Juniper Networks M10i manual DC Power and Grounding Cable Connections

Appendix C: Power Requirements, Guidelines, and Specifications

cables insert into the field-wiring terminals located on each power supply—the input terminal is labeled -48Vand the return terminal is labeled RTN.

CAUTION: Before router installation begins, a licensed electrician must attach a cable lug to the grounding and power cables that you supply. A cable with an incorrectly attached lug can damage the router (for example, by causing a short circuit).

Figure 57: DC Power and Grounding Cable Connections

For information about the DC power supply, including electrical specifications and a description of components, see “DC Power Supply” on page 21. For instructions on connecting the DC power and grounding cables during initial installation, see “Connecting Power to a DC-Powered Router” on page 63. For instructions on replacing the cables on an operating router, see “Disconnecting and Connecting DC

Power” on page 116.

NOTE: Power cords and cables must not block access to router components or drape where people could trip on them.

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