User's Manual

User’s Manual for Node C Network Elements
Page 90
M0121A1A_uc.doc
• Take off the fan unit and disconnect the connector cable from the cabinet.
figure 6-4 Fan connector cable
• To install the new fan unit, proceed in reverse order. In order not to squeeze
the fan connector cable, take care to position it correctly after its reconnection.
6.2.4 Modem
The optional modem is screwed to a mounting plate which is fastened to the cabinet.
In order to separate the modem from the plate, the mounting plate has to be taken off
first.
• Before starting to remove the
mounting plate, disconnect all
cables.
• Then, unscrew the four tallow-
drop screws M3x6 which fasten
the mounting plate to the
cabinet.
• Take off the plate with the
modem attached. The modem
is fastened from the back to the
plate with two countersunk
head screws M4x10.
• Unscrew these screws and use
them to fasten the new modem
to the mounting plate.
• Fasten the mounting plate
again with the four tallow-drop
screws M3x6 and reconnect all
cables.
figure 6-5 Mounting plate of modem
Disconnecting the fan connector cable Positioning the fan connector cable
Position of modem