Radyne DMD2401 Operation Manual page 143

Electrical Interfaces
5.3.7 REMOTE (J7)
The Remote Port (J7) is the RS-485 connection for remote monitor and control of the modem. It
is a 9-Pin Female "D" Connector. Refer to Table 5-5 below for the connector pinouts.
Table 5-5. RS-485 Remote Port – 9-Pin Female "D" Connector (J7)
Pin Number
1 RS-485 TxD-B
5 GND
6 RS-485 TxD-A
8 RS-485 RxD-B
9 RS-485 RxD-A
5.2.9 DATA INTERFACE (J9)
The Data Interface Port (J9) is used for Synchronous Data Interface and allows the use of
RS-422, RS-232, and V.35 Interfaces. It is a 37-Pin Female Connector. Refer to Table 5-6 for
RS-422 connector pinouts, and Tables 5-7 and 5-8 for RS-232 and V.35 adapters.
Table 5-6. Sync Data - 37-Pin Female Connector (J9)
Pin Number
4 SD-A
22 SD-B
5 ST-A
23 ST-B
6 RD-A
24 RD-B
7 RS-A
25 RS-B
8 RT-A
26 RT-B
9 CS-A
14 MF
33 DF
27 CS-B
DM-A
11*
29* DM-B
13 RR-A
31 RR-B
5-4
DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem
Signal
Transmit Data B
Ground
Transmit Data A
Receive Data B
Receive Data A
Signal
Send Data A (-)
Send Data B (+)
Send Timing A (-)
Send Timing B (+)
Receive Data A (-)
Receive Data B (+)
Request to Send A (-)
Request to Send B (+)
Receive Timing A (-)
Receive Timing B (+)
Clear to Send A (-)
Mod Fault - Open Collector
Demod Fault - Open Collector
Clear to Send B (+)
Data Mode A (-)
Data Mode B (+)
Receiver Ready A (-)
Receiver Ready B (+)
Description
Description
Direction
Output
–
Output
Input
Input
Direction
Input
Input
Output
Output
Output
Output
Input
Input
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
TM065 – Rev. 3.3