Paradyne 3000 manual Models 3151 and 3161 Circuit Card Installation, Filler Panels

COMSPHERE 3000 Series Carrier

Models 3151 and 3161 Circuit Card Installation

NOTE

Before you install a 3151 CSU or 3161 DSU/CSU circuit card in a carrier, you must first install an Auxiliary Backplane.

To install a 3151 CSU or 3161 DSU/CSU circuit card in the 3000 Series Carrier, with or without the ± 48 Vdc Central Office Power Unit, use the following procedure.

.Procedure

1.Using a Phillips screwdriver, loosen the screw holding the circuit pack lock, rotate the lock to the open position, and open the latch (refer to Figure 3-16).

2.At the front of the carrier, hold the circuit card vertically, with the latch on its faceplate in the open position. Insert the card into the top and bottom card guides of one of the slots numbered 1±16.

3.Slide the card into the slot. The ejector latch lifts up as it engages the metal flange (refer to Figure 3-37).

4.Press the latch up until it clicks into the locked position to secure the circuit card in the carrier, then rotate the circuit pack lock back into the closed position and tighten the screw.

Filler Panels

A filler panel must be ordered and installed for each unfilled slot in the carrier to ensure compliance with safety requirements. This filler panel is a blank faceplate equipped with an abbreviated circuit card, a latch to secure it to the carrier, and a circuit pack lock to prevent it from being removed from the carrier without use of a tool.

To install the filler panel in an empty slot:

.Procedure

1.Using a Phillips screwdriver, loosen the screw holding the circuit pack lock and rotate the lock to the open position (refer to Figure 3-16). Open the latch.

2.Hold the filler panel vertically at the front of the carrier, with the faceplate latch in the open position. Insert the blank circuit card into the top and bottom card guides of the empty slot (Figure 3-37), and tighten the screw.

3-54 December 1994 3000-A2-GA31-80