VR3 CONNECTIONS (1 CELL)
WARNING - VR3 CABLES REQUIRE A DISCRETE COMPONENT IN THE CONNECTOR TO WORK CORRECTLY. DO NOT ATTEMPT TO MAKE YOUR OWN VR3 CABLE UNLESS YOU FIT THIS COMPONENT.
Below is a close up view of the pins inside the connector. Take note of the crescent shape in the connector which is to locate the connector in the correct orientation and helps you with pin identification 
Below is the cable cores after the outer shielding is stripped off
there is 4 cores BUT ONLY 2 ARE USED FOR THE VR3
THIS IS FOR THE BELDON CABLE ONLY
1 WHITE that is connected to pin# 3 in the connector and is POSITIVE
2 BLUE that is connected to pin# 1 in the connector and is NEGATIVE
3 WHITE/blue this conductor is not used for the VR3
4 BLUE/white this conductor is not used for the VR3 
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SHEARWATER CONNECTIONS (3 CELL)
Below is a close up view of the pins inside the connector, take note of the crescent shape in the connector is is to locate the connector in the correct orientation and helps you with pin identification 
Below is the cable cores after the outer shielding is stripped off
there are 4 cores all of which are used
WHITE/BLUE (PIN2) CELL1
WHITE (PIN 3) CELL 2
BLUE/WHITE (PIN 4) CELL 3
BLUE (PIN 1) GROUND 
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Below is a R22 o2 cell note the orientation of the positive and negative cell pins 
Below is the newer R22D-AP cell fitted with the SMB connector.
This cell is used in APD's vision and evolution rebreathers as well as our DEEP PURSUIT™ and has a much superior connector
the center of the connector is POSITIVE
and the out part is NEGATIVE 
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We now use a very tough water stopped cable
It has 9 cores but we only use 4 cores for cable assemblys,
The cores we use are
Common: BLACK
Cell 1: RED
Cell2: BROWN
Cell3: PURPLE
The other cores are not used
Last Updated: July 17, 2009