SLM-3650 Satellite Modem
Revision 3
Options
MN/SLM3650.IOM
A–93
A.4.5.2 Pin
Assignment
Refer to Table A-29 for 50-pin connector pin assignments.
Table A-29. 50-Pin Connector Pin Assignments
Pin #
Signal Name
Description
Pin #
Signal Name
Description
1, 2
GND
11
RT2-A
Channel #3
Receive Timing -
Auxiliary 2
34 DDI-A
Channel #1
Drop Data Input -
Main Channel G.703
44 RT2-B
Channel #3
Receive
Auxiliary 2
18 DDI-B
Channel #1
Drop Data Input +
Main Channel G.703
43 ST2-A
Channel #3
Send Timing -
Auxiliary 2
36 IDO-A
Channel #1
Insert Data Output -
Main Channel G.703
27 ST2-B
Channel #3
Send
Auxiliary 2
20 IDO-B
Channel #1
Insert Data
Main Channel G.703
28 CTS2-A
Channel #3
Clear-To-Send -
Auxiliary 2
37 DDO-A
Channel #1
Drop Data Output -
G.703 Main.
15 CTS2-B
Channel #3
Clear-To-Send +
Auxiliary 2
38 DDO-B
Channel #1
Drop Data
G.703 Main.
5 TXD-A
Channel #4
ESC Send Data -
39 IDI-A
Channel #1
Insert Data Input -
G.703 Main.
4 TXD-B
Channel #4
ESC Send Data +
40 IDI-B
Channel #1
Insert Data Input +
G.703 Main.
7 RXD-A
Channel #4
ESC Receive Data -
35 EXC_A
Channel #1
External Clock Input -
Main Channel
6 RXD-B
Channel #4
ESC Receive Data +
19 EXC_B
Channel #1
External Clock Input +
Main Channel
26 RXCLK
Channel #4
ESC Receive Clock
45 AII-A
Channel #2
Audio In -
25 TXCLK
Channel #4
ESC Send Clock
29 AII-B
Channel #2
Audio In +
41 ESCDSR
Channel #4
ESC Data Set Ready
46 AIO-A
Channel #2
Audio Out -
17 DMA
30 AIO-B
Channel #2
Audio Out +
50 DF-NO
8 SD2-A
Channel #3
Send Data - Auxiliary 2
16 DF-COM
9 SD2-B
Channel #3
Send Data + Auxiliary 2
49
MOD-FLT
Modulator Fault
42 RD2-A
Channel #3
Receive Data - Auxiliary 2
33 DMD-FLT Demodulator
Fault
10 RD2-B
Channel #3
Receive Data + Auxiliary 2
3 AGC_OUT Analog
Voltage
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