Radyne DMD2401 Operation Manual page 154

DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem
5.5.11 ASYNC (J15)
The Asynchronous Interface Port (J15) is a 9-Pin Female "D" Connector. Refer to Table 5-13 for
connector pinouts. Refer to Section 5.8 for configuration switch settings.
Table 5-13. Asynchronous Interface - 9-Pin Female "D" Connector (J15)
Pin Number
1 TX-485-B
2 TXD-232
3 RXD-232
5 GND
4 NC
9 RX-485-A
8 RX-485-B/CTS
6 TX-485-A
7 RTS
TM065 - Rev. 3.3
Signal
Transmit Data RS485 (+)
Transmit Data RS232
Receive Data RS232
Ground
Not Connected
Receive Data 485 (-)
Receive Data 485 (+)
Transmit Data 485 (-)
Request to Send
Description
Electrical Interfaces
Direction
Input
Input
Output
–
–
Output
Output
Input
Input
5-15