Connecting Power To The Ptx5000 60-A Dc Input Power Trays - Juniper PTX5000 Hardware Manual

6. Route the power cables through the comb assembly. Ensure that you route each row of cables from
the PDU through the corresponding row of the comb (see
Figure 125: Installing Comb Assembly Without Extension

Connecting Power to the PTX5000 60-A DC Input Power Trays

To connect the DC source power cables to the 60-A DC inputs:
1. Verify that a properly rated customer-site circuit breaker for each DC power cable has been
installed. See "PTX5000 DC Power Electrical Safety Guidelines" on page 695
Packet Transport Router Hardware Guide
2. Switch off the customer-site circuit breakers. Ensure that the voltage across the DC power source
cable leads is 0 V and that there is no chance that the cable leads might become active during
installation.
3. Verify that a licensed electrician has attached appropriate cable lugs to the DC power cables. See
"PTX5000 DC Power Cable and Lugs Specifications" on page 111
Router Hardware Guide
4. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to
one of the ESD points on the chassis.
5. Switch the input power switches on the PDU faceplate to the off (O) position.
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PTX5000 Packet Transport
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PTX5000