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DC Power Source Cabling for the MX960 Router

 

Figure 1 shows a typical DC source cabling arrangement.

Figure 1: Typical DC Source Cabling to the Router
Typical DC Source Cabling
to the Router

The DC power supplies in slots PEM0 and PEM1 must be powered by dedicated power feeds derived from feed A, and the DC power supplies in slots PEM2 and PEM3 must be powered by dedicated power feeds derived from feed B. This configuration provides the commonly deployed A/B feed redundancy for the system.

Caution

You must ensure that power connections maintain the proper polarity. The power source cables might be labeled (+) and (–) to indicate their polarity. There is no standard color coding for DC power cables. The color coding used by the external DC power source at your site determines the color coding for the leads on the power cables that attach to the terminal studs on each power supply.

Warning

For field-wiring connections, use copper conductors only.

Caution

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