Section 5 - Rear Panel Interfaces; Dmd20 Connections; Ac Power Input Module; Esc Alarm (J1) - Radyne DMD20 Installation And Operation Manual

DMD20 Universal Satellite Modem
This section discusses the electrical interfaces available from the rear panel. All locations are as
viewed from the rear of the unit unless otherwise specified.

5.0 DMD20 Connections

All DMD20 connections are made to labeled connectors located on the rear of the unit (refer to
Figure 5-1). The connector definitions below are those on the DMD20 unit. Any connection
interfacing to the DMD20 must be the appropriate mating connector.
Figure 5-1. DMD20 Universal Satellite Modem Rear Panel Configurations

5.1 AC Power Input Module

AC Input Module (Figure 5-1) is located on the left side of the unit. Power applied to the port with
the supplied power cable is 100 – 240 VAC, 50 – 60 Hz. Integrated into the Power Input Module
is the Power On/Off Rocker Switch. Power consumption for the unit is 1A. A chassis ground
connection (#10-32 threaded stud), is located to the lower right of the module.

5.2 ESC ALARM (J1)

The ESC (Engineering Service Circuits) Alarms Port is a 25-Pin Female "D" Connector. Refer to
Table 5-1 for pinouts.
Table 5-1. ESC ALARM Port 25-Pin Female "D" Connector (J1)
Pin No.
1
2 Backward Alarm Out - 1NO
3
4 Backward Alarm Out - 2 NO
5
6 Backward Alarm Out - 3 NO
7
TM103 – Rev. 1.1
Section 5 – Rear Panel Interfaces
Signal Name
Ground
No Connection
No Connection
Ground
Rear Panel Interfaces
Signal
GND
ESCBWO 1NO
NC
ESCBWO 2NO
NC
ESCBWO 3NO
GND
Direction
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N/A
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N/A
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N/A
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5-1