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Rear Panel Interfaces
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 (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
5.3.9 J18
Radyne factory use only.
5.3.10 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 (-)
9
Receive Timing B (+)
10
Receiver Ready B (+)
11
Terminal Timing B (+)
5-4
Signal Name
Signal Name
DMD50 Universal Satellite Modem
Signal
Direction
RXD_B
RXD_A
TXD_A
TXD_B
GND
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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
Output
Output
Input
Input
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---
---
---
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Input
Output
Input
Output
Output
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Output
Output
Output
Input
TM118 – Rev. 1.1
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