Filter
Top Products
User Interfaces DMD15/DMD15L IBS/IDR Satellite Modem
5-4 TM051 – Rev. 5.8
Table 5-1. G.703 Interface Port (Balanced) 15-Pin Female “D” Connector (J7)
Pin No. Signal Name Signal Direction
1 Send Data (-) SD-A Input
2 Ground GND ---
9 Send Data (+) SD-B Input
7 External Clock A (-) BAL EXC-A Input
8 External Clock B (+) BAL EXC-B Input
3 Receive Data A (-) RD-A Output
4 Ground GND ---
11 Receive Data B (+) RD-B Output
12 Drop Data Out (-) DDO-A Output
5 Drop Data Out (+) DDO-B Output
13 Insert Data In (-) EXC (-) IDI-A Input
6 Insert Data In (+) EXC (+) IDI-B Input
5.10 SYNC DATA (J8)
The Synchronous Data Interface Port is a 37-Pin Female “D” Connector. Refer to Table 5-2 for
pinouts.
Table 5-2. Synchronous Data Port RS-422/RS-485/RS-
232/V.35
37-Pin Female “D” Connector (J8)
Pin No. Signal Name Signal Direction
3 Transmit Octet (-) TXO-A Input
21 Transmit Octet (+) TXO-B Input
4 Send Data A (-) SD-A Input
22 Send Data B (+) SD-B Input
5 Send Timing A (-) ST-A Output
23 Send Timing B (+) ST-B Output
6 Receive Data A (-) RD-A Output
24 Receive Data B (+) RD-B Output
7 Request to Send A (-) RS-A Input
25 Request to Send B (+) RS-B Input
8 Receive Timing A (-) RT-A Output
26 Receive Timing B (+) RT-B Output
9 Clear to Send A (-) CS-A Output
10 Mod Fault - Open Collector MF Output