Cisco Systems 11000 Series manual To connect the CSS 11150 DC power supply to a power source, 2-28

Chapter 2 Cabling the CSS

Connecting Power Cords

Warning Before performing the DC installation procedure, ensure that power is removed from the DC circuit. To ensure that all power is off, locate the circuit breaker that services the DC circuit and switch it off.

To connect the CSS 11150 DC power supply to a power source:

1.Locate the DC terminal block on the front of the chassis as shown in Figure 2-18.

Figure 2-18 Location of CSS 11150 DC Power Supply Connectors

.35"

(9mm)

Terminal block	DC -48 input
	7.9A Max.
	300W Max.

+ –

49591

2.Using a flat-head screwdriver, loosen the captive screws on the three DC

connectors (labeled from left to right, +, –, and , respectively).

Warning Before installing a wire, ensure that the polarity of the DC connections is correct. Reversed polarity causes damage to the DC power supply and can create a dangerous shock hazard.

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