Modular Circuit Card Installation - Paradyne Compshere 3000 Series Installation Manual

COMSPHERE 3000 Series Carrier
Modular Circuit Card
Installation
NOTE
For a DSU with TDM or MCMP,
there are two circuit cards with
two faceplates that are physically
attached. These occupy two slots
in the carrier, but are installed as
one unit.
"
Procedure
1. Using a Phillips screwdriver, loosen the screw
holding the circuit pack lock. For a DSU with
TDM or MCMP, there are two circuit pack locks.
Rotate the lock to the open position and open the
latch(es).
Circuit
Pack
Lock
Closed
(Locked)
Open
(Unlocked)
Latch
6-6
2. At the front of the carrier, hold the circuit card
3. Slide the circuit card into the slot. Align the rear
Circuit
Card
Guides
4. Press the faceplate latch(es) to secure the circuit
5. Rotate the circuit pack lock(s) into the closed
6. If power is applied to the carrier:
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July 1999
vertically with the latch on its faceplate in the
open position. Then, insert the circuit card into the
top and bottom circuit card guides.
connector plate, until the connectors seat firmly
into the back of the carrier.
card into the rear connector plate.
position, and tighten the screw.
— The unit performs a self-test routine.
— After several seconds, the circuit card
completes its power-up self-test in which all
LEDs light.
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3000-A2-GA31-D0