Nortel Networks 241-5101-200, 8250 manual Securing the cables to the rack

Chapter 3 Installing the Passport 8250 device 35

The central contact is designated as the chassis ground.

Centre contact of the power input connector is designated for the product earth.

4Connect the -48v power supply cable with the male 3W3-D connector to the female 3W3-D connector.

Tighten the screws on the 3W3-D connector and verify that the connector is secured to chassis of power supply.

5Repeat steps 1 to 4 for the other power supply module.

6Connect the power supply modules with the recommended wiring harness to the branch circuit of the power distribution system.

7Configure the electrical branch circuit providing power to the Passport as follows:

•A double-pole disconnect switch which isolates both the power feed and return conductors. A separate switch shall be provided for each separate power feed to the equipment.

•The branch circuit protection shall be located in the ungrounded conductor and be rated at no larger than 30A.

•The equipment protective grounding conductor shall be permanently connected to the protective earthing conductor in the building electrical distribution system.

8Connect to the power unit with the recommended wiring harness to the branch circuit of the power distribution system.

9Apply branch circuit power.

Securing the cables to the rack

Do not block air vents, field-replaceable modules, and LEDs with cables when connecting the cables to the ports.

Passport 8250 Installation Guide R2.2