3com 4050 Manual De Usuario
GBIC Operation
29
To access the latest list of approved GBIC transceivers for the Switch on
the 3Com Corporation World Wide Web site, enter this URL into your
internet browser:
the 3Com Corporation World Wide Web site, enter this URL into your
internet browser:
http://www.3com.com
The URL is case sensitive.
Inserting a GBIC
Transceiver
To be recognised as valid, the GBIC transceiver must have the following
characteristics:
characteristics:
■
1000BASE-SX, 1000BASE-LX or 1000BASE-LH70 media type:
■
1000BASE-SX GBIC transceiver
Use this transceiver to connect the Switch directly to a multimode
fiber-optic cable.
fiber-optic cable.
■
1000BASE-LX GBIC transceiver
Use this transceiver to connect the Switch directly to a single-mode
fiber-optic cable or to multimode fiber using a conditioned launch
cable.
fiber-optic cable or to multimode fiber using a conditioned launch
cable.
■
1000BASE-LH70 GBIC transceiver
Use this transceiver to connect the Switch directly to a single-mode
fiber-optic cable or to multimode fiber using a conditioned launch
cable.
fiber-optic cable or to multimode fiber using a conditioned launch
cable.
■
Fiber SC connector
■
Type 4 GBIC with internal EEPROM fitted.
If the GBIC transceiver is faulty, it will not operate within the Switch. See
Use of non-3Com GBICs is not recommended. If the GBIC transceiver is
invalid it will not be recognised by the Switch.
invalid it will not be recognised by the Switch.
Use the following sequence of steps to activate the GBIC ports:
1 Orient the transceiver so that the fiber-optic duplex subscriber connecter
(SC) is toward you, as shown in
.
2 Gently slide the transceiver into the GBIC port until it clicks into place.