
SUMMARY STEPS
1.
Attach the ESD-preventive wrist strap to your wrist and connect its leash to one of the ESD connection
sockets: on the front (PLIM) side of the chassis there is one ESD connection socket right above the fan
controllers. On the rear (MSC) side of the chassis there are two ESD connection sockets right above the
cable management tray in the center of the chassis (left and right). You can also connect the ESD-preventive
wrist strap leash to any bare metal surface on the chassis.
2.
Hold the alarm module such that the ejector handle is on the lower left front side. See
Alarm Module in Power Shelf, on page 43
.
3.
Slide the alarm module into the bay on the right side of the power shelf. As you slide the module in, hold
the ejector and gently push until it engages the chassis. See
Figure 30: Installing Alarm Module in Power
Shelf, on page 43
.
4.
Continue to push the alarm module gently and rotate alarm module ejector upwards to seat the alarm
module. Be careful not to pinch fingers between the ejector handle and the alarm module. See
Rotating Alarm Module Ejector Upwards to Seat Alarm Module, on page 44
.
5.
Hand tighten the captive screw on the lower right corner of the alarm module.
6.
Use the number 1 Phillips screwdriver to securely fasten captive screw that secures the alarm module to
the power shelf.
DETAILED STEPS
Step 1
Attach the ESD-preventive wrist strap to your wrist and connect its leash to one of the ESD connection sockets: on the
front (PLIM) side of the chassis there is one ESD connection socket right above the fan controllers. On the rear (MSC)
side of the chassis there are two ESD connection sockets right above the cable management tray in the center of the
Cisco CRS Routers 16-Slot Line Card Chassis Enhanced Router Installation Guide
42
Installing Power Components
Installing an Alarm Module