Cisco 7200 VXR router User Manual page 125

Figure 3-20
Power switch
Connecting DC-Input Power
Connect a 280W DC-input power supply as follows:
Note
of the DC power source at your site. Typically, green or green/yellow is used for ground,
black is used for +48V (return), and red or white is used for –48V. Make certain the lead
color coding you choose for the DC-input power supply matches the lead color coding used
at the DC power source.
This product relies on the building's installation for short-circuit (overcurrent) protection.
Ensure that a listed and certified fuse or circuit breaker, 20A minimum 60 VDC, is used on
all current-carrying conductors.
Warning
equipment.
Connecting AC-Input Power
AC power cable
The color coding of the DC-input power supply leads depends on the color coding
Only trained and qualified personnel should be allowed to install or replace this
Connecting DC-Input Power
Hole for nylon
cable tie
Cable-retention
clip
Installing a Cisco 7200 VXR Router 3-31