Audio (J2) - Comtech EF Data DMD50 Installation And Operation Manual

DMD50 Universal Satellite Modem
5.7 64K AUDIO (J2)
The 64K AUDIO Port allows for communications between Earth Stations. It is a 9-Pin Female
"D" Connector that complies with IESS 308. Refer to Table 5-7 for pinouts in audio mode and
Table 5-8 for pinouts in 64k mode.
Table 5-7. 64K AUDIO (In Audio Mode) Port 9-Pin Female "D" Connector (J2)
Pin No.
1
2
3
4
5
6
7
8
9
Table 5-8. 64K AUDIO (In 64K Mode)) Port 9-Pin Female "D" Connector (J2)
Pin No.
1
2
3
4
5
6
7
8
9
MN-DMD50– Revision 3
Signal Name
Transmit Audio 1A
Receive Audio 1A
Ground
Transmit Audio 2B
Receive Audio 2B
Transmit Audio 1B
Receive Audio 1B
Transmit Audio 2A
Receive Audio 2A
Signal Name
Send Data A
Receive Data A
Ground
Synchronous Data Send Timing B
Synchronous Data Receive Timing B
Send Data B
Receive Data B
Synchronous Data Send Timing A
Synchronous Data Receive Timing A
Signal
ESCAUDTX 1A
ESCAUDRX 1A
GND
ESCAUDTX 2B
ESCAUDRX 2B
ESCAUDTX 1B
ESCAUDRX 1B
ESCAUDTX 2A
ESCAUDRX 2A
Signal
SD-A
RD-A
GND
ST-B
RT-B
SD-B
RD-B
ST-A
RT-A
User Interfaces
Direction
Input
Output
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Input
Output
Input
Output
Input
Output
Direction
Input
Output
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Input
Output
Input
Output
Input
Output
5–9