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Cisco Systems ME 3400 manual

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Table of contents for the manual

  • Page 1

    C-1 Cisco ME 3400 Ethernet Access Switch Hardware Installation Guide OL-7677-02 APPENDIX C Connecting to DC Power T o connect the Cisco ME switch to a DC-input power source, follo w these steps: 1. Preparing for Installation, page C-1 2. Grounding the Switch, page C-2 3. W iring the DC-Input Power Source, page C-5 Warning This unit is intended for [...]

  • Page 2

    C-2 Cisco ME 3400 Ethernet Access Switch Hardware Installation Guide OL-7677-02 Appendix C Connecting to DC Power Grounding the Switch • 6-gauge copper ground wire (insulated or noninsulated). • Four leads of copper wire. The DC terminal block ( Figure C-11 ) 12-28 A WG copper wire. Note W e recommend that you use 18 A WG copper wiring for Netw[...]

  • Page 3

    C-3 Cisco ME 3400 Ethernet Access Switch Hardware Installation Guide OL-7677-02 Appendix C Connecting to DC Power Grounding the Switch Step 4 Using a Panduit crimping tool, crimp the ground lug to the 6-gauge wire. Figur e C-2 Cr imping the Ground Lug Step 5 Use the two number -10-32 screws to attach the ground lug and wire assembly to the rear pan[...]

  • Page 4

    C-4 Cisco ME 3400 Ethernet Access Switch Hardware Installation Guide OL-7677-02 Appendix C Connecting to DC Power Grounding the Switch Connecting the Grounding Wire to Earth Ground Next you must connect the other end of the grounding wire to an appropriate grounding point at your site or to the telco rack. Y ou can connect the grounding wire to eit[...]

  • Page 5

    C-5 Cisco ME 3400 Ethernet Access Switch Hardware Installation Guide OL-7677-02 Appendix C Connecting to DC Power Wiring the DC-Input Power Source Complete these steps: Step 1 Remov e all paint or oxidation from the rack at the point of the grounding connection. Step 2 Use a 3/16-inch f lat-head screwdriv er to loosen the grounding screw on the rac[...]

  • Page 6

    C-6 Cisco ME 3400 Ethernet Access Switch Hardware Installation Guide OL-7677-02 Appendix C Connecting to DC Power Wiring the DC-Input Power Source Caution The Cisco ME-3400G-12CS-DC switch has two DC po wer supplies. They are labelled PS1 and PS2, and each power supply has an A and B input. When connecting po wer to both PS 1 and PS 2, connect only[...]

  • Page 7

    C-7 Cisco ME 3400 Ethernet Access Switch Hardware Installation Guide OL-7677-02 Appendix C Connecting to DC Power Wiring the DC-Input Power Source Step 4 Using an 18-gauge wire-stripping tool, strip each of the four wires coming from the DC-input power source to 0.27 inch (6.6 mm) 0.02 inch (0.5 mm). Do not strip more than 0.29 inch (7.4 mm) of ins[...]

  • Page 8

    C-8 Cisco ME 3400 Ethernet Access Switch Hardware Installation Guide OL-7677-02 Appendix C Connecting to DC Power Wiring the DC-Input Power Source Figur e C-1 0 T orquing the T er minal-Block Captiv e Screws Step 7 Repeat Steps 4 and 5 for the remaining three DC-input power source wires. Figure C-11 shows the completed wiring of a terminal block pl[...]

  • Page 9

    C-9 Cisco ME 3400 Ethernet Access Switch Hardware Installation Guide OL-7677-02 Appendix C Connecting to DC Power Wiring the DC-Input Power Source Caution Secure the wires coming in from the terminal block so that they cannot be disturbed by casual contact. For e xample, use tie wraps to secure the wires to the rack. Figur e C-12 Inserting the T er[...]

  • Page 10

    C-10 Cisco ME 3400 Ethernet Access Switch Hardware Installation Guide OL-7677-02 Appendix C Connecting to DC Power Wiring the DC-Input Power Source[...]