Cisco Systems Cisco 12008 Installing a Cisco 12008 3-49

Installing a Cisco 12008 3-49
Connecting Source Power to the Power Supplies
Figure3-20 Connecting Source DC Power Cables to a DC-Input Power Supply
a
b
c
H7707
INPUT
0K
OUTPUT
FAIL
COM
NC
NO
0
TER
MIN
ALS
MA
Y
BE
EN
ER
GIZ
ED.
BER
UHR
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DER
ANS
CHL
USS
E
DEN
HAU
PTS
CHA
LTER
CAUTION
THIS UNIT MAY HAVE MORE THAN ONE
POWER SUPPLY CONNECTION. ALL
CONNECTIONS NEED TO BE REMOVED
TO DE-ENERGIZE THE UNIT.
THIS UNIT TO BE INSTALLED
IN A RESTRICTED ACCESS AREA
IN ACCORDANCE WITH THE NEC OR THE
AUTHORITY HAVING JURISDICTION
Plant
Controls
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AC B
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B a t t e r y p l a n t Ground
window
Central
office
primary
and
secondary
DC
power
distribution
Central
office
ground
CO
GND
CO
GND
Return
48 VDC