JRC JCY-1800 Installation Manual page 88

4. Cabling
JCY-1800/1850 VDR/S-VDR Installation Guide
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 #
CQD-2040
TB402
[CH-13 to 16]
1/6/11/16 [RX+]
2/7/12/17 [RX-]
3/8/13/18 [TX+]
4/9/14/19 [TX-]
5/10/15/20 [GND]
Cable Cramp
Cable Specification
Default interface condition:
Signal type
Baud rate
Data bits
Parity
Start bits
Stop bits
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 #
TB1 on PCB AC IN
1 [U]
2 [V]
3 [E]
Cable Specification
DOC No. 7ZPJD0387C
DSC
Term #
CDJ-2333
TB101 [422]
1[TX+] NMEA OUTPUT (Positive)
2[TX-] NMEA OUTPUT (Negative)
4[RX+] INPUT FOR SETTING (Positive)
5[RX-] INPUT FOR SETTING (Negative)
3[GND] GND
Cable Cramp SHIELD
4 (pairs) x twist pair x 0.75 mm
EIA-422/EIA-485
4800 bps
8 (d7=0)
None
1
1
RCU
Term #
TB102 AC OUT
1 [U]
2 [V]
3 [E]
2 (wires) x 2.5 mm
78
Signal Name
2,
, Shielded
Signal Name
AC Line U (AC85V~132V, AC170V~265V)
AC Line V (AC85V~132V, AC170V~265V)
SHIELD
2
, shielded