Lucent Technologies R8r Remove Circuit Packs from Module Control Carrier A, Remove Module Control Carrier A

DEFINITY Enterprise Communications Server Release 8.2
Upgrades and Additions for R8r
555-233-115 Issue 1 April 2000
Multicarrier G2 Universal Module to R8r EPN
5-47High Reliability
5
Disconnect Cables
1. With the cable retainer in front of you and the p art number visible (4B or
4C), locate the slot that is almost vertical . This slot is adjacent to the part
number. Insert a #2 flat blad e screwdriver into the slot and twist. The
retainer will snap open easily. Remove the cable.
2. Disconnect the cab les associated with the ca rrier to be removed.
3. Remove the rear doors from the cabinet.
4. Remove all of the rear panels. Two different types of screws hold the
panels to the cabinet. Remove the #10 sc rews with a screwdriver or a
1/4-inch socket. Remove the #12 screws with a sc rewdriver or a 5/16-inch
socket.)
Remove Circuit Packs from Module Control
Carrier A
1. To ensure that power units in the “A” carrier are prop erly replaced, lab el
each power unit with its slot numb er.
2. Disconnect the power c ords from the power units in the “ A” carrier.
3. Remove all circuit packs and power units from carrier “ A.” Store the circuit
packs in the static-p roof packaging .
4. Remove the circuit pack b lanks from the empty slots.
5. Remove the front trim plate from the “A” c arrier by pulling it straig ht off.
Remove CURL from Module Control Carrier A
Remove the CFY1 current limiter (CURL) from the pin-field block marked “CURL”
on the “A” carrier. The CURL will be reused in the Release 8 EPN.
NOTE:
Verify that the CURL meets the minimum usable vintage requirements.
Remove Module Control Carrier A
NOTE:
Note the position of each TDM/LAN cab les before disconnec ting.
1. Disconnect both TDM/LAN cab les from the “A” ca rrier. See Figure 5-10.
Leave the other end connec ted to the “C” c arrier.
!CAUTION:
When removing the TDM/LAN cables from a previously up graded
carrier, be careful that none of the shor t pieces of shrink tubing come
off the 4 corner pins of the p in-field block. Otherwise , when the new
equipment is connec ted, -48 volts could short to ground.