3Com CoreBuilder 2500 Getting Started Manual page 92

D-8 A D: FDDI S
PPENDIX TANDARDS
To install the cables into a single mode keyed
transceiver:
Remove the A, B, or S key from the connector
1
housing. See Figure
Top
Figure D-3 Single Mode Connector Housing
Before completing the next step, check to see
whether the transceiver is keyed. If you have
received a special unkeyed transceiver from 3Com,
go to step 3.
Remove the A, B, or M key from the keyed
2
transceiver. See Figure
the front panel on the module.
Remove A, B, or M key
Top
Figure D-4 Single Mode Keyed Transceiver (front view)
D-3.
Remove A, B, or S key
D-4. You may have to remove
Plug the connector into the transceiver by turning
3
the connector upside down so that the slot that
normally accepts the A, B, or M key now accepts
the transceiver's key. See
Key removed
Figure D-5 Installing the Connector into the Transceiver
Figure D-5.
Connector
The connector's slot fits
the transceiver's key
Transceiver