Service manual

5
RRP: SBAR Assembly
5-31
Removal and Replacement Procedures (RRPs)
1. Remove the replacement SBAR assembly from its protective
anti-static bag.
2. Inspect the printed wiring assembly (PWA) side of the SBAR
assemblyforbentorbrokenconnectorpinsthatmayhavebeen
damaged duringshipping. If anypinsaredamaged, obtaina new
assembly.
3. Orient the SBAR assembly (Figure 5-10). Insert the assembly into
the director chassis guide, then push the assembly toward the
backplane to engage the connector pins.
4. Tighten the brass Allen screws that secure the SBAR assembly to
the backplane as follows. Tighten the screws alternately to
prevent binding and damage to the connector pins.
a. Insert the tip of the torque tool into either brass Allen screw
(right or left side of the assembly). Turn the screw one or two
turns clockwise. As the screw turns, that side of the assembly
pulls into the backplane connector.
b. InsertthetipofthetorquetoolintotheotherbrassAllen
screw.Turnthescrewoneortwoturnsclockwise.Asthe
screw turns, the alternate side of the assembly pulls into the
backplane connector.
c. Alternately tighten each Allen screw one or two turns until
until you feel the torquetoolreleaseand hear a clicking sound.
d. Verify the assembly is flush and even with the other SBAR
assembly in the director.
5. Disconnect the ESD wrist strap from thedirector chassis and your
wrist.
6. Inspect the assembly to ensure the amber LED is extinguished. If
the amber LED is illuminated, go to Chapter 3, Maintenance
Analysis Procedures (MAPS) to isolate the problem.
7. At the management server or at a web browser connected to the
EFCM Basic Edition interface, inspect the Event Log.Ensurethe
following event codes appear in the log:
— 600 - SBAR card hot-insertion initiated.
— 601 - SBAR card hot-insertion completed.
If an event code 601 does not appear in the log, go to Chapter 3,
MaintenanceAnalysisProcedures(MAPS)to isolate the problem.