2-12
Cisco CRS Carrier Routing System 4-Slot Line Card Chassis Installation Guide
OL-10971-10
Chapter 2 Installing and Removing Power Components
DC Power Systems on the Cisco CRS 4-Slot Router
Note
Table 2-3
and
Table 2-4
are for reference; we recommend using at least 50 A of DC current and 6-gauge
wire.
Table 2-3
Wire Gauge for Current Loads Over Copper Wire Lengths
DC Current (Amps)
25 Feet
50 Feet
75 Feet
100 Feet
150 Feet
200 Feet
400 Feet
5 A
18 AWG
14 AWG
14 AWG
12 AWG
10 AWG
8 AWG
6 AWG
10 A
14 AWG
12 AWG
10 AWG
8 AWG
8 AWG
6 AWG
2 AWG
15 A
14 AWG
10 AWG
8 AWG
8 AWG
6 AWG
4 AWG
2 AWG
20 A
12 AWG
8 AWG
8 AWG
6 AWG
4 AWG
2 AWG
0 AWG
25 A
12 AWG
8 AWG
6 AWG
4 AWG
4 AWG
2 AWG
0 AWG
30 A
10 AWG
8 AWG
6 AWG
4 AWG
2 AWG
2 AWG
00 AWG
35 A
10 AWG
6 AWG
4 AWG
2 AWG
2 AWG
1 AWG
000 AWG
40 A
8 AWG
6 AWG
2 AWG
2 AWG
2 AWG
0 AWG
000 AWG
45 A
8 AWG
6 AWG
4 AWG
2 AWG
1 AWG
0 AWG
0000 AWG
50 A
8 AWG
4 AWG
4 AWG
2 AWG
1 AWG
00 AWG
N/A
55 A
8 AWG
4 AWG
2 AWG
2 AWG
0 AWG
00 AWG
N/A
60 A
8 AWG
4 AWG
2 AWG
2 AWG
0 AWG
00 AWG
N/A
65 A
6 AWG
4 AWG
2 AWG
1 AWG
0 AWG
000 AWG
N/A
70 A
6 AWG
4 AWG
2 AWG
1 AWG
00 AWG
000 AWG
N/A
75 A
6 AWG
4 AWG
2 AWG
1 AWG
00 AWG
000 AWG
N/A
100 A
4 AWG
2 AWG
1 AWG
00 AWG
000 AWG
N/A
N/A