DMD50 Universal Satellite Modem
Rear Panel Interfaces
TM118 – Rev. 1.1
5-3
5.3.5 RX L-Band IF (J14)
The Receive IF Input Port is a 50-Ohm SMA Female Connector that can be used for L-Band IF.
The IF Frequency can be programmed from 950 to 2050 MHz in 1 Hz Steps.
5.3.6 ALARM (J15)
The Alarm Port is a 15-Pin Female “D” Connector. Refer to Table 5-2 for pinouts.
Table 5-2. ALARM Port 15-Pin Female “D” Connector (J15)
Pin No.
Signal Name
Signal
Direction
1
Mod Fault - C
MF-C
No Direction
2
Mod Fault – NC
MF-NC
No Direction
3
Mod Fault – NO
MF-NO
No Direction
4
Demod Fault - C
DF-C
No Direction
5
Demod Fault – NC
DF-NC
No Direction
6
Demod Fault – NO
DF-NO
No Direction
7
Prompt - C
CEF-C
No Direction
8
Prompt – NC
CEF-NC
No Direction
9
Prompt – NO
CEF-NO
No Direction
10
Service – C
SP1-NO
No Direction
11
Service – NC
SP1-NC
No Direction
12
Service – NO
SP2-NO
No Direction
13
No Connection
SP2-NC
No Direction
14
AGC Out
AGC
No Direction
15 Ground
GND
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5.3.7 EXT CLK (J16)
The External Clock Port is a 75-Ohm Female BNC Connector. It allows interfacing to an external
clock source. Input level: .5 to 5 volts Peak-to-Peak.
Summary of Contents for DMD50
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Page 20: ...DMD50 Universal Satellite Modem Introduction TM118 Rev 1 1 1 3...
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Page 27: ...Installation DMD50 Universal Satellite Modem 2 6 TM118 Rev 1 1...
Page 53: ...Theory of Operation DMD50 Universal Satellite Modem 3 26 TM118 Rev 1 1...
Page 97: ...User Interfaces DMD50 Universal Satellite Modem 4 44 TM118 Rev 1 1...
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Page 162: ...DMD50 Universal Satellite Modem Appendix A TM118 Rev 1 1 A 3...
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