NETGEARメーカーGS748Tの使用説明書/サービス説明書
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350 East Plumeria Drive San Jose, CA 95 134 USA August 2012 202-10725-02 v2.0 G S7 48T G i g ab it Smart Sw i t c h Har dw a r e In stallation Guide.
2 GS748T Gigabit Smart Switch ©2012 b y NETGEAR, Inc. All right s reserved No p art of this publica tion may be reprodu ced, tr ansmitted, tra nscribed, store d in a retri eval syste m, or trans lated into any language in an y form or b y any means wi thout the written permiss ion of NE TGEAR, Inc.
3 Conte nts Cha pter 1 Introduction Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 GS748T Gigabit Smart Switch Switch In tegrity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Auto-Nego tiation .
5 1 1. Intr oduc tion Congratulat ions on t he purchase of y our NETGEAR ® ProSafe TM GS748T Gigabit Smart Switch! Y our GS748T switch is a state- of-the-art, high-perfor mance, IEEE-compli ant netwo.
6 GS748T Gigabit Smart Switch Overvi ew The NETGEAR GS748T Gigabit Smart Switch provi des 48 twisted- pair ports with four buil t-in Small Form Factor (SFP) GBIC slot s that support nonstop 1000M fiber networks . Using these Gigabit slot s, you ca n create high- speed connecti ons to a server or network backbone.
7 GS748T Gigabit Smart Switch Features The foll owing lis t identifi es the key feat ures of t he GS748T: • Forty-ei ght 10/100/1000 Mbp s auto-sensing Gigabit -Ethernet swit ching ports. • T wo SFP combo ports. • T wo dedicated 1000M SFP fiber port s.
8 GS748T Gigabit Smart Switch P ackage Con tents Figure 1 shows the package content s of the GS748T Gigabi t Smart Swi tch. Figur e 1. Package Co ntents V erify that the package cont ains the followin.
9 2 2. P h ys ica l D esc r i pt ion This chapter descr ibes the GS748T Gigabit Smart Switch hardwar e features. T opics incl ude: • GS748T Front-Panel and Back- Panel Configurat ion • LED Designa.
10 GS748T Gigabit Smart Switch GS748T F ront -P anel and Back -P anel Conf igur atio n The GS748T has 48 10/100/ 1000 Mbps copper ports, two 10 00 M bp s SFP combo ports, and two dedicate d 1000 Mbp s SFP fiber ports. The SFP combo port s are s hared with copper ports 47 and 48.
11 GS748T Gigabit Smart Switch LED Designations Po r t L E D s The foll owing t able descr ibes the RJ -45, combo, and dedicated SFP port LED designat ions. There are two LEDs for each RJ-45 port. Each SFP port has its own indi cation LED. System LED The foll owing t able descr ibes the s ystem LED desi gnations.
12 GS748T Gigabit Smart Switch Device Hardware Interfaces RJ -45 P orts RJ-45 ports are autos ensing port s. When inserting a cable into an RJ-45 port , the switch automaticall y ascert ains the maximum speed (10, 100, or 1000 Mbps) and duplex mode (half-dupl ex or full-d uplex) of the att ached device.
13 GS748T Gigabit Smart Switch R eset Button The Smart Switch has a Reset button on the front p anel to allow you to manuall y reboot the switch. This acti on is equi valent to po w ering t he unit off and back on. The last saved configurat ion is loaded i nto the switch as it reset s.
14 GS748T Gigabit Smart Switch.
15 3 3. A pp l ic a t io n s Y our GS748T Gigabit Smart Switch is desig ned to provide fl exibility in conf iguring your network connect ions. It can be used as your only network t raffi c-distribut ion device or with 10 Mbps , 100 Mbps, and 1000 Mbps hubs and swit ches.
16 GS748T Gigabit Smart Switch Desktop Sw itching The GS748T can be used as a desktop switch to build a small networ k that enables users t o have 1000 Mbps access to a file server . With full -duplex enabled, the swit ch port connected to the server or c omputer can provide 2000 Mbps throughput .
17 GS748T Gigabit Smart Switch Backbone S witching Y ou can use the GS748T Gigabit Smart Swit ch as a backbone switch in a small network that gives users high-speed acc ess to servers and other network devices.
18 GS748T Gigabit Smart Switch.
19 4 4. Inst allati on This chapter descr ibes the inst allation procedures for your GS748T Gigabit Smart Switc h. Switch inst allation involves t he following step s: S tep 1: Prepar e the Sit e S te.
20 GS748T Gigabit Smart Switch Step 1 : P re pare the S ite Before you i nstall the s witch, ensure the operating envi ronment me ets the site requirement s in the followi ng table. Character istics Requiremen ts Mountin g • Desktop inst allations - Provi de a f l at t able or shelf surface.
21 GS748T Gigabit Smart Switch Step 2: Install the S witch The GS748T can be used on a flat surface or mounted in a st andard network equipment rack. Install the S witch on a Flat Surfa ce The switch shi ps wit h four self -adhesive rubber footpads. S t ick on e rubber foot pad on each of the four conca ve spaces on the bottom of the switch.
22 GS748T Gigabit Smart Switch Step 3: Check t he Installation Before ap plying power to the switch, p erform the followin g steps : • Inspect th e equipment thoroughly . • V erify that all cables are installed corre ctly . • Check cable routing t o make sure cables are not damaged or creating a safet y hazard.
23 GS748T Gigabit Smart Switch Step 4: Connect Devi ces to the Switch The following pr ocedure describes how to conn ect computers to the switch’ s RJ-45 port s. The GS748T co ntains Auto Uplin k technolog y , which all ows the att aching of dev ices using either stra ight-through or cr ossover cables.
24 GS748T Gigabit Smart Switch Step 5: Install an SFP T ransceiver Mo dule The followi ng procedure descr ibes how to inst all an optiona l SFP transceiver module into one of the SFP ports of t he switch. Not e: Conta c t your NETGEAR sales offi ce to buy thes e modules.
25 GS748T Gigabit Smart Switch Step 6: Apply A C P ower The GS748T Gigabit Smart Switch does not have an ON/OFF switch. Powe r must be controll ed by the power cord connection. Before connecti ng the power cord, select an AC outlet that is not contro lled by a wall switch, which can t urn of f power to the switch.
26 GS748T Gigabit Smart Switch Step 7: M anage the Switch usi ng a W eb Browser or the Smart Control Center The GS748T contai ns software for viewing, changin g, and monitoring the way it wo rks. This management sof tware is not required f or the switch t o work.
27 A A. T r oubl es hoot ing This chapte r prov ides info rmation about troubles hooting the NETGEAR Smart Switch. T opics include the foll owing: • T roubleshooting Chart • Additional T roublesho.
28 GS748T Gigabit Smart Switch T roubleshooting Chart The following table lists symptoms, causes, and solut ions of possi ble problems. Symptom Ca use Solu tion Power LED is off. No power i s receiv ed. Chec k the pow er cord c onnectio ns and the connec ted devic e.
29 GS748T Gigabit Smart Switch Additional T roublesho oting Suggestions If the suggesti ons in T roubleshooting Chart do not resolve the problem, refer to the troubleshoot ing suggestio ns in thi s section.
30 GS748T Gigabit Smart Switch.
31 B B. T e ch n ica l Sp e cific at io ns Network P rotocol and Standards Compatibility IEEE 802.3 10BASE-T IEEE 802.3u 100BASE-TX IEEE 802.3ab 1000BASE-T IEEE 802.3z 1000BASE-X IEEE 802.3az ( Energy Ef ficient Eth ernet) IEEE 802.3x full-dupl ex flow control Management Windows 2000 + XP , V ist a; Windows 7, Microsof t Explor er 7.
32 GS748T Gigabit Smart Switch S tatic LAGs Broadcast S torm Recovery RMON 1,2,3,9 S tati c L2 Multicast Fi ltering V oice VLAN Protected Por ts DHCP Filtering Cable T est Syslog (RFC 316 4) Persisten.
33 GS748T Gigabit Smart Switch S tandard L2 MIB s su pport User ID con f igura tion Authenticat ion logi n list s IPv4 and I Pv6 DiffServ MAC, IPv4 and IPv6 ACL Dual Image Suppo rt Interface 48 RJ-45 .
34 GS748T Gigabit Smart Switch S torage temperature: –20°C to 70°C (–4° F to 158°F) S torage humidity: 5% to 95% maximum relat ive humidity , noncondensing Electromagnetic Emis sions CE Class .
35 C C. No tif i cati on o f Com pli ance NET GEAR Wir ed Pr oducts Regulatory Comp liance Informati on This secti on includes user requirement s for op erating t his product in accordance with National laws f or usage of radio s pectrum and oper ation of radio devic es.
GS748T Gigabit Smart Switch 36 • This device must ac cept any interference recei ved, inclu ding interference th at may cause undesired oper ation. FCC Radio Frequency Interference W ar nings & .
37 Inde x Nume rics 1U 7 8-pin 12 A Applying A C Pow er 25 Auto Uplink 12 Auto-neg otiating 7 Autosensing 12 B Backpressure 7 C Category 5 U nshiel ded T wisted-Pai r 6 Checki ng the Instal lation 22 .
38 GS748T Gigabit Smart Switch System LED s 11 T tech nical s upport 2 T emper ature 20 trade marks 2 Traffic Co nt rol 6 T roublesho oting Chart 28 U User Inte rvention 12 User’s Manu al 8 UTP 23 V.
デバイスNETGEAR GS748Tの購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
NETGEAR GS748Tをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはNETGEAR GS748Tの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。NETGEAR GS748Tの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。NETGEAR GS748Tで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
NETGEAR GS748Tを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はNETGEAR GS748Tの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、NETGEAR GS748Tに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちNETGEAR GS748Tデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。