Nortel Networks 5399 사용자 설명서
B-3
Appendix B
Modem Upgrade Instructions
Nortel Networks 5399 Access Switch Hardware Installation Guide
Modem Card Installation Instructions
Observe handling precautions: electrostatic-sensitive devices.
The following instructions describe how to install the modem cards onto
the Remote Access Concentrator module (see
the Remote Access Concentrator module (see
).
1.
Find the locations on the module in which the modem cards
are installed.
are installed.
2.
On the modem cards, find the blank connector position
labeled JP1.
labeled JP1.
3.
Orient the modem card so that JP1 is closest to the rear
edge of the module and carefully press it into the card
connector, making sure not to bend or damage any pins.
Make sure that the connector is fully seated.
edge of the module and carefully press it into the card
connector, making sure not to bend or damage any pins.
Make sure that the connector is fully seated.
4.
Push the corners of the modem card down onto the nylon
standoffs until the locking detents engage.
standoffs until the locking detents engage.
5.
Insert and tighten the two screws to secure the modem card.
6.
Follow the installation instructions detailed in
to
reinstall the upgraded Remote Access Concentrator into the
System 5000 Hub.
System 5000 Hub.