Simrad GC80 Compact Gyro - IOPT Board; Tb3; Tb4

TERMINAL LAYOUT
20221511 / D 87
10.2 IOPT board
TB3
PIN NO NAME DETAILS
1 ESSC
2 ESTX-
3 ESTX+
4 PRSC
5 PRRX-
6 PRRX+
Not connected
7 LSC Log serial signal input common
8 LRX-
9 LRX+
Log serial signal input (NMEA)
10 TKSC
11 TKTX-
12 TKTX+
Not connected
TB4
PIN NO NAME DETAILS
1 ESRX+
2 ESRX-
External sensor serial signal input
3 ESC External sensor serial signal common
4 RNCN1
5 RNCN2
Running contact signal output
6 GCCN+
7 GCCN-
Gyro select signal input (External switch)
8 ECCN+
9 ECCN-
External sensor select signal input (External
switch)
10 SEL1
11 SEL2
12 SELC
Not used