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ELMo 120 Multiplexer installation and testin

2-9

Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01

Connecting power to the ELMo 120 Multiplexer modem shelf (continued)

Step Action

Turn ON the -48 V dc power supply.

Usin

an appropriate volt-ohm meter, test the power feed at the shelf

backplane connection. Verify that the red power feed at the shelf is the -48 V

dc supply. The meter should read between -46 and -56 V dc.

Check and ensure that the to

le switch on the Power card is in the OFF

position.

Re-seat the cards into their shelf backplane connectors.

Secure the power harness cable in accordance with local office procedures.

STOP

You have completed this task.

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Elastic Networks ELMo 120 Specifiche Pagina 25