Install The Dc Power Cables - Cisco NCS 540 Hardware Installation Manual
Large density routers
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Also See for NCS 540:
- Installation manual (62 pages) ,
- Prepare for installation (14 pages) ,
- Manual (14 pages)
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Install the DC Power Cables
Install the DC Power Cables
Note
When installing DC power supply, use 12AWG, 90°C temperature rated cable. The recommanded cable length
is three meters maximum from source. For lengths up to five meters, use 10AWG, and for lengths up to three
meters, use 12AWG, 90°C temperature rated cable. For other lengths, contact Cisco.
Note
• Always ensure that the building's installation for short-circuit (overcurrent) protection does not exceed
• We recommend using a circuit breaker or a fast acting fuse with a maximum DC rating of 10A for over
Note
The DC connector or terminal block has an in-built screw and cage nut to which a torque of 1.3 to 1.8 N-m
may be applied.
Figure 20: DC Connector with In built Screw
A
0.97 in. (2.4 cm)
B
0.31 in. (0.78
cm)
M
0.81 in. (2 cm)
To attach the DC power supplies:
1. Locate the terminal block plug.
2. Insert the DC-input power source wires into the terminal block plug.
3. Attach the DC supply wires using the designated screws.
4. Use a ratcheting torque screwdriver to torque the terminal block plug captive screw. (See the following
figure)
Cisco Network Convergence System 540 Large Density Routers Hardware Installation Guide
38
15A.
current protection.
C
0.27 in. (0.68 cm)
D
0.17 in. (0.43 cm)
Install the Device
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