JRC JCY-1800 - Common Buttons on SYSTEM Screen

4. Cabling
JCY-1800/1850 VDR/S-VDR Installation Guide
78
DOC No. 7ZPJD0387C
4.3.3. Digital Signal Converter NCT-72/63 – Recording Control Unit NDV-1800/1850
1) Communication line
Connect the serial data line to ch13 through ch16 of the RCU. For each Digital Signal Converter, two
way communications port is needed to allow the writing of the setting information or the updating of
the software version.
Connection table: Communication line for RCU
RCU
Term #
DSC
Term #
Signal Name
CQD-2040
TB402
[CH-13 to 16]
CDJ-2333
TB101 [422]
1/6/11/16 [RX+] 1[TX+] NMEA OUTPUT (Positive)
2/7/12/17 [RX-] 2[TX-] NMEA OUTPUT (Negative)
3/8/13/18 [TX+] 4[RX+] INPUT FOR SETTING (Positive)
4/9/14/19 [TX-] 5[RX-] INPUT FOR SETTING (Negative)
5/10/15/20 [GND] 3[GND] GND
Cable Cramp Cable Cramp SHIELD
Cable Specification 4 (pairs) x twist pair x 0.75 mm
2,
, Shielded
Default interface condition:
Signal type EIA-422/EIA-485
Baud rate 4800 bps
Data bits 8 (d7=0)
Parity None
Start bits 1
Stop bits 1
2) Power source
Connect the power supply line of the DSC to the AC output terminal of RCU.
Connection table: Power line from RCU
DSC
Term #
RCU
Term #
Signal Name
TB1 on PCB AC IN TB102 AC OUT
1 [U] 1 [U] AC Line U (AC85V~132V, AC170V~265V)
2 [V] 2 [V] AC Line V (AC85V~132V, AC170V~265V)
3 [E] 3 [E] SHIELD
Cable Specification 2 (wires) x 2.5 mm
2
, shielded