Electrical Interfaces
DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem
5-32
TM065 – Rev. 3.3
5.8.15 G.703 BAL (J16)
The G.703 Balanced Port (J10) are the G.703 balanced data connectors. It is a 15-Pin Female
“D” Connector. Refer to Table 5-29 for connector pinouts.
Table 5-29. G.703 BAL - 15-Pin Connector (J10)
Pin Number
Signal
Description
Direction
1
SD-A
Send Data A (-)
Input
2
GND
Ground
–
9
SD-B
Send Data B (+)
Input
7
BAL EXC-A
External Clock A (-)
Input
8
BAL EXC-B
External Clock B (+)
Input
3
RD-A
Receive Data A (-)
Output
4
GND
Ground
–
11
RD-B
Receive Data B (+)
Output
12
DDO-A
Drop Data Out A (-)
Output
5
DDO-B
Drop Data Out B (+)
Output
13
IDI-A
Insert Data In A (-)
Input
6
IDI-B
Insert Data In B (+)
Input
14
MOD FLT
Mod Fault – Open Collector
Output
15
DMD FLT
Demod Fault – Open Collector
Output
5.8.16 ESC 64K Data/Voice/Async (J17)
J17 serves different purposes depending upon configuration
IDR Mode – 64 K Data or Voice depending upon Front Panel selection.
IBS or D&I Mode – Async Port
It is a 9-Pin Female “D” Connector. Refer to Tables 5-30 through 5-32 for connector pinouts.
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