Audio (J2) - Radyne DMD20 Installation And Operation Manual

Rear Panel Interfaces
5.5.2 64K AUDIO (J2)
The 64K AUDIO Port allows for communications between Earth Stations. It is a 9-Pin Female "D"
Connector that complies to IESS 308. Refer to Table 5-7a for pinouts in audio mode and Table
5-7b for pinouts in 64k mode.
Table 5-7a. 64K AUDIO (In Audio Mode) Port 9-Pin Female "D" Connector (J2)
Pin No.
1 Transmit Audio 1A
2 Receive Audio 1A
3 Ground
4 Transmit Audio 2B
5 Receive Audio 2B
6 Transmit Audio 1B
7 Receive Audio 1B
8 Transmit Audio 2A
9 Receive Audio 2A
Table 5-7b. 64K AUDIO (In 64K Mode)) Port 9-Pin Female "D" Connector (J2)
Pin No.
1 Send Data A
2 Receive Data A
3 Ground
4 Synchronous Data Send Timing B
5 Synchronous Data Receive
Timing B
6 Send Data B
7 Receive Data B
8 Synchronous Data Send Timing A
9 Synchronous Data Receive
Timing A
5-12
Signal Name
Signal Name
DMD20/DMD20 LBST Universal Satellite Modem
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
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
TM103 - Rev. 2.5