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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
5-18Standard Reliability
5
Disconnect Cables
1. With the cable retainer in front of you and the part number visible (4B or
4C), locate the slot that is almost vertical. This slot is adjacent to the part
number. Insert a #2 flat blade screwdriver into the slot and twist. The
retainer will snap open easily. Remove the cable.
2. Disconnect the cables associated with the carrier to be removed.
3. Remove the rear doors from the cabinet.
4. Behind a previously upgraded cabinet, remove all of the rear panels. Two
different types of screws hold the back panels to the cabinet. Remove the
#10 screws with a screwdriver or a 1/4-inch socket. Remove the #12
screws with a screwdriver 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 properly replaced, label
each power unit with its slot number.
2. Disconnect the power cords 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-proof packaging.
4. Remove all circuit pack blanks.
5. Remove the front trim plate from the “A” carrier by pulling it straight off.
Remove CURL from Module Control Carrier A
1. Remove the CFY1 current limiter (CURL) from the pin-field block marked
“CURL” on the “A” carrier. The CURL is reused in the Release 8 EPN.
NOTE:
Verify the CURL meets the minimum usable vintage requirements.