Figure c-9 – Cisco 3550 User Manual

Page 71

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C-7

Catalyst 3550 Multilayer Switch Hardware Installation Guide

OL-6155-01

Appendix C DC Power Connections

Connecting to DC Power

Figure C-9

Completed Wiring of Terminal Block Plug

Step 7

Insert the terminal block plug in the terminal block header on the switch rear panel, as shown
in

Figure C-10

.

Caution

Secure the wires coming in from the terminal block so that they cannot be disturbed by casual contact.
For example, use tie wraps to secure the wires to the rack.

Figure C-10 Inserting the Terminal Block in the Block Header

Step 8

Remove the tape from the circuit-breaker switch handle, and move the circuit-breaker handle to the
on position.

Caution

To comply with the intrabuilding lightning surge requirements, intrabuilding wiring must be shielded,
and the shield for the wiring must be grounded at both ends.

Caution

The Catalyst 3550-24-DC switch is suitable only for intrabuilding or nonexposed wiring connections.

60534

Return
Negative
Return
Negative

Feed A

Feed B

CONSOLE

36 - 72V

1 - 0.5A

A

B

65805

Tie wrap

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