
W A S H S E L E C T I I
Document Number:
WS21002
167
Document Title:
WSII Operations Manual
J14 Misc Power Input
Pin
Description
1
5VDC Pass through power
2
GND for 5VDC Pass through power
3
24VAC Hot
4
24VAC Neutral
5
12VDC for I/O board
6
GND for 12VDC for I/O board
Note: J14 connects directly to J13 for power to bill validator and display I/O board.
J13 Misc Power to Display I/O board
Pin
Description
1
5VDC Pass through power for backlights
2
GND for 5VDC Pass through power backlights
3
24VAC Hot
4
24VAC Neutral
5
12VDC for I/O board
6
GND for 12VDC for I/O board
J9 Bill Validator (MDB Mode)
Note to Unitec Technicians: The following pin outs are reversed from the schematic to match
the pin numbering embossed in the MDB housing. Pin 1 on the housing equates to Pin 8 on
Unitec internal schematics.
Pin
Description
1
Not Connected
2
Not Connected
3
Signal Ground
4
MDB Tx
5
MDB Rx
6
Not Connected
7
24VDC Power
8
24VDC Power