ZyXEL CommunicationsメーカーES-105/ES-108の使用説明書/サービス説明書
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ES-105/ES-108 Ethernet Switch User’s Guide December 2002.
2 Interference Statements and Warnings FCC Interference Statement This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. (2) This device must accept any interf erence received, including interference that may cause undesired operations.
3 T aiwanese BCIQ A Warning Certifications Refer to the product page at www.zyxel.com . ZyXEL Limited Warranty ZyXEL warrants to the original end user ( purchaser) that this product is free from any defects in materials or workm anship for a period of up to two (2) years from the date of purchase.
4 Note Repair or replacement, as provided under this warranty, is the exclusive remedy of the purchaser. This warrant y is in lieu of all other warranties, express or im plie d, including any im plied warranty of merchantability or fitness for a particular use or purpose.
5 Getting to Know Your Switch Introduction The switch is a multi-port switch that can be used to build high- performance switched networks. Th e switch is a store-and- forward device that offers low latency fo r high-speed networking. The switch is designed for SOHO (Small Office Home Office) businesses.
6 Hardware Description and Installation The switch is suitable for an offi ce environment where it can be placed on a desktop. Desktop Installation Step 1. Make sure the switch is clean and dry. Step 2. Set the switch on a smooth, le veled and sturdy flat space strong enough to support the weight of the switch and the connected cables.
7 Figure 3 Rear Panel of the ES-1 08 RJ-45 A uto-negotiating P orts Your switch comes with 5 or 8 10Base-T/100Base-TX RJ-45 ports depending on the model of your sw itch. The auto-negotiation feature allows the switch to detect the speed of incoming transmission and adjust appropriately without manua l intervention.
8 Make sure the cable length be tween connections does no t exceed 100 meters (328 feet). Power Port Use the supplied power adapter to connect your switch to a power source. Refer to the label on the power adapter for more inform ation. Front Panel LEDs The LED indicators give real-time in formation about the status of the switch.
9 Table 2 The Front Panel LED Descriptions LED COLOR STATUS DESCRIPTION PWR Green On The switch is o n and receiving pow er. Off The switch is not re ceiving power. LK/ACT Green On The port is connected to an E thernet network. Off The port is not connected to an Ethernet network.
10 Troubleshooting Troubleshoot the switch using the LEDs to detect problem s. Power LED The PWR LED on the front panel does not light up. Table 3 Troubleshootin g Power LED STEPS CORRECTIVE ACTION 1 Check the connections from y our switch to the pow er source.
11 Table 4 Troubleshootin g LK/ACT LED STEPS CORRECTIVE ACTION 3 Verify that proper netw ork cable ty pe is used and its leng th does not exceed 100 me ters. For more inform ation on network cable types, see the Rear Panel E thernet Cable Connections section.
12 Improper Netw ork Cabling and T opolog y Improper network cabling or topolo gy setup is a common cause of poor network performance or even networ k failure.
デバイスZyXEL Communications ES-105/ES-108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：
ZyXEL Communications ES-105/ES-108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ZyXEL Communications ES-105/ES-108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。ZyXEL Communications ES-105/ES-108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。ZyXEL Communications ES-105/ES-108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。
ZyXEL Communications ES-105/ES-108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ZyXEL Communications ES-105/ES-108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、ZyXEL Communications ES-105/ES-108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ZyXEL Communications ES-105/ES-108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。
