Transas T214, Technical Manual

Page: 23 / 115

AIS Base Station T214 main unit
Chapter 3. General Information.
21
3.1
AIS BASE STATION T214 MAIN UNIT
AIS Base Station T214 technical specification is provided in the table below:
GNSS specification
GPS receiver 12 channels, differential
GNSS antenna Patch antenna with built-in 30dB preamplifier
GLONASS receiver
(Optional) 16 channels, differential
Update rate 1 per second
Transmitter specification
Number of
transmitters 1
Power output 12.5W or 2.0W
Frequency range 156.025 ÷ 162.025 MHz
Antenna impedance 50 Ohm
Frequency stability <±2.5 ppm
TDMA Receivers
Number of receivers 2x
Sensitivity PER < 20% at -107 dBm (25kHz)
PER < 20% at - 98 dBm (12.5kHz)
Co-channel rejection Not less –10dB
Adjacent channel
selectivity
Not less 70dB (25kHz); Not less 50dB (12.5kHz);
Intermodulation 74 dB
Frequency range 156.025. 162.025 MHz
Channel spacing 12.5 or 25 kHz
Modulation GMSK
Data rate
9600 bits/s
Interfaces
Ethernet 10BASE-T 1x RJ45
RS 232 or RS 422 5x DB9
VHF Rx antenna 1x PL 259
VHF Tx antenna 1x PL 259
GNSS antenna 1x TNC
1 PPS BNC
Digital I/O 1x RJ45
Interface Port Specification
Main RS-232 IEC 61993-2
Aux RS-232 IEC 61993-2
RTCM RS232/RS422 RTCM PAPER 11-98/SC104-STD (or compatible)
Sensor RS-422
Digital I/O
3x Digital inputs (5÷30 V)
3x Digital outputs (open drain, up to 50VDC, 150mA)
Display RS-232