Datum Systems M7 Series - Page 112

Maintenance M7/M7L/M7LT Modular Satellite Modem
3-56 M7/M7L/M7LT - Rev. 0.05
Synchronous Interface Parameters
Representation
Type
Entry
Description
Alarm Send Data Idle
30 sec.
Numeric
0000 to 9999 Sec
Sets the time before an alarm is
raised after there is no data
detected at the Tx interface. (0 =
Disable)
Alarm Rcv Data Mask
to Alarm B
Selection
0 = None, 1 = to Alarm A,
2 = to Alarm B,
3 = to Alarm A & B
Selects destination of alarm
Alarm Rcv Data Idle
30 sec.
Numeric
0000 to 9999 Sec
Sets the time before an alarm is
raised after there is no data
detected at the Rcv interface. (0
= Disable)
Alarm Backward Mask
to Alarm A
Selection
0 = None, 1 = to Alarm A,
2 = to Alarm B,
3 = to Alarm A & B
Selects destination of alarm
Alarm BER Loss Mask
to Alarm A
Selection
0 = None, 1 = to Alarm A,
2 = to Alarm B,
3 = to Alarm A & B
Selects destination of alarm
Alarm Test Active Mask
to Alarm A
Selection
0 = None, 1 = to Alarm A,
2 = to Alarm B,
3 = to Alarm A & B
Selects destination of alarm
Alarm Hardware Mask
to Alarm A & B
Selection
0 = None, 1 = to Alarm A,
2 = to Alarm B,
3 = to Alarm A & B
Selects destination of alarm
Test Ter Loopback
Disabled
Selection
0 = Disable, 1 = Enable
Interface terrestrial loop-back
send input to receive output.
Test Sat Loopback
Disabled
Selection
0 = Disable, 1 = Enable
Interface satellite loop-back
receive output to send input.
Test BER I/O
Satellite
Selection
0 = Satellite,
1 = Terrestrial
BERT Transmit output and
Receive input direction..
Test Send BER
Disabled
Selection
0 = Disable, 1 = 2047,
2 = 2^23-1
3 = Insert 1 Error
(if enabled)
BERT enable to modem transmit
input.
Test Rcv BER
2^23-1
Selection
0 = Disable, 1 = 2047,
2 = 2^23-1
BERT enable from modem
receive output.
Test BER
5.253E-8
Read Only
Enter to restart test
BER measurement of the active
test if ‘‘Test Rcv BER’ is active
Test BER Sync Loss
0
Read Only
Enter to restart test
Measurement of the number of
sync losses in the active test if
‘‘Test Rcv BER’ is active
Test BER Errors
15
Read Only
Enter to restart test
Measurement of the number of
bit errors in the active test if ‘Test
Rcv BER’ is active
Test BER Bits
2.853E9
Read Only
Enter to restart test
Total Bits in active test
measurement if ‘Test Rcv BER’ is
active