Table 2-2. If Interface; Table 2-3 Modem External Reference Input; Table 2-4. Terrestrial Data Interface 37-Pin D Female; Terrestrial Data Interfaces - Comtech EF Data SLM-7650 Installation And Operation Manual

SLM-7650 Satellite Modem
Installation
2.2.2.2 IF Connection: Transmit and Receive
2.2.2.3 External Reference Input
2.2.2.4

Terrestrial Data Interfaces

Table 2-2. IF Interface

Connector Name
Tx IF CP1
Rx IF CP2

Table 2-3 Modem External Reference Input

Connector Name Designation
REF CP3
Table 2-4. Terrestrial Data Interface
37-Pin D Female
Pin # Signal Name
1 GND
2 N/C
3 MOD_FLT
4 SDA
5 STA
6 RDA
7 RTSA
8 RTA
9 CTSA
10 N/C
11 DMA
12 N/C
13 RRA
14 N/C
15 N/C
16 EXC/MCA
17 TTA
18 N/C
19 GND
Connector Type
TNC 50
Ω (optional BNC
TNC 50 Ω (optional BNC
Connector Type
TNC 50Ω
(optional BNC
Pin # Signal Name
20 GND
21 DEMOD_FLT
22 SDB
23 STB
24 RDB
25 RTSB
26 RTB
27 CTSB
28 N/C
29 DMB
30 N/C
31 RRB
32 N/C
33 N/C
34 EXC/MCB
35 TTB
36 N/C
37 GND
2–3
MN/SLM7650.IOM
50
Ω)
50 Ω)
50 Ω)
Rev. 3