4. Cabling
JCY-1800/1850 VDR/S-VDR Installation Guide
75
DOC No. 7ZPJD0387C
4.2.14. Recording Control Unit NDV-1800/1850 – GPS Switch/RADAR Switch
When the RCU is connected to either the GPS Switch or the RADAR Switch, it receives dry contact
feedback signals from the switch. These signals enable the RCU to display which of the GPS or the
RADAR devices is connected to it.
These select input ports can use general dry contact input ports when these ports not use as GPS (or
RADAR) signal select input ports.
Connection table for GPS Switch or RADAR Switch (or general dry contact output unit):
RCU
Term #
GPS switch etc.
Remarks
CQD-2040
TB406
SELECT
9 [PI1+] RADAR Select Signal or Dry Contact Input 1
10 [PI1-] RADAR Select Signal or Dry Contact Input 1
11 [PI2+] RADAR Select Signal or Dry Contact Input 2
12 [PI2-] RADAR Select Signal or Dry Contact Input 2
13 [PI3+] GPS Select Signal Dry Contact Input 3
14 [PI3-] GPS Select Signal Dry Contact Input 3
Cable Specification 2 (wires) x 0.75 mm
2
Radar selection table by dry contact state
P11 PI2 Ch1 RADAR Ch2 RADAR
Close Open Recording
Open Close Recording
Open Open Auto selecting
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