2–8
HSG80 Array Controller V8.7 Maintenance and Service Guide
Common Replacement Information and Procedures
Figure 2–4: Location of GLMs inside a controller
CAUTION: ESD can easily damage a controller or GLM. Wear a snug-fitting,
grounded ESD wrist strap.
Removing a GLM
Use the following steps and Figure 2–4 to remove a GLM:
1. Remove the controller using steps in either Chapter 3 or Chapter 4.
2. Remove the screw that secures the access door
1
on top of the controller.
3. Remove the access door and set the door aside.
1
Access door
2
Port 1 GLM
3
Release
lever
4
Locking tab
5
Guide holes
6
GLM
connector
7
Port 2 GLM
CXO6245C
2
3
4
5
6
7
1