Alarm Connector Pinout - P1 - Comtech EF Data CDM-700 Installation And Operation Manual

CDM-700 High Speed Satellite Modem
Connector Pinouts
5.1.6 Alarm Connector Pinout – P1
The unit is put into 1:1 mode (available only in the Rev. A or later chassis) under the
AUX 1:1 Mask
Initially released modems (chassis versions prior to Rev. A) do not support 1:1 redundancy. There
is no upgrade program to support redundancy for these chassis.
Pin #
8
15
7
14
6
13
5
12
4
11
3
10
2
9
1
The P1 Alarm interface is a 15-Pin type 'D' male connector with threaded jack
nuts. The pinout depends upon whether the unit is in Normal mode, or in
Redundancy mode for use with the CRS-170A (L-Band), CRS-180 (70/140
MHz), CRS-300, or CRS-700 redundancy switches.
menu by selecting
Ena/Dis
Alarm Connector Pinout P1 – Normal Mode
Description
Rx Traffic (De-energized, Faulted)
Rx Traffic (Energized, No Fault)
Rx Traffic
Tx Traffic (De-energized, Faulted)
Tx Traffic (Energized, No Fault)
Tx Traffic
Unit Fault (De-energized, Faulted)
Unit Fault (Energized, No Fault)
Unit Fault
Rx I Channel (Constellation Monitor)
Rx Q Channel (Constellation Monitor)
No Connection
AGC Voltage (Rx signal level, 0-10 volts)
Ext Carrier Off
Ground
.
Enable
Name
Rx-NC
Rx-NO
Rx-COM
Tx-NC
Tx-NO
Tx-COM
Unit-NC
Unit-NO
Unit-Com
EXT-OFF
5–5
Revision 5
MN/CDM700.IOM
Config:
Direction
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Rx-I O
Rx-Q O
NC NC
AGC O
I
GND Gnd