Cisco Systems CGS 2520 manual PSU2

Chapter 3 Power Supply Installation

Power Supply Module Installation

Figure 3-9 Opening the Power-Input Terminal Cover

Cisco CGS 2520

100-
240V~, 50-
		60Hz, 2A	100-
			240V~, 50-
				60Hz, 2A
	5	2A
			5
				2A
		10A
				10A

207426

The terminal screws labels are on the power-input terminal cover (see Figure 3-10).

Figure 3-10		Power-Input Terminal
1	Line connection for high-voltage AC (PSU1)		8	Line connection for high-voltage AC (for
				PSU2)
2	Neutral connection for high-voltage AC		9	Neutral connection for high-voltage AC
	(PSU1)			(PSU2)
3	Positive connection for high-voltage DC		10	Positive connection for high-voltage DC
	(PSU1)			(PSU2)
4	Negative connection for high-voltage DC		11	Negative connection for high-voltage DC
	(PSU1)			(PSU2)
5	PSU1 (power supply module 1)		12	PSU2 (power supply module 2)
6	Positive connection for low-voltage DC		13	Positive connection for low-voltage DC
	(PSU1)			(PSU2)
7	Negative connection for low-voltage DC		14	Negative connection for low-voltage DC
	(PSU1)			(PSU2)

Cisco CGS 2520 Hardware Installation Guide

3-8 OL-31444-01