User's Manual

Jotron AS| TR7750C: Operators Manual  Technical SPECIFICATIONS
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P/N: 84748 (G)
2 Technical SPECIFICATIONS
2.1 General specification, Transceiver Units, TR-7750C
Standards
EN 301489-x ,Health and Safety: EN 60950,Radio specifications:EN301929-1 and EN301929-2,FCC part80
Environmental, all units
Temperature range
-20°C to +55°C (operating) -40°C to +70°C (storage)
Humidity
90% @+40°C (non condensing)
Shock
Transport: IEC-721-3-2, Class 2M3
Vibration
Transport: IEC-68-2-32, Class 2M3. IEC-68-2-6
EMC
EN 301 489 – part 22, FCC, IC
General, all units
FM 25 kHz
FM 12.5 kHz
DSC
Frequency range
156-162 MHz , All channels, simplex and duplex within the maritime VHF band is available.
Frequency stability
+/- 1.0 ppm
RF Modes
G3E
G3E
G2B
Keying time
< 1.0ms
< 1.0ms
< 1.0ms
Bit rate
2.4 kbit/s
Frequency response
300-3400 Hz
350-2500 Hz
Data ports
RS232, RS485, 100BaseT
Protocols
Simple Network Management Protocol (SNMP v.2), RS232, RS485; See Protocol description
BITE monitoring
VSWR, Voltages, Currents, Levels, Lock detect,
Temperature, Output power, Reflected power, a.o.
Supply voltage, AC
115/230VAC +15/-10% / 50-60Hz
Supply voltage, DC
21.6 - 31.2VDC negative ground
MTBF
>10 years / unit
MTTR
<30 minutes at lowest replaceable unit
2.2 Transmitter Units, TA-7650C
Transmitter unit
FM 25 kHz
FM 12.5 kHz
DSC
Output power
10-50W
Adjacent channel power
>80dBc
>70dBc
>80dBc
Modulation level
up to ± 5kHz deviation
Distortion
< 3%
Line input
600, -36 - +7dBm
Intermodulation protection
ratio
>40 dB when interfering signal is decoupled with at least 30 dB
Tx timeout
10s to 5 min in 10s steps
Inband keying
Configurable tones: 150 – 3400Hz
VSWR
1 : Infinity
Duty cycle
100% continuous operation @ambient below 40°C
Power consumption
<280VA
Dimension Transmitter nit
142mm(28TE)(W) * 230mm(D) * 128mm (H), Weight 3.0 kg