JRC JCY-1800 Installation Manual page 37

2.2.5. Serial data（NMEA）
1) Wiring
It shall be wired the same as previous model (JCY-1700).
2) Reception lamp
There is not OK/NG lamp (Green/Red).
Reception status is shown on the maintenance software.
3) Operation panel unit
Error information of reception is shown by error code on operation panel unit.
(Therefore main unit lamp is not necessary to check.)
If error code is shown, the code means unit ID assigned every unit, not connection channel,
Unit ID is assigned by maintenance software.
E.g. GPS: Error code: 6041
60 = Serial data reception is NG.
41 = GPS unit ID
When "Other" is selected as unit ID, the connection CH is shown as error code.
2.2.6. Option unit
Connected equipment by RS-422 port
1) Connection CH
It shall be connected from CH13 to CH16.
When the option unit is connected, shall be connected in order of CH16, CH15, CH14 and CH13.
JCY-1800/1850 VDR/S-VDR Installation Guide
27
2. Installation Procedures
DOC No. 7ZPJD0387C