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RCS20 M:N Redundancy Switch
User Interfaces
4.3.3.7
SWITCH MINOR ALARMS 1
These screens display the RCS20 minor alarms, and allow the user to mask these alarms. When an
alarm is masked, the error will not be reported on the front panel MINOR ALARM Lamp or on the ALARM
connector at the rear of the RCU20. The POWER SUPPLY 1 PRESENT Alarm indicates that slide-in
Power Supply Module 1 is fully seated in the RCU20. The POWER SUPPLY 1 VOLTAGE Alarm indicates
a voltage problem with slide-in Power Supply Module 1. The remaining two alarms indicate the same
conditions for slide-in Power Supply Module 2.
CAUTION
Masking alarms may cause undesirable modem performance
4.3.3.7.1
Programming steps:
1. Press or to move the flashing cursor the channel to be programmed
2. Press <TOG MODE> to toggle between YES and NO. 'Y' indicates an alarm is masked, 'N'
indicates an alarm is not masked.
3. Press <CLR> or <NEXT> to abort programming (no switch parameters changed).
4. Press <ENT> to load the information on the screen into the switch parameter table.
Key
Label
S1
S2
S3
TOG MODE
S4
NEXT
Numeric Keypad
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SWITCH MINOR ALARMS
POWER SUPPLY 1 PRESENT
: FAIL
POWER SUPPLY 1 VOLTAGE
: FAIL
POWER SUPPLY 2 PRESENT
POWER SUPPLY 2 VOLTAGE
TOG MODE
<FT PANEL>
<TERM>
<COMPUTER>
Press to move the blinking cursor up through the list of faults.
Press to move the blinking cursor down through the list of faults.
Used to toggle between YES (masked) and NO (not masked).
Press to cycle to the next screen.
Press <CLR> or <NEXT> to abort programming (no switch parameters changed).
Press <ENT> to load the information on the screen into the switch parameter table.
4–58
MASK
YES
YES
: PASS
NO
: PASS
NO
NEXT
NEXT
Function
Revision 15
MN-RCS20 and CD-RCS20
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