| Serial
interface:
Port 1: True RS-232 output, asynchronous serial input compatible
with RS-232 or TTL voltage levels, RS-232 polarity
Port 2: Asynchronous serial input only, compatible with RS-232
or TTL voltage levels, RS-232 polarity
Baud rates: 300/600/1200/2400/4800/9600/19200/38400
Serial format:
Port 1: Selectable between NMEA 0183 v2.00, NMEA 0183 v3.00,
and Garmin® binary formats; Approved output sentences: GPALM,
GPGGA, GPGLL, GPGSA, GPGSV, GPRMC, GPVTG; Proprietary sentences:
PGRMB, PGRME, PGRMF, PGRMM, PGRMT, PGRMV
Port 2: RTCM input only; RTCM SC-104 differential input message
types 1, 2, 3, 7 and 9
PPS output: 1 Hz pulse, programmable
width, 1 microsecond accuracy |