Comtech EF Data RCS10 User Manual
Page 215

RCS10 Redundant Communication System
Maintenance
TM058 - Rev. 2.3
Page 4-7
Table 4- 5. IBS Fault Conditions and Actions
(Includes Drop and Insert)
Fault Detected on Terrestrial Link
(Across Interface A)
FA1 Loss of Terrestrial Input
FA2 Loss of Terrestrial Signaling
FA3 Loss of Terrestrial Frame
FA4 Loss of Terrestrial Multiframe
FA5 BER of 1E-3 or Greater on
Terrestrial Input
FA6 Alarm Indication Received on
Terrestrial Input
Fault Detected From Satellite
(Across Interface E)
FA1 Loss of Satellite Signal Input
FA2 Loss of Satellite Frame
FA3 Loss of Satellite Multiframe
FA4 BER of 1E-3 or Greater From
Satellite Input
FA5 Alarm Indication Received From
Satellite Input
Action In Earth Station
AS1,2 IBS Prompt, Service
Alarm
AS1 IBS Prompt Alarm
AS1 IBS Prompt Alarm
AS1 IBS Prompt Alarm
AS1 IBS Prompt Alarm
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AS1,2 IBS Prompt, Service
Alarm
AS1,2 IBS Prompt, Service
Alarm
AS1,2 IBS Prompt, Service
Alarm
AS1,2 IBS Prompt, Service
Alarm
AS2 IBS Service Alarm
Action to Terrestrial
(Across Interface H)
AH2 ‘1’ in Bit 3 of NFAS
TSO, Yellow Alarm
AH2 ‘1’ in Bit 3 of NFAS
TSO, Yellow Alarm
AH2 ‘1’ in Bit 3 of NFAS
TSO, Yellow Alarm
AH2 ‘1’ in Bit 3 of NFAS
TSO, Yellow Alarm
AH2 ‘1’ in Bit 3 of NFAS
TSO, Yellow Alarm
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AH1, 3 AIS in TS’s, ‘1111’
in TS16
AH1, 3 AIS in TS’s, ‘1111’
in TS16
AH1, 3 AIS in TS’s, ‘1111’
in TS16
AH1, 3 AIS in TS’s, ‘1111’
in TS16
AH2 ‘1’ in Bit 3 of NFAS
TS0, Yellow Alarm
Action to Satellite
(Across Interface D)
AD1 AIS in Relevant TS’s
AD3 ‘1111’ in
RelevantTS16’s
AD1 AIS in Relevant TS’s
AD3 ‘1111’ in Relevant
TS16’s
AD1 AIS in Relevant TS’s
AD2 ‘1’ in Bit 3 of Byte 32
AD2 ‘1’ in Bit 3 of Byte 32
AD2 ‘1’ in Bit 3 of Byte 32
AD2 ‘1’ in Bit 3 of Byte 32
AD2 ‘1’ in Bit 3 of Byte 32
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