126
Replacing Modules
TB9400/TN9275 Installation and Operation
© Tait International Limited
May 2023
9.3
Replacing a Reciter
Removal
1.
If you have not already done so, carry out the instructions in
liminary Disassembly” on page 124
2.
At the rear of the reciter, unplug the RF input cable
b
, any system
cables
c
, and the external reference
d
and 1PPS
e
cables (if
fitted).
3.
At the front of the reciter, unplug the transmit reverse
f
and
transmit forward
g
cables (if fitted), and move both cables to one
side. Unplug both ends of the system control bus cable
h
and
remove it.
4.
Loosen the screw securing the retaining clamp
i
and rotate the
clamp through 90° to clear the module.
5.
Slide the reciter out of the subrack, taking care not to damage any of
the cables.
Refitting
1.
Slide the replacement reciter into the subrack and secure it with the
retaining clamp.
2.
Reconnect all the front and rear panel cables previously
disconnected. Ensure the front panel cables are positioned correctly,
and retained where required by the cable retaining clips in the top of
the subrack (refer to
“Appendix B Inter-Module Connections” on
b
c
d
e
f
g
h
i
