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HPOD C-, X-, Ku-Band High-Power Outdoor Amplifier MN/HPOD.IOM

Appendix B Revision 8

B–11

B.4.2 Operation

Task Procedure

1 Set both units to “Auto” redundancy mode by sending them RAM=1 command.

Establish the current online status by sending each unit an ONL? query. Note one unit should return

ONL=1 (online), and one unit should return ONL=0 (offline)

3 Fail the unit that reported ONL=1. The switch should throw. Restore the unit

Repeat the ONL? query to both units. The unit that was failed in step 2 should now report ONL=0 and the

other should report ONL=1. Fail this unit and confirm the switch transitions.

5 Put the system in “Manual” mode by sending RAM=0 commands to both units.

The “SSW” command will force the switch to point to the selected unit. For example, an “SSW=1”

command will force the switch to point to SSPA 1 no matter which SSPA the command was issued to.

Ensure either unit can throw the switch in both directions by sending the following commands:

• <1/SSW=1 (the switch may or may not transition)

• <1/SSW=2 (the switch should transition)

• <1/SSW=1 (the switch should transition)

• <2/SSW=2 (the switch should transition)

• <2/SSW=1 (the switch should transition)

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Caple C804C Spezifikationen Seite 141