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Maintaining the Cisco 12008 7-27
Adding, Removing, or Replacing a DC-Input Power Supply
Figure 7-8
Connecting Source DC Power Cables to the DC-Input Power Supply
a
b
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H7707
INPUT
0K
OUTPUT
FAIL
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BER
UHR
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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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B a t t e r y p l a n t
Ground
window
Central
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primary
and
secondary
DC
power
distribution
Central
office
ground
CO
GND
CO
GND
Return
48 VDC
Summary of Contents for 12008
Page 4: ......
Page 12: ...Cisco 12008 Gigabit Switch Router Installation and Configuration Guide xii ...
Page 102: ...Agency Approvals Cisco 12008 Gigabit Switch Router Installation and Configuration Guide 1 80 ...
Page 132: ...Using a Site Log Cisco 12008 Gigabit Switch Router Installation and Configuration Guide 2 30 ...