Install A Replacement Converter - Comtech EF Data UT-4579 Installation And Operation Manual

UT-4579 X-Band Up Converter
Appendix B
B.4.2

Install a Replacement Converter

To install a replacement converter into your redundancy system, do these steps:
1. With the replacement unit on the bench, turn ON the unit power.
2. Configure the new unit for the correct redundancy settings:
a. Set Redundant Mode = ON;
b. Set the Address (Chain Position) to match the faulted unit;
c. Set the correct frequency and attenuation.
3. Turn OFF the replacement unit power and disconnect the power cord.
4. Remove the existing module (IOM, RSM, TSM, etc.) from the new unit.
5. Carefully install the new unit into the rack.
6. Plug the existing TSM in the rack into the replacement unit, and finger-
tighten the module thumbscrews.
7. Plug the power cord back into the replacement unit, and turn the power
ON.
8. Un-force the backup.
B–7
MN/UT4579.IOM
Revision 1