Nortel SONET AccessNode User Manual page 95

Procedure 6-3 (continued)
Replacing the NT4K1472 BIP LED card
Step
13
14
15
16
17
18
AccessNode Modular Business Package VTBM Ring User Guide P0904244 Issue 1.0
Action
Note: There is a small retaining tab on the inside of the BIP, at the bottom,
just behind the opening, as shown in Figure 6-9. This retaining tab mates with
the notch on the bottom edge of the LED card to hold it securely in place.
Gently move the bottom part of the LED card around until the notch on the
bottom of the card mates with the retaining tab (1.) as shown in Figure 6-9.
Check that it is properly in place in the retaining tab by pressing inward on the
bottom of the card and making sure that the card does not move.
The LED card is properly positioned when the front of the LED card is parallel
to, and just behind, the front of the BIP.
With the card properly seated in the retaining tab, use a slot screwdriver to
tighten the retaining screws (2.) as shown in Figure 6-9.
Reinsert the NT4K64 alarm relay card, ensure that it engages with the BIP
backplane, and fasten the retaining screw.
Test the BIP lamps by pressing the ACO/Lamp test button on the local craft
access panel (LCAP).
All BIP indicators and the LEDs on all shelf circuit packs should light for 30
seconds.
Replace the BIP cover.
—continued—
Replacing modules in a BIP 6-13