Wiring details

8-pin header on the printed circuit board attached to the BLM chamber

pin nrcablesignal
1--
2white/orange+5V
3greenGND
4orange-5V
5blue/whiteOUT+
6blueOUT-
7brown/whiteTEST-
8brownTEST+

Connector on cable from chamber to junction box (D9)

pin nrcablesignal
1--
2white/orange+5V
3greenGND
4orange-5V
5blue/whiteOUT+
6- -
7brownTEST+
8brown/whiteTEST-
9blueOUT-

Connector on signal cable at ET (D9, labeled sensor-1)

pin nrcablechannel
1blue/white1+
2blue1-
3brown/white3+
4brown3-
5GND-
6orange/white2+
7orange2-
8green/white4+
9green4-

Connector on signal cable at ET (D9, labeled sensor-2)

pin nrcablechannel
1blue/white5+
2blue5-
3brown/white7+
4brown7-
5GND-
6orange/white6+
7orange6-
8green/white8+
9green8-

Connector on cable at ET (D9, labeled test)

pin nrcablechannel
1blue/whiteTEST1+
2blueTEST1-
3brown/whiteTEST2+
4brownTEST2-
5GND-
6orange/white-
7orange-
8green/white-
9green-

Power connector at ET (D9)

pin nrcablechannelsignal
1blue/white1+12V
2blue1+12V
3brown/white2+12V
4brown2+12V
5GND--
6orange/white1-12V
7orange1-12V
8green/white2-12V
9green2-12V