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S12700 Series Agile Switches Hardware Description

This document describes hardware components of the S12700, including the cabinet, chassis, power supply facilities, fan modules, cards, cables, and pluggable modules for interfaces. You can find useful information about S12700 hardware components from this document.
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DC Power Cable

DC Power Cable

Connectors and power capacity of a power cable must match the device on which the cable is used. Therefore, a device must use the power cables delivered with it.

Types of DC Power Cables

Select DC power cables according to situations of the power supply system in your equipment room. The lengths and terminal types of DC power cables used between power distribution boxes and power distribution frames are determined by the site survey results. A DC power module must use DC power cables with a quick-connect terminal, which are delivered with the DC power module.

DC power cables between power distribution boxes and power distribution frames include -48 V power cables and RTN ground cables. The lengths and terminal types of the DC power cables depend on site survey results.

A DC power module uses a pair of DC power modules: a -48 V power cable and an RTN ground cable combined with a quick-connect terminal, as shown in Figure 8-1.

Figure 8-1  DC power cables with a quick-connect terminal
1. Quick-connect terminal 2. Cable tie 3. Cord end terminal

Connection

The cord end terminals of the -48 V power cable and an RTN ground cable connect to a power distribution box or power distribution frame, and the quick-connect terminal is connected to a 2200 W DC power module.

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Updated: 2019-06-21

Document ID: EDOC1000047496

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