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Cisco CGS 2520 Hardware Installation Guide
78-19377-02
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
52A2A
10A
10A
5
1Line connection for high-voltage AC (PSU1) 8Line connection for high-voltage AC (for
PSU2)
2Neutral connection for high-voltage AC
(PSU1)
9Neutral connection for high-voltage AC
(PSU2)
3Positive connection for high-voltage DC
(PSU1)
10 Positive connection for high-voltage DC
(PSU2)
4Negative connection for high-voltage DC
(PSU1)
11 Negative connection for high-voltage DC
(PSU2)
5PSU1 (power supply module 1) 12 PSU2 (power supply module 2)
6Positive connection for low-voltage DC
(PSU1)
13 Positive connection for low-voltage DC
(PSU2)
7Negative connection for low-voltage DC
(PSU1)
14 Negative connection for low-voltage DC
(PSU2)