GBIC Transceiver Installation Guide | 5 |
CAUTION: GBICs are keyed and can be inserted only one way. If the GBIC does not click when you insert it, remove the GBIC, turn it over, and reinsert it.
Removing the Transceiver
To replace an existing GBIC transceiver, compress the side tabs and gently pull the transceiver out of the port.
Troubleshooting After you insert the GBIC transceiver into the port, the system software Transceivers verifies the transceiver operation. If you should experience problems refer
to the steps and conditions below.
To ensure optimal performance, compatibility, and regulatory compliance, use only GBIC transceivers that 3Com supports. For a list of currently supported GBICs, see this 3Com Web site:
http://www.3com.com/gigabit_ethernet/gbics
No LED Error
Corrective action If the GBIC LED does not light after you insert it into the chassis, remove the GBIC and
If the transceiver is not working properly, the system displays an appropriate error message, as described in the following sections.
“Unqualified GBIC” Error
If the system detects an unqualified GBIC or a problem with the integrity of the GBIC, it sets the port type to Unqualified GBIC, displays a short description (Uqual.GBIC), and captures the error in the event log.
WARNING:
The GBIC in Port xx is NOT approved by 3Com & may violate electromagnetic emission or safety requirements for your country. Refer to 3Com's web page (www.3com.com/gigabit_ethernet/gbics) for our current approved list.
Using a newer version GBIC transceiver (GBIC91, GBIC92, GBIC93, or GBIC97) in a system running older code
http://www.3com.com/gigabit_ethernet/gbics
The event log may show one of the following informational messages:
■Unqualified GBIC: I2C read error
