Figure 140: Tx Matrix Plus Router Power Supply; Checking The Power Supply Cables - Juniper M Series Monitoring And Troubleshooting Manual

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Documentation

TX Matrix Plus Router Power Supplies

Documentation

Checklist for Monitoring Power Supplies on page 273

The TX Matrix Plus router supports DC power only. The router has two load-sharing DC

power supplies located at the lower rear of the chassis in slots

right). The power supplies connect to the midplane, which distributes the different output

voltages produced by the power supplies to the TX Matrix Plus components, depending

on their voltage requirements.

power supply.

There are no passive fuses in the TX Matrix Plus router that must be replaced.

The TX Matrix Plus router supports the seven-input 420-A power supply.

Figure 140: TX Matrix Plus Router Power Supply

Checklist for Monitoring Power Supplies on page 273

To check the power supply cables and ensure that power is distributed to the router

To check the power supply cables:

Verify that the power cable or power cord from the power source to the router is not

damaged. If the insulation is cracked or broken, immediately replace the cord or cable.

Make sure that the power and ground cables on each DC power supply are arranged

so that they do not obstruct access to the other power supply or to the Routing Engine.

Periodically inspect the site to ensure that the cables connected to the power supply

are securely in place and are properly insulated.

Chapter 10: Monitoring Power Supplies

Figure 140 on page 291

shows the TX Matrix Plus router