Preparing the Dial Shelf for Rack-Mount
Cisco AS5800 Universal Access Server Hardware Installation Guide2-8
Removing the DC Power-Entry Modules
To remove the DC PEMs, complete the following steps:
Step1 Using a 1/4-inch flat-blade screwdriver , lo osen the capti ve scre ws on th e PEM front pa nel.
Step2 Grasp the handle and carefully pull the PEM from the backplane connectors using a
gentle rocking motion; then remove the PEM from the DC power supply chassis. (See
Figure2-4.)
Figure2-4 Removing and Replacing a PEM
Step3 Repeat Step 1 and Step 2 for the other PEM.
This completes the PEM removal pr ocess. Proceed to Removing Dial Shelf Cards and Dial Shelf
Controller Cards.
LEDs
48V48V
RTN
CNCNO
POWER
MISWIRE
CNCNO
POWER
MISWIRE
48V48V
RTN
H11077
DC-input power
terminal block
Captive
screw
Captive
screw
Bell alarm
terminal block
Filter module
PEM