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Adding, Removing, or Replacing a DC-Input Power Supply
Cisco 12008 Gigabit Switch Router Installation and Configuration Guide
7-28
Figure 7-9
Connecting Leads to the Circuit Breaker Alarm Terminal Block
Step 15
Reinstall the plastic safety shield (see Figure 7-7) on the power supply faceplate
by taking the following actions:
(a)
Seat the shield over the standoffs on the power supply faceplate.
(b)
Move the shield to the left and obliquely downward so that it registers
properly on the three standoffs on the power supply faceplate.
(c)
Tighten the knurled thumbscrew on the bottom left standoff to secure the
shield to the power supply faceplate.
Step 16
Remove the tape from the main circuit breaker supplying source power to the
new power supply (see Step 1).
COM
COM
NC
NC
NO
NO
Alarm
terminal
block
48 VDC
1A max
Klaxon
Light
Normally open; if circuit breaker
inside power supply is tripped due
to overcurrent condition, Klaxon
would sound and light would flash
Normal state of
circuit breaker
Equivalent circuit
inside power supply
H7703
Содержание 12008
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Страница 132: ...Using a Site Log Cisco 12008 Gigabit Switch Router Installation and Configuration Guide 2 30 ...