Nortel Networks Option 11C Mini manual 168 of 332 Installing the circuit cards

Page 168 of 332 Chapter 12 — Installing the circuit cards

•NTRB21 1.5 Mbit DTI/PRI

•NT6D70 SILC (when used as a clock controller)

Note: The digital trunk cards can be installed only in slots 1-3 of the Main Chassis.

If you want to install digital trunk cards, refer to the following documents for information:

•1.5 Mbit DTI/PRI Guide (553-3011-310)

•2.0 Mbit DTI/PRI Guide (553-3011-315)

•ISDN BRI Administration and Maintenance Guide (553-3011-311)

553-3021-209 Standard 3.00 April 2000