T switch • Rubber f ootpads f or tabletop installati on • T he Ins tallation Gui d e • Rack mount kit f or 19-inch rack i ns[...]

physical descripti on 2-1 CHAPTER 2: PHYSIC AL DESCRIPTION T his chapte r d escribes the hardware features of the N ETGEAR Mode l GS524T Copper Gi gabit Switch. F ront Panel T he front pane l of the Mod el GS524T switch contains the f ollowi ng LEDs that cor re- spond to each network port: FDX/COL (full-duple x/coll ision), Ac tivity(RX/TX)/10Mbps [...]

physical descripti on 2-2 RJ-45 P orts T he Model GS524T switch has 24 auto-s ensing 10/100/1000 Mbps UTP ports. Each por t can operate at 1000 Mbps full-duple x mod e, 100 Mbps full/half duple x mode, or 10Mbps full/half duple x mode, and pro vi de a s tandard UTP for Categ or y 5 or Category 5e cable. Fi gure 2-2 sho ws a RJ-45 connec tor . F or [...]

physical descripti on 2-3 Note: Usin g Auto Upl ink to create multiple active paths between any two network devices can cause undesirab le loops in the network, resultin g in an endless broadcast traff ic that disab les your networ k. Loops occur when there are alte rnate r ou tes between two network dev ices. In Fi g ure 2-3, f or e xample, a loop[...]

physical descripti on 2-4 100-240 VAC 50-60 Hz AC po wer Receptacle F ans LEDs T ab le 2-1 d escribes the activity of the LEDs. T able 2-1. LED Descriptions Label Color Activity Descripti on P owe r Green On P owe r is supplied to the switch. Off P owe r is disconnected. FDX/COL Green On T he por t is operati ng in full-duple x mode. Off T he por t[...]

applicati ons 3-1 CHAPTER 3: APPLICA TIONS T his chapte r pres ents an ove r view of the topolog ies possible by i ncorporati ng the N ETG EAR Mod el GS524T Copper Gi gabit Switch i nto y our network. Desktop Switching Fi gure 3-1 i llustrates the Model GS524T switch, used as a d esktop switch to buil d a powe rful network that enab les us ers to h[...]

applicati ons 3-2 Segment Switching and Bridging from 10 Mbps or 100 Mbps to 1000 Mbps T he Model GS524T switch, as illustrated i n Fi gure 3-2, connec ts multiple power workg roups and servers usi ng hi gh-speed g i gabit l inks. Each power wor kgr oup is anchored by a N ETG EAR Mod el FS518T switch. Other workg roups are connected by a N ETG EAR [...]

installation 4-1 CHAPTER 4: INSTALLA TION T his chapte r d escribes the installati on procedures f or the N ETGEAR Mode l GS524T Copper Gi gabit Switch. Preparing the Site Bef ore you beg i n installi ng your switch, prepare the installati on site. Mak e sure your oper ating en vir onment meets the operati ng env ironment requirements of the equip-[...]

installation 4-2 • T he Ins tallation Gui d e • Suppor t Infor mation Card Installing the Switch on a Flat Surface T o i ns tall the switch on a f lat surface, be sure to attach the rubber f ootpads to the bottom of the switch. Installing the Switch in a Rack Refer to F ig ure 4-1 w hen installi ng the switch in a r ack. Figure 4-1. Attaching M[...]

installation 4-3 Refer to F ig ure 4-2 w hen connec ting the switch. Figure 4-2. Connecting to the Model GS524T Switch V erifying Installation When powe r has been applied to the switch, ver ify that: • T he green po wer LED on the front pane l is on. • T he green l ink LED on each connected por t is on. When the switch is connected and operati[...]

CHAPTER 5: TR OUBLESHOOTING T his chapte r pro vides i nfor mation about troub leshooting the N ETG EAR Model GS524T Copper Gi gabit Switch. T able 5-1 l is ts symptoms, causes, and solu tions of possible pr oblems. T able 5-1. T roub leshooting Information Symptom Cause Solution P owe r LED is off . No powe r is received Check the po wer cord conn[...]

troub leshooting 5-2 Network Adapter Cards Make sure the networ k adapter cards i ns talled in the PCs are i n workin g conditi on and the software dri ver has been i ns talled. Conf iguration If prob lems occur after alte rin g the network conf ig urati on, restore the ori g inal con- nections and deter mi ne the problem by i mplementin g the new [...]

technical spec ificati ons A-1 APPENDIX A: TECHNICAL SPECIFICA TIONS T his append ix pro vides techn ical specif icati ons for the N ETG EAR Model GS524T Copper Gi gabit Switch. Network Protocol and Standards Compatibility IEEE 802.3ab 1000BASE-T IEEE 802.3u 100BASE-TX IEEE 802.3i 10BASE-T IEEE 802.3x f low contr ol Data Coding 1000 Mbps with P AM5[...]

technical spec ificati ons A-2 Interface RJ-45 Connector s for 10BASE-T Ethe rnet, 100BASE-TX F as t Ethernet, and 1000BASE-T Gi gabit Ether net P ower Consumption 75 W Heat Radiation: 34.9812 Btu/hr Acoustic Noise: 50.2dB Input V oltage (Po wer Adapter) 100 – 240 V AC Physical Specif ications Di mensions: 13.0 x 1.7 x 8.0 i n.; 33.0 x 4.3 x 20.7[...]

technical spec ificati ons A-3 Safety Agency Appro vals UL Listed (UL 1950), cUL TUV Licensed (EN 60 950)[...]

connector pin assignments B-1 APPENDIX B: CONNECTOR PIN ASSIGNMENTS T his append ix pro vides i nfor mation about the RJ-45 plug and the RJ-45 connector used for the N ETG EAR Model GS524T Coppe r Gig abit Switch. RJ-45 Plug and RJ-45 Connector It is i mpor tant that all 1000 BASE-T cer tified Categ or y 5 or Category 5e cabl ing use RJ-45 plugs. T[...]

connector pin assignments B-2 T able B-1 l is ts the pin assignments f or the 10/100/1000Mbps RJ-45 plug and the RJ-45 connector . T able B-1. 10/100/1000 Mbps RJ-45 Plug and RJ-45 Connector Pin Assignments Pin Channe l Descr iption 1 A Rx/Tx Data + 2 Rx/Tx Data - 3 B Rx/Tx Data + 6 Rx/Tx Data - 4 C Rx/Tx Data + 5 Rx/Tx Data - 7 D Rx/Tx Data + 8 Rx[...]

cabl ing g uidel ines C-1 APPENDIX C: CABLING GUIDELINES T his append ix pro vides spec ificati ons f or cables used with the N ETGEAR Mode l GS524T Copper Gi gabit Switch. Using 1000BASE-T Gigabit Ethernet o ver Categ ory 5 Cable Overvie w When usin g the 1000BASE-T s tandard, the l im itations of cab le installations and the steps necessar y to e[...]

cabl ing g uidel ines C-2 Return Loss Return loss measures the amount of ref lected signal ene rgy resulti ng from i mpedance changes i n the cabl ing l ink. T he nature of 1000BASE-T rend ers this measurement very i mpor tant; if too much energ y is ref lec ted back on to the receive r , the device wi ll not perf orm opti mally . All f our pair s [...]

cabl ing g uidel ines C-3 Patch Cab les When install ing y our equipment, replace ol d patch panel cab les that do not meet Category 5e specif icati ons. As po inted out in the N EXT sec tion, this near end piece of cable is cr itical for successful ope rati on. Conclusions F or optimum pe rfor mance of your 1000BASE-T pr oduc t, it is i mpor tant [...]

cabl ing g uidel ines C-4 Categ ory 5 Cable Category 5 distributed cable that meets ANSI/EIA/TIA-568-A bui ld ing wir ing standards can be a max imum of 328 feet (ft) or 100 mete r s (m) in length, d ivide d as f ollows: • 20 ft (6 m) between the hub or switch and the patch panel (if used) • 295 ft (90 m) from the wir ing closet to the wall out[...]

cabl ing g uidel ines C-5 Tx Rx 1 2 3 6 Tx Rx 1 2 3 6 A B B B 1 2 3 6 1 2 3 6 Tx Rx Tx Rx T wisted Pair Cables f or 100 BASE-TX F or two devices to commun icate, the transm itter of each device must be connec ted to the receive r of the other device. T he crosso ver function is usuall y implemented inte rnall y as par t of the circuitry in the dev [...]

cabl ing g uidel ines C-6 Patch Panels and Cab les If y ou are using patch pane ls, make sure that they meet the 100BASE-TX require- ments. NETG EAR recommends Categ or y 5e UTP cable f or all patch cables and work area cab les to ensure that your UTP patch cab le rati ng meets or e xceeds the distributi on cable rati ng. T o wire patch pane ls, y [...]

cabl ing g uidel ines C-7[...]

R NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA Phone: 1-888-NETGEAR www .NETGEAR.com M-GS524TNA-0[...]