Elastic Networks ELMo 120, Installation And Maintenance Manual

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ELMo 120 Multiplexer installation and testing 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
6 Turn ON the -48 V dc power supply.
7 Using 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.
8 Check and ensure that the toggle switch on the Power card is in the OFF
position.
9 Re-seat the cards into their shelf backplane connectors.
10 Secure the power harness cable in accordance with local office procedures.
STOP
You have completed this task.