Async (J17); Terminal (J18); Mil-188-114A (J19) - Radyne DMD2050 Operation Manual

DMD2050 Universal Satellite Modem

5.3.8 ASYNC (J17)

The Asynchronous Data Interface Port is a 9-Pin Female "D" Connector. Refer to Table 5-3 for
pinouts.
Table 5-3. ASYNC Port 9-Pin Female "D" Connector (J17)
Pin No.
1 Receive Data B
2 Receive Data A
3 Transmit Data A
4 Transmit Data B
5 Ground
6 No Connect
7 No Connect
8 No Connect
9 No Connect

5.3.9 TERMINAL (J18)

Used for Radyne factory use only.

5.3.10 MIL-188-114A (J19)

The EIA-530 Port is an RS-422 Connection. It is a 25-Pin Female "D" Connector. Refer to Table
5-4 for pinouts.
Table 5-4. MIL-188-114A Port (RS-422) 25-Pin Female "D" Connector (J19)
Pin No.
1 Shield
2 Send Data A (-)
3 Receive Data A (-)
4 Request To Send A (-)
5 Clear To Send A (-)
6 Data Mode A (-)
7 Signal Ground
8 Receiver Ready A (-)
9 Receive Timing B (+)
10 Receiver Ready B (+)
11 Terminal Timing B (+)
12 Send Timing B (+)
TM110 – Rev. 1.3
Signal Name
Signal Name
Rear Panel Interfaces
Signal Direction
RXD_B
RXD_A
TXD_A
TXD_B
GND
DSR
RTS
CTS
NC
Signal Direction
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SD-A
RD-A
RS-A
CS-A
DM-A
SGND
RR-A
RT-B
RR-B
TT-B
ST-B
Output
Output
Input
Input
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Input
Output
Input
Output
Output
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Output
Output
Output
Input
Output
5-5