Comtech EF Data RCS10 - Manual (Page 75)

Operation RCS10 Redundant Communication System
Page 3-28 TM058 - Rev. 2.3
perform the following:
- Press 'TEST' button that is grouped with 'MODEM' functions.
- Press 'NEXT' soft key until you arrive at the 'INJECT MOD + DMOD SUMMARY FAULT'
display.
You can inject Mod and/or Demod faults to cause dependent or independent switching (depending
on setup).
You can select different modems from this menu by using the 'MODULE SELECT' button.