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S5700 Series Switches Hardware Description

This document provides an overall description of the S5700 hardware, helping you obtain detailed information about each chassis, card, power module, fan module, cable, and optical module.
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DC Power Cable (OT and Cord End Terminals)

DC Power Cable (OT and Cord End Terminals)

Types of DC Power Cables

DC power cables include a -48 V power return cable and a -48 V power cable. The -48 V power return cable is connected to a terminal marked RTN (+), and the -48 V power cable is connected to a terminal marked NEG (–).

Appearance and Structure

Figure 9-23 and Figure 9-24 show the appearance and structure of the 48 V power return cable and -48 V power cable.

Figure 9-23 Appearance of a -48 V power return cable

Figure 9-24 Appearance of a -48 V power cable

NOTE:
A -48 V power return cable is black and is connected to the RTN(+) terminal of the DC power supply. A -48 V power cable is blue and is connected to the NEG(-) terminal of the DC power supply.

Connection

A DC power cable (with OT and cord end terminals) is connected to a DC power module with OT terminals as follows:

  • The OT terminal is connected to the input port on the DC power module of the device.
  • The cord end terminal is connected to an external power module.
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Updated: 2019-08-19

Document ID: EDOC1000013597

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