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GBIC Transceiver Installation Guide
7
■ Unqualified GBIC: MODDEF Value – xx
■ Unqualified GBIC: Transceiver byte(s) error
Meaning
For both of these messages, the value (xx) of this GBIC type is not a
Module Definition 4 GBIC (Serial Identification) as defined by the
Gigabit Interface Converter specification.
Corrective action
Replace this transceiver with a GBIC that is qualified by 3Com.
GBIC Disable Error
If the system detects that the transceiver cannot emit the proper laser
signal, it disables the port, sets the port type to
disabled
, displays a short
description (
GBIC Disable), and captures the error in the event log.
The following message appears in the event log:
Due to excessive TxFault conditions, GBIC Port xx has been
disabled.
Meaning
Excessive Tx Fault conditions indicate a faulty GBIC.
Corrective action
Replace the transceiver. If the problem persists, contact network supplier
or 3Com Technical Support. For contact information, see the Technical
Support appendix in the Getting Started Guide for your system.
“Unapproved GBIC” Error
Supported transceivers are those that 3Com has specifically tested and
qualified for use with 3Com GBIC systems. Pretesting at 3Com ensures
proper functionality, compatibility, and regulatory compliance with the
system.
If the system detects a transceiver that 3Com does not support, it sets the
port type to
Unqualified GBIC, displays a short description,
(
Unappr.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.
The following informational message is shown in the event log:
Unqualified GBIC: Unqualified vendor part number
Corrective action
Although this report does not necessarily indicate that the GBIC
transceiver will not function properly with the system, it does indicate
that 3Com has not qualified the transceiver and does not support it.