Nortel 4000 安装指南
3-4
300275-D Rev. 00
Nautica Modules Installation Guide
4.
The carrier card has orientation pins so that it can only
be fitted one way. As in
be fitted one way. As in
, the small chips on the
top of the modem should be facing the front of the unit.
Figure 3-3.
Nautica Modems on the Base Board
5.
If you are adding modems to an ISDN+ card, first install
the ISDN+ card into the Nautica 4000 (Chapter 4).
the ISDN+ card into the Nautica 4000 (Chapter 4).
6.
The modem is inserted on the two rows of pins in the
centre of the ISDN+ card (
centre of the ISDN+ card (
).
Figure 3-4.
ISDN+ Module Modem Connectors