Specifications

DMD20/20LBST Universal Satellite Modem Rear Panel Interfaces
MN-DMD20-20LBST Revision 14 5–15
5.8.3 8K DATA (J3)
The 8K Data Port allows for communications between Earth Stations. It is a 15-Pin Female “D”
Connector that complies with IESS 308. Refer to Table 5-8 for pinouts.
Table 5-8. 8K DATA Port 15-Pin Female “D” Connector (J3)
Pin No. Signal Name Signal Direction
1 Receive Octet-B ESCRXO-B Output
2 Receive Clock-B ESCRXC-B Output
3 Receive Data-B ESCRXD-B Output
4 No Connection NC ---
5 No Connection NC ---
6 Transmit Data-A ESCTXD-A Input
7 Transmit Clock-A ESCTXC-A Output
8 Transmit Octet-A ESCTXO-A Output
9 Receive Octet-A ESCRXO-A Output
10 Receive Clock-A ESCRXC-A Output
11 Receive Data-A ESCRXD-A Output
12 Ground GND ---
13 Transmit Data-B ESCTXD-B Input
14 Transmit Clock-B ESCTXC-B Output
15 Transmit Octet-B ESCTXO-B Output