User's Guide

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The connection examples for the inputs are shown in the next illustrations:
Input 1
Input 2
Input 3
Input 4
Pin 5 = Input 1 = PK
Pin 11 = Input 2 = GY/PK
Pin 3 = Input 3 = WH
Pin 12 = Input 4 = RD/BU
Pin 4 = INP_CMN = GN
+UB_external
GND_external
RRU 4xxx/ARU 3xxx/ARU 8500
Connection Box, Advanced
GPIO Cable 52010362/63
Pin 9
Pin 10
Pin 11
Pin 12
Pin 8
Fig. 33: DC-isolated inputs
Input 1
Input 2
Input 3
Input 4
Pin 5 = Input 1 = PK
Pin 11 = Input 2 = GY/PK
Pin 3 = Input 3 = WH
Pin 12 = Input 4 = RD/BU
Pin 4 = INP_CMN = GN
GND
RRU 4xxx/ARU 3xxx/ARU 8500
Connection Box, Advanced
GPIO Cable 52010362/63
Pin 9
Pin 10
Pin 11
Pin 12
Pin 8
Pin 6
Pin 6 = GND = YE
+UB
Pin 7 = VCC = BK Pin 5
Fig. 34: Inputs, not DC-isolated