Powering Off the Cisco AS5800

Cisco 5814 Dial Shelf Packaging Replacement Instructions C-5

FigureC-4 AC-Input Power Shelf

Step4 Power OFF the central office main circuit breaker.

Caution If you are using the optional AC-input power shelf, you must power off both AC-input

power supplies before you disconnect the DC cables from the DC terminal blocks.

Step5 Loosen the screws in the DC-input power terminal blocks and the alarm terminal blocks

using a 1/4-in. flat-blade screwdriver, an d dis connect power cables and alarm cables to the dial shelf PEMs. FigureC-5 shows the location of the terminal blocks.

FigureC-5 PEM DC Terminal Block

Step6 Disconnect the DC power cables from your DC power source.

The last two steps refer to the optional AC-input power shelf. If you are using a DC power source, you can skip Step7 and Step 8 and proceed to the section Preparing to Repackage the Cisco5814 Dial Shelf.
H11098
AC
1 POWER 2
CB 2
PWR OK
FAULT
TEMP
I LIM
PWR OK
FAULT
TEMP
I LIM
CB 1
Power
switches
Hex nut Red Black
Ground
48V48V
RTN
CNCNO
CNCNO
48V48V
RTN
H11158

48V 48V

RTN

DC terminal block
PEM
BUS
terminal
stud
BUS
+
terminal
stud
Red
Black
Monitor
cable