Comtech EF Data SLM-5650B - J6 EIA-530 Connector (DB-25 F); Table 3-5. J6 EIA-530 Connector (DB-25 F) Pinout

SLM-5650B Satellite Modem
Revision 2
Rear Panel Connectors and Pinouts 3–5 MN-SLM-5650B
Pin # Signal Function Name
10
EIA-422 Transmit Handover Sync “B”, Input
THS B
23
EIA-232 Clear to Send
232 CTS
11
EIA-232 Receive Data
232 Rx Data
24 EIA-232 Request to Send 232 RTS
12 EIA-232 Transmit Data 232 Tx Data
25 EIA-422 Transmit Handover Control “A”, Input THC A
13 EIA-422 Transmit Handover Control “B”, Input THC B
* For EIA-485 2-Wire Operation
• Only two wires are required
• Tie pins 8 and 22 together (both +)
• Tie pins 9 and 20 together (both -)
3.3.3 J6 EIA-530 Connector (DB-25F)
This is a female Type ‘D’ 25-pin (DB-25F) connector that conforms to the
EIA-530 pinout for EIA-422 operation only.
Table 3-5. J6 EIA-530 Connector (DB-25F) Pinout
Pin #
Name
1
Ground
14
SD_B
2 SD_A
15 ST_A
3 RD_A
16 RD_B
4 RS_A
17
RT_A
5
CS_A
18
MOD FLT OC
6
DM_A
19 RS_B
7 Ground
20 Not Used
8 RR_A
21
DMD FLT OC