Comtech EF Data DMD1050 - Manual (Page 68)

DMD1050 Satellite Modem Board Rear Panel Interface
MN-DMD1050 4–6
Revision 9
4.4.4 ASYNC & Remote Port (J1) - 10 Pin Dual Row Header
This port support both the Async and the Remote interfaces. The remote port can support RS485
or RS232. This port is a 10 pin dual row header. Manufacturer part number for this connector is
referenced in Appendix E. Refer to Table 4-2 for pinouts.
Table 4-2 ASYNC & Remote Ports (J1)
Pin No. Signal Name Signal Direction
1 RX_ASYNC_B 485/RXD_B Output
2 RX_ASYNC_A 485/RXD_A Output
3 TX_ASYNC_B 485/TXD_B Input
4 TX_ASYNC_A 485/TXD_A Input
5 RX_RLLP_B 485/CTS Input
6 RX_RLLP_A 485-A_232 Input
7 TX_RLLP_B 485-B Output
8 TX_RLLP_A 485-A_232 Output
9 Ground GND ---
10 No Connect --- ---
Table 4-2. ASYNC & Remote Ports (J1)