Table 2-5. Terrestrial Data Interface 25-Pin D Female (Optional); Table 2-6. Remote Control Interface (M&C) - Comtech EF Data SLM-7650 Installation And Operation Manual

SLM-7650 Satellite Modem
Installation
2.2.2.5 Remote Control Interface (M&C)
EIA-485 4 Wire
Pin # Signal Name
1
2
3
4
5
6
7
8
9
Table 2-5. Terrestrial Data Interface
25-Pin D Female (Optional)
Pin # Signal Name
1 GND
2 SDA
3 RDA
4 RTSA
5 CTSA
6 DMA
7 GND
8 RRA
9 RTB
10 RRB
11 TTB
12 STB
13 CTSB
Table 2-6. Remote Control Interface (M&C)
Remote Control Interface, 9 Pin D Female, DCE
EIA-485 2 Wire
I/O Pin #
GND 1
2
3
+TX I 4
-TX I 5
6
7
+RX O 8
-RX O 9
Pin # Signal Name
14 SDB
15 STA
16 RDB
17 RTA
18 N/C
19 RTSB
20 EXC/MCA
21 DF
22 DMB
23 EXC/MCB
24 TTA
25 MF
Signal Name I/O Pin #
GND 1
2
3
+TX/+RX I/O 4
-TX/-RX I/O 5
6
7
+TX/+RX I/O 8
-TX/-RX I/O 9
2–4
MN/SLM7650.IOM
EIA-232
Signal Name I/O
GND
RD O
TD I
GND
DSR O
RTS I
CTS O
Rev. 3