Sea Tel 2400 Dual Band C/Ku
2400 Dual Band Technical Specifications
18-9
EAR Controlled - ECCN EAR99
Auxiliary Interface
Connections
Plug-in Terminal Strip
Pin 1 - GND
Ground
Pin 2 - Aux IN1
Modem Lock Input 1
Pin 3 - Aux IN2
Modem Lock Input 2
Pin 4 - GND
Ground
Pin 5 - SW1
Modem Mute Output 1
Pin 6 - SW2
Modem Mute Output 2
Pin 7 - SW3A
Dry Contact set 1
Pin 8 - SW3B
Dry Contact set 1
Pin 9 - SW4A
Dry Contact set 2
Pin 10 - SW4B
Dry Contact set 2
External AGC (AUX Inputs)
Connectors
2 screw terminal connections
Input Voltage Level
0-5 VDC
Impedance
30K Ohm
Control (Logic Sense can be
reversed)
Low Level (<1.25VDC) = Modem Lock :: High Level
(>1.25 VDC) = Modem Unlock
SW1 Blockage / TX Mute Output
Connections
1 screw terminal connection (SW1)
Connections
1 screw terminal connection (SW2)
Control Level
Not Blocked or Not mispointed=OPEN circuit
Blocked or mispointed=SHORT to ground
SW2 Blockage / TX Mute Output
Connections
1 screw terminal connection (SW2)
Control Level
Not Blocked or Not mispointed=OPEN circuit
Blocked or mispointed=SHORT to ground
Dry Contact Output Sets (SW3 A-B &
SW4 A-B )
Switched outputs
4.7K pull up or Pull Down
Current handling
Current sink of 0.5 amps max.
No Alarm State
Normally Open
Alarm State
Contact closure
NMEA 0183 Interface
Connections
5 screw terminal connections (RXA+ /RXA- input, RXB+/
RXB- input, and TXA+ output)
Rx Sentence Format (GPS)
$xxGLL,DDmm,mmmm,N,DDDmm.mmmm,W (UTC
optional) (*CS optional)
Rx Sentence Format (Gyro)
Heading $xxHDT,xxx.x
Tx Sentence Format (GPS)
$GPGGA,0,DDmm,N,DDDmm,W (configurable)
