Nortel DMS 100 Series Maintenance Manual page 274

6-122 RSC-M card replacement procedures
NTRX43
in an RSC-M/MSP
At the rear panel of the cabinet
7
297-8223-550 Standard 04.02 November 2000
(continued)
DANGER
Risk of injury from high energy levels, voltage present
Do not insert metallic objects into the black connectors.
Voltage is present and equipment damage can result.
Remove the NTRX43 circuit card as appears in the following figures.
a Open the rear doors of the cabinet. Locate the back of the card to
replace.
b Note the wire color and the location to facilitate connection.
c Use the connector removal tool to disconnect the power connectors to the
circuit card manually. Work from the bottom of the MSP shelf to the top
of the MSP shelf. Manually disconnect the smaller black power
connectors located below the larger blue power connector. Manually
disconnect the large blue power connector. Disconnect the smaller black
power connectors located above the large blue power connector. Make
sure that you disconnect the black connectors before you remove the
circuit card.
d The connectors have voltage present. The connectors are insulated.
Secure the connectors to the power-connector bundle with a line-tie until
the time comes to connect the connectors again.
e Jumper connectors and cables can be present. Remove and tag these
jumper connectors and cables on the back of the circuit card. Save the
jumper connectors and cables for use on the replacement circuit card.