3-8
Cisco CGS 2520 Hardware Installation Guide
OL-31444-01
Chapter 3 Power Supply Installation
Power Supply Module Installation
Figure 3-9
Opening the Power-Input Terminal Cover
The terminal screws labels are on the power-input terminal cover (see
Figure 3-10
).
Figure 3-10
Power-Input Terminal
Cisco CGS 2520
207426
100-240V
~, 50-60Hz, 2A
100-240V
~, 50-60Hz, 2A
5
2A
2A
10A
10A
5
1
Line connection for high-voltage AC (PSU1)
8
Line connection for high-voltage AC (for
PSU2)
2
Neutral connection for high-voltage AC
(PSU1)
9
Neutral connection for high-voltage AC
(PSU2)
3
Positive connection for high-voltage DC
(PSU1)
10
Positive connection for high-voltage DC
(PSU2)
4
Negative connection for high-voltage DC
(PSU1)
11
Negative connection for high-voltage DC
(PSU2)
5
PSU1 (power supply module 1)
12
PSU2 (power supply module 2)
6
Positive connection for low-voltage DC
(PSU1)
13
Positive connection for low-voltage DC
(PSU2)
7
Negative connection for low-voltage DC
(PSU1)
14
Negative connection for low-voltage DC
(PSU2)