DATA OPTIONS
2.4 KBIT/S DATA MODEM
ENVOY™ TRANSCEIVER REFERENCE MANUAL 299
2.4 kbit/s Data Modem
NOTE: The 2.4 kbit/s Data Modem option must be enabled in your Envoy™
Transceiver (X2 only).
This internal data modem provides an extremely robust, field-proven HF waveform
that is interoperable with Codan’s proprietary 3012 protocol and 3212 HF Data
Modem (operating in compatibility mode). It is particularly useful for long-range
communications in remote areas where existing communications are poor or
non-existent. It incorporates data compression to boost effective throughput and is
easily integrated with Codan voice and signalling networks.
This modem can be used with ALE and Selcall call systems. Voice links may be
established first, then a data exchange may be performed.
The modem is controlled by the connected computer using the UUPlus HF data
applications. Email is sent and received via your chosen email client, for example
Microsoft® Office Outlook®. For information on using UUPlus, please see the
documentation provided with the product.
Related links:
Data on page 132
Typical 2.4 kbit/s data station
A typical data station comprises:
• an Envoy™ X2 Transceiver with the 2.4 kbit/s Data Modem option enabled
(Codan part number 15-10559)
• a suitable 12 V DC power supply
• an antenna system
• a PC running UUPlus or suitable terminal program
NOTE: Software that operates on standard telephone modems should
operate over HF via the AT commands.
• appropriate connecting cables
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