9-3 
3-3) GPS Navigator 
(1) Serial Transmission 
 
Channel Specification  Notes 
DATA IN/OUT1  RS-422  Input or Output  NMAE, IEC, JRC   
DATA IN/OUT2  RS-422  Input or Output  NMEA, IEC, JRC   
DATA IN/OUT3  RS-422  Input or Output  NMEA, IEC, JRC   
RS-485  RS-485  Input / Output  NMEA, IEC   
 
(1-1) NMEA 
• Specification:   NMEA 
•  Version:    Ver1.5, 2.1, 2.3, 4.0 
•  Bit rate:    4800, 9600,19200,38400bps 
• Data bit:    8bit 
• Parity:    None 
• Start bit:    1bit 
• Stop bit:    1bit 
•  Output sentence :
 GGA,RMC,GLL,VTG,GSA,GSV,DTM,GBS,GRS,GST,ZDA,GNS,MSS
*
,ALR 
          APB,BOD,BWC,BWR,RMB,XTE,ZTG,RTE,WPL,ACK
 
•  Output interval:    1s, 2s, 3s, 4s, 5s, 6s, 7s, 8s, 9s, OFF 
 
        * : JLR-7900 only 
Note) Some combinations of output sentence, bit rate, and output intervals may not be possible. 
 
(1-2) IEC 
• Specification:  IEC61162-1 ed.4 
 
(1-3) JRC 
• Specification:   JRC 
• Bit rate:    1200bps 
• Data bit:    8bit 
• Parity:    None 
• Start bit:    1bit 
• Stop bit:    2bit 
 
 
 
(2) Contact signal 
 
 
 
 
 
Channel I/O  Notes 
CONTACT  OUTPUT  200p/NM, 400p/NM, ALARM, ACK 
CONTACT  INPUT  ACK, Input of external dimmer