Bal (J4) - Radyne DMD20 Installation And Operation Manual

DMD20/20LBST Universal Satellite Modem
5.8.4 G.703 BAL (J4)
The G.703 Interface Port (Balanced) is a 15-Pin Female "D" Connector. Refer to Table 5-9 for
pinouts.
Table 5-9. G.703 BAL Port 15-Pin Female "D" Connector (J4)
Pin No.
1 Send Data (-)
2 Ground
3 Receive Data A (-)
4 Ground
5 Drop Data Out (+)
6 Insert Data In (+) EXC (+)
7 External Clock A (-)
8 External Clock B (+)
9 Send Data (+)
10 No Connection
11 Receive Data B (+)
12 Drop Data Out (-)
13 Insert Data In (-) EXC (-)
14 Mod Fault
15 Demod Fault
MN-DMD20-20LBST Revision 14
Signal Name Signal
SD-A
GND
RD-A
GND
DDO-B
IDI-B
BAL EXC-A
BAL EXC-B
SD-B
---
RD-B
DDO-A
IDI-A
MOD-FLT Open Collector
DMD-FLT Open Collector
Rear Panel Interfaces
Direction
Input
---
Output
---
Output
Input
Input
Input
Input
---
Output
Output
Input
Output
Output
5–16