3ComメーカーAP2750の使用説明書/サービス説明書
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Quick Start Guide AP2750 Managed Access Point 3CRWX275075A The 3Com AP2750 Managed Access Point provides IEEE 802.11a or 802 .11b/g wireless access to the network. The access point is designed for us e with a 3Com W ireless LAN Switch, and r equires hardware installation only .
2 3Com AP2750 Managed Access Point Featur es Feature Description Power Port The access point can be powe red either via Power Over Ethernet (PoE), or by an external power supply (not included) that is plugged into the Power Port. Serial Port The serial port is not su pported.
3 Observing Safety Pr ecautions This equipment must be installed in compliance with local and national bui lding codes, regulatory restrictions, and FCC rules. For th e safety of people and equipment, only professional ne twork personnel should install the access point.
4 3 Attaching the Antennas Carefully unpack the standard deta chable antennas. Screw the antenna s on to the antenna connectors on the access point and hand-tighten them. After network star tup, you may need to adjust the ant ennas to fine-tune coverage in your area.
5 The figures below show the m ounting bracket be ing mounted to a wall, and then a cable being routed thr ough the large opening on the back of the mounting bracket. 4 Connect the Ether net cable (and p ower cable, if applicable) to the port(s) on the front of the access point.
6 T abletop Mounting T o install the access point on a flat surface such as a ta ble or desktop: 1 Remove the backing from the four rubber feet and attach th em on the bottom of the mounting bracket that is attached to the access point. 2 Place the access point on the table.
7 6 Checking th e LED Indicato rs When the access point is connected to power , LEDs indicate activity as foll ows (solid LED indicates connection; blinking LE D indicates activity): T r oubleshooting Refer to the Mobili ty System C onfiguration G uide or to the 3Com W ireless LAN Switch Reference Manual to obtain the access point status.
8 Regulatory Information The 3Com AP275 0 Managed Access Point (3CR WX275075A ) must be insta lled and used in strict accordance with the manufacturer's in struction s as describe d in the user doc umentati on that comes wit h the product. This device compli es with the fol lowing radi o frequency and sa fety standards.
9 • Increase the dist ance betwee n the equipment and the receiver • Connect the eq uipment to ou tlet on a circuit different from that to which the receiver is connected • Consult the d ealer o.
10 CANADA - INDUSTRY CANADA (IC) This devi ce complies with R SS 210 of Industry Canada. Operation i s subject to the fol lowing two conditions : (1) thi s device may not caus e interference, and (2) t his device must ac cept any int erference, incl uding inter ference that may caus e undesired operat ion of thi s device.
11 EUROPE - EU DECLARA TION OF CONFO RMITY Marking by the above symbol in dicates compl iance with th e Essential Req uirements and other relevant prov isions of the R& TTE Dire ctive of the Eur o pean Union (1 999/5/EC).
12 A copy of the sig ned Declarat ion of Confor mity can be downl oaded from the Product Suppo rt web page for the A P2750 (3CR WX275075A) at http: //www .
13 EUROPE - RESTRICTIONS FOR USE OF 2.4G HZ FREQUENCIES IN EUROPEAN COMMUNITY COUNTRIES This devi ce may be operated indoors or outdoo rs in a ll coun tries of the European C ommunity u sing th e 2.4GHz band: Ch annels 1 - 13 , except where noted below .
14 • The 5GHz radio' s AutoChan nelSelect/ SmartSel ect setting described in the user guide must always remain enabled to ens ure that automatic 5GHz channel se lection compl ies with European requirements. The current set ting for th is feature is fo und in the 5GHz Radio Confi guration W indo w as describe d in the user guide.
15 REDUCE POWER TO 25% AND RECHE CK LINK RA TE: 5 Repeat steps 3 and 4 using a "T ransmit Power" of Quarter (-6dB) and check if majority of station link rates are decr eased fr om 54Mbps. If the link rates using the -6dB setting ar e now: • lower than the maximu m possible values, the -6dB power reducti on is not necessary .
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デバイス3Com AP2750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:
3Com AP2750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3Com AP2750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。3Com AP2750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。3Com AP2750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。
3Com AP2750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3Com AP2750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、3Com AP2750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3Com AP2750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。