IRIS IRMA MATRIX 2

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IRMA MATRIX
R2 CAN Installation manual
released
Rev. 1.6
2018-09
6.2 IRMA gateway power supply
Cable K-A21-P-XX-xm is connected to the vehicle on-board network.
The supply of 12 V DC is not permissible; a step-up transformer is required in addition.
Table 5: Pin assignment of "P" connector
Pin Assignment Wire color Use
Pin 1
+
Red
IRMA gateway power supply:
24 V DC or 12 V DC (10 - 32 V DC)
Pin 2
-
Black
IRMA gateway power supply also VP- or GND
Pin 3
+
Red
Power transmission (gateway 2)
Pin 4
-
Black
Power transmission (gateway 2)
• The cable connector is connected to the "P" connection of the IRMA gateway.
• The LED on the IRMA gateway should light up green after a short initialization.
• The voltage can be transmitted to other IRMA gateways by using the free contacts 3 and
4 of the connector.