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MBT-5000 L-Band Up/Down Converter System
Front Panel Operation
Use the ◄ ► arrow keys to select Fault, Alarm, or Masked, and then press ENTER to return to
the previous menu.
If Power Monitoring is not supported when you select Power alarm masking, the
following message displays:
5.2.3.2.1
Out-of-Range Power Supply Masking Using the PS Submenu
Power Supply 1:
Power Supply 2:
Use this submenu to configure how out-of-range power supply events are shown on the front
panel Side A and Side B SUM FAULT LEDs, and the Summary Fault Relay.
Select Power Supply 1 or Power Supply 2, and then press ENTER.
Alarm Mask: PS Power Supply X
Power Supply X:
Fault Alarm Masked
Use the ◄ ► arrow keys to select Fault, Alarm, or Masked, and then press ENTER. Note the
following:
Selection
Fault
Alarm
Masked
If all power supplies in the chassis are out of range, then both SUM FAULT LEDs are lit (if
able) and the Summary Fault Relay is tripped to the Fault position.
This Converter Does NOT
Support Power Monitor.
(◄ ►E)
(◄ ►E)
State
Both SUM FAULT LEDs are lit and the Summary Fault Relay is tripped to the Fault
position.
Both SUM FAULT LEDs are lit, but the Summary Fault Relay position is not affected
Neither the SUM FAULT LEDs nor the Summary Fault Relay are affected.
Power Supply 2 is typically available when the optional Dual Entry Module AC
Power is installed on the optional redundant chassis. Most standalone (i.e.,
single-thread or non-redundant) chassis will not have this AC power option.
For any chassis containing a single power supply, you must set Power Supply
2 as "Masked" to prevent the occurrence of misleading alarms.
5–13
MN-MBT5000
Revision 4
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