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14 C3468M (4/10)
3. Connect the auxiliary, alarm, and other wiring to the back box circuit board (refer to Figure 9).
NOTES:
• Aux 1: Maximum 2 A at low voltage (<40 V)
Aux 2: Maximum 30 mA at 32 VDC
• If you are installing an environmental back box in a railway application, attach a ground wire
from the circuit board power connector to a structural ground using at least 18-gauge wire.
Figure 9. Connect the Wiring to the Circuit Board
VIDEO
UTP+ UTP-RX- RX+ TX+TX-PWR- PWR+GND
AUX2
GND
GND
NO
NC
COM
7
6
5
4
3
2
1
ALARMS
AUX1