Nortel Networks 5399 User Manual
B-5
Appendix B
Modem Upgrade Instructions
Nortel Networks 5399 Access Switch Hardware Installation Guide
Removing Modem Cards
Occasionally it may be necessary to remove modem cards from the
Remote Access Concentrator module (for example, if a modem card fails
and needs to be replaced). On the Remote Access Concentrator module,
there are two locations that can accommodate modem cards (up to 62
modems total).
Remote Access Concentrator module (for example, if a modem card fails
and needs to be replaced). On the Remote Access Concentrator module,
there are two locations that can accommodate modem cards (up to 62
modems total).
The following instructions detail how to remove a modem card from the
Remote Access Concentrator.
Remote Access Concentrator.
illustrates the instructions.
1.
Locate the modem card that you want to remove.
2.
Remove the two screws that secure the modem card to the
module.
module.
3.
Push in the locking detent on the nylon standoff that secures
a corner of the modem card to the module, and gently work
that corner of the card off the nylon standoff (see
a corner of the modem card to the module, and gently work
that corner of the card off the nylon standoff (see
).
4.
Repeat the procedure for the other corner of the modem
card that is secured by a nylon standoff.
card that is secured by a nylon standoff.
5.
Lift the modem card straight out of its connector, making
sure not to damage any pins.
sure not to damage any pins.