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Comtech EF Data DMD2401/DMD2401L User Manual

Page 91

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User Interfaces

DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem

4-52

TM065 – Rev. 3.3

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Transmit ESC
Audio #2 Volume

Drop Mode








DropMap

Drop Alarm
Status Mask










Drop Backward
Alarm Mask

ForceSatBack

Drop Edit Map


-20 to +10, Signed Binary Value (in dB)


0 = Disable
1 = T1-D4
2 = T1-ESF
3 = PCM-30
4 = PCM-30C
5 = PCM-31
6 = PCM-31C
7 = T1-SLC96

Mapping of Satellite Channels to dropped Terrestrial Timeslots

Bit 0 = Terrestrial Frame Lock Fault (all modes)
Bit 1 = Terrestrial Multiframe Lock Fault (PCM-30 and

PCM-30C only)

Bit 2 = Terrestrial CRC Lock Fault (PCM-30C and PCM-31C

only)

Bit 3 = Terrestrial Yellow Alarm Received (T1 only)
Bit 4 = Terrestrial FAS Alarm Received (E1 only)
Bit 5 = Terrestrial MFAS Alarm Received (PCM-30 and PCM-

30C only)

Bit 6 = Loss of T4errestrial Signaling (reported by DSP)
Bit 7 = Spare

Bit 0 = Backward Alarm Received from Drop Terrestrial
Bits 2 – 7 = Spares

Force D&I Satellite Backward Alarm to be transmitted

Edit mapping of Satellite channels to dropped Terrestrial Time

Status Bytes

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<1>

Revision Number

Alarm 1 Major
Alarm








Alarm 2 Minor
Alarm








Common Alarm

Decimal Point Implied

Bit 0 = Transmit Processor Fault Major Alarm
Bit 1 = Transmit Output Power Level Fault
Bit 2 = Transmit Oversample PLL Lock Fault
Bit 3 = Transmit Composite Clock PLL Lock Fault
Bit 4 = IF Synthesizer Lock Fault
Bit 5 = Transmit FPGA Configuration Fault
Bit 6 = Transmit Forced Alarm
Bit 7 = External Reference PLL Lock Fault

(0 = Pass, 1 = Fail)

Bit 0 = Terrestrial Clock Activity Detect Fault Minor Alarm
Bit 1 = Internal Clock Activity Detect Fault
Bit 2 = Tx Sat Clock Activity Detect Fault
Bit 3 = Tx Data Activity Detect Fault
Bit 4 = Terrestrial AIS (Tx Data AIS Detect Fault)
Bit 5 = Transmit Ext BNC Clock Activity Detect Fault
Bit 6 = Transmit Reed-Solomon Fault

Bit 7 = Tx BUC Fault, LBST Only
(0 = Pass, 1 = Fail)

Bit 0 = -12 V Alarm

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