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- Model VHF - OTR-4224 - Coastal ...
Model VHF - OTR-4224 -Coastal Transceiver
OTR-4224 is an all-in-one marine VHF transceiver supporting narrowband FM/PM mode (with channel spacing of 25 kHz or 12,5 kHz) designed to comply for safety and general communications. OTR-4224 has a form factor that enables installation into a standard four-unit rack-mountable module named OSU-1124. Each OSU-1124 can contain up to 4 radios.
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- Secure mode
- Full IP connectivity:
Wide range of implemented protocols: independent TCP/IP connections (remote client or server), SNMP, SNTP, TFTP for automatic firmware upgrade, HTTP for Web access and remote management. - VoIP:
Customizable VoIP session for audio streaming (including multicast) and full-IP remote control. - Remote control via RS232 and RS422:
Fully concurrent with IP and VoIP control. - BITE:
Self-monitoring of internal parameters and auto-recovering when fault condition disappears (non-volatile alarm log memory). Alarm signalling on TCP/IP connections, RS232 and RS422, SNMP traps. - Data-link function:
9600 bit/s on 25 kHz channels. - Full-duplex capable
- 600-Ohm dedicated analog input, output and recorder lines
- On-site operation:
Keyboard, display and microphone plug for quick on-site tests. - Modularity:
High modularity for easy maintenance. - Resilience:
External structure in aluminium with high immunity to shock and vibrations.
- Frequency range: 156.025 ÷ 162.025 MHz
- Extended optional range: 146 ÷ 174 MHz
- Channel spacing: 25 kHz and 12.5 kHz
- Modulation type: PM (F3E/G3E)
- Frequency accuracy: Better than 1 ppm
- Switching time Rx/Tx: 10 ms
- Power supply: 19.6 ÷ 31.2 Vdc
- Dimensions (H x W x D): 173 x 96 x 277 mm
- Weight: 2.5 kg
- Operating temperature: -20 °C ÷ +55 °C
- Storage temperature: -40 °C ÷ +70 °C
- Humidity: 95% with T: +25 °C ÷ +55 °C