Specifications

San Jose Technology, Inc. ｜11F., No.2, Sec. 4, Jhongyang Rd., Tucheng City, Taipei County 236, Taiwan
(R.O.C.) ｜Tel: [phone]｜Fax: [phone]｜[e-mail]
15
www.sanav.com
5.2 Serial Port Input/Output
There are two serial ports, one presenting NMEA (RS422) format and the other
RS232 format. Data can be input from either or both ports.
The serial port interface(s) output:
• At power-up boot-loader and main application splash text screens including
version numbers and memory status.
• As a VHF Data Link Message (VDM) all incoming VHF Data Link (VDL) data
received by the AIS700.
• The VHF data link own vessel (VDO) messages sent by the AIS700 over the
VHF Data Link.
• AIS regional channel assignment messages (ACA) received. These are
derived from an incoming VHF Data Link message (message 22) or a DSC
message.
• AIS channel management information source (ACS) messages.
• Alarm messages (ALR).
The data interface will accept
• Personality programming messages
• Alarm acknowledgement messages (ACK)
5.3 Power Up Messages
On power up the unit will report details of the firmware versions residing in the unit.
5.4 VHF Data Link Messages (NMEA 0183 VDM)
Receipt of a VHF Data Link (VDL) message on either AIS radio channel causes a VDM
message to be output via the data port.