Nortel Meridian 1 Hardware Replacement Manual page 224

Page 224 of 250
553-3001-520 Standard 17.00 January 2002
Replacing equipment
You will see ISR043 on the system terminal when the card is disabled. Busy
channels will not be disabled until the call is disconnected.
10 Set the ENB/DIS switch on the 3PE to DIS.
11 Tag and disconnect cables to the 3PE.
12 Unhook the locking devices on the card; pull it out of the card cage.
Installing equipment
1 Set the ENB/DIS switch to DIS on the replacement 3PE card.
2 Set option switches on the replacement card the same as on the card
you removed. If there is a vintage change, be sure to check Circuit
Card: Installation and Testing (553-3001-211) for any differences.
3 Insert the replacement card into the vacated slot and hook the locking
devices.
4 Connect cables to the replacement card.
5 Set the ENB/DIS switch to ENB on the replacement card.
6 Enable cards.
In Options 51C, 61C, 81, and 81C, enable and test the CNI and 3PE
cards:
LD 135
ENL CNI c s p CPU (0 or 1). Slot (8–10), port (0 or 1) for
****
If the LED on the 3PE card turns off, go to Step 7 on page 224. If the LED stays
lit, press the Man Int button to initialize the system.
In Options 51C, 61C,and 81C, if the 3PE card is in the Core/Network, enable
the clock controller card:
LD 60
ENL CC x
****
If there is a problem, a CED or CCED system message is generated and the
red LED lights on the faceplate of the appropriate card.
7 Check to see that all cards were enabled.
Option 81 and slot 12, port 0 for Options 51C,
61C, and 81C.
exit LD 135
exit LD 60