Service manual

5
RRP: SBAR Assembly
5-37
Removal and Replacement Procedures (RRPs)
Figure 5-10 SBAR Assembly Removal and Replacement
6. Using the handles, pull the SBAR assembly out of the director
chassis. Support the assembly with one hand.
7. Place the SBAR assembly in an anti-static bag to provide ESD
protection.
Replacement To replace an SBAR assembly:
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 anypins aredamaged, 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
backplanetoengagetheconnectorpins.Verifytheassemblyis
flush and even with the other SBAR assembly in the director.
4. Close both handles.
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.