3Com Baseline 3C16490 инструкция обслуживания

The 3Com ® Baseline Switch 2226-PWR Plus is a versatile, easy-to-use 10/100 layer 2 switch with full Power over Ethernet (PoE) capabilities. It is ideal for small-to-mediu m businesses that want to:  Simplify converge nce of data, voice, and wi reless networks today , using existing wiri ng infrastructure.  Prepar e their networks for futu r[...]

The numbers in this diagram refe r to numbere d sections i n the text. Front Panel 1 24 RJ-45 10/100 Ports WARNING: These are shielded RJ-45 data sockets. They cannot be used as standard traditio nal telephone sockets, or to connect the unit to a traditional PBX o r public telephone network. Only RJ-4 5 data connectors, network telephony systems, o[...]

priority-encoded, the Switch reads the priority level and determines whether the packet should be directed through the normal or high priority chann el. This feature is useful, for example, during periods of ex cessive network load, when one type of traffic may requir e priority over another . The Switch is configured to comply with 802.1p, VLAN ta[...]

If the unit is to be part of a fr ee-standing stack, apply the pads to each marked corner area on the und erside of the unit. Place the unit on top of the l ower unit, ensuring that the pads lo cate with the recesses of the lower unit. Rear Panel 8 Recovery Button This button has no function on this Switch. 9 Power Supply The Baseline Switch 2226-P[...]

Checking the Package Contents The Baseline Switch 2226-PWR Plus package includes the following items:  One Baseline Switch 2226-PWR Plus unit  One power cord  Four standard height, self-adhesive rubber pads  One mounting kit  One CD-ROM, which contains this Quick Start Guide , the 3Com Discovery application, a nd 3CServer (3Com TF TP[...]

Inserting an SFP T ransceiver T o be recognized as valid, the SFP transceiver must have the following characteristics:  1000BASE-SX or 1000BASE-LX media typ e: ■ 1000BASE-SX SFP transceiver – Use this transceiver to connect the Switch directly to a multimode fib er -optic cable. ■ 1000BASE-LX SFP transceiv er – Use this transceiver to co[...]

100BASE-TX or 1000BASE-T . 3Com recommends using 2Category 5e cables for 1000BASE-T operati on. An SFP transceiver is co nnected, bu t the Module Active LED for the port is off V erify that:  The fiber cable is in good con dition.  The SFP transceiver is correctly inserted.  A 3Com SFP transceiver is being u sed. Refer to “Approved SFP T[...]

WARNING: Use of controls or adju stments of pe rformance or procedure s other than those sp ecified herein ma y result in hazardou s laser emissi ons. V euillez lire à fond l'information de la sécurité suivante avant d'installer le Baseline Switch 2226-PWR Pl us. A VER TISSEMENT : L ’inst allation et la dépose de ce gro upe doivent [...]

Related Standards The Baseline Switch 2226-PWR Plus has been designed to the following standards: Envir onmental Physical Electrical Power can also be provided by the Swi tch through any of its 24 Ethernet ports based on the IEEE 802.3af Power over Ethernet (PoE) specifications. For PoE to work, the receiving device must be PoE-compliant. FCC State[...]

© 3Com T echnologies, 2004. All rights reserved. No part of t his documentation may be repro duced in any form or by any me ans or used to make any derivative work (such as translation, trans formation, or adaptation) without permission fr om 3Com T echnologies. 3Com T echnologies r eserves the right to revise this documen tation and to make chang[...]

The Baseline Switch 2226-PWR Plus is part of the extensive Baseline range of 3Com product s. This range includes hubs, swit ches, power sys tems and other networking equipment, and is continually being developed. Contact your supplier for the latest product inf ormation and to ord er these produ cts. Product Registration Y ou can now register your [...]