User's Manual

EX7100 Technical Manual - Module Descriptions
©1999 Exicom Technologies (1996) Ltd 7-63 Issue 3 - May 2001
7.12.3 Alignment
The Front Panel module requires no alignment and has no user adjustments.
7.12.4 Module Replacement Procedure
Isolate the EX7100 Terminal from the incoming DC supply by removing the DC input
wires from the rear panel terminal block.
1. Remove the six screws that hold the Front Panel to the casting then remove the top
cover as per Section 6.1. Keep all screws in a safe place.
2. Disconnect the Front Panel’s ribbon connector from PL8 on the Modem/Controller
module.
3. Remove the four countersunk M4 screws that hold the Front Panel module into the
casting. Install the new Front Panel module into the casting. Carefully tighten the
screws
4. Re-connect the Front Panel’s ribbon connector to PL8 on the Modem/Controller
module.
5. Refit the front 19” rack-mounting panel using the six screws removed in 1. above.
6. Inspect the EX7100 terminal to ensure that it is free of any foreign debris. Remove
and clean as required.
7. Replace the top cover, taking care to tighten every screw. No screws should be left
over at the end of the job.
8. Connect the antenna to the terminal. Apply power to the EX7100 rear panel and
switch the terminal on. Check that the new Front Panel operates correctly.
9. Re-install the EX7100 back into its rack and re-connect all necessary power,
signalling and antenna cabling.