J18; J19); Eia-530 (J19) - Comtech EF Data DMD50 Installation And Operation Manual

DMD50 Universal Satellite Modem
5.4.8 ASYNC (J17)
The Asynchronous Data Interface Port is a 9-Pin Female "D" Connector. Refer to Table 5-3 for
pinouts.
Pin No.
1 Receive Data B (RS-485)
2 Receive Data A (RS-485/-232)
3 Transmit Data A (RS-485/-232)
4 Transmit Data B (RS-485)
5 Ground
6 No Connection
7 No Connection
8 No Connection
9 No Connection

5.4.9 J18

Factory use only.

5.4.10 EIA-530 (J19)

The EIA-530 Port is an RS-422/V.35/RS-232 Connection. It is a 25-Pin Female "D" Connector.
Refer to Table 5-4 for pinouts.
Table 5-4. EIA-530 Port (RS-422/V.35/RS-232) 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 (-)
MN-DMD50– Revision 3
Table 5-3. ASYNC Port 9-Pin Female "D" Connector (J17)
Signal Name
Signal Name
Signal
RXD_B
RXD_A
TXD_A
TXD_B
GND
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Signal
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SD-A
RD-A
RS-A
CS-A
DM-A
SGND
RR-A
User Interfaces
Direction
Output
Output
Input
Input
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Direction
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Input
Output
Input
Output
Output
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Output
5–5