Radyne DMD2050, Operation Manual

Page: 123 / 214

Rear Panel Interfaces DMD2050 Universal Satellite Modem
5-4 TM110 - Rev. 1.3
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 Connect SP2-NC No Direction
14 AGC Out AGC No Direction
15 Ground GND ---
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.