Nmea-0183 Input Sources (Complies With Iec 61162-1 - Nera F33 Getting Started

GETTING STARTED USER MANUAL

NMEA-0183 input sources (complies with IEC 61162-1)

Intended for backup GPS. The internal GPS located in the antenna will always be used as
the primary source. If the primary source is not receiving GPS signals, the external GPS
input will be used (if enabled). NMEA-0183 input is not required for operation of Nera F33.
The NMEA-0183 (ver. 3.00) input is a 4 - 15 V current loop
interface located on the connector panel of the MCU.
Data input format:
Baud rate 4800
Data bits 8, parity none, stop bit 1
Heading input is not required
Recognized GPS time, position and fix data format:
Recognized NMEA-0183 data format:
Nera F33
APPENDIX A - INSTALLATION
USB
NMEA INPUT
External NMEA
is activated from
the Nera ISDN
Handset:
'
CONT D
ISDN
ISDN
RS-422
OK
OK
A-17