NoteConnects toDescriptionConnector and
pin #
Buzzer powerJ22
Side 1
8V1
Buzzer 12
CAT buzzerJ23
GND1
Buzz CAT2
Wayne VacNot used with HelixJ24
IEC uses J14 for pump control
Datalink/Current LoopJ25
DATA +1
DATA -2
Laptop connectionJ26
Push Buttons
ResetSW4
BootstrapSW6
Cold StartSW5
IEC used to access program-
ming
CRCSW1
IEC
Must be to the Left position for
normal operation.
To the Right position for pro-
gramming.
ProgrammingSW2
NA Must always be to the
Right position.
Jumpers
IEC useRS-485S12-A
IEC useRS-422S12-B
IEC useHW RetS12-C
IEC and NA use. Jumper must
be present for POS communi-
cations
CLS12-D
Note: SW13A to D, and
SW14A to D must have
jumpers in place for WIP com-
munications.
SW13A to D,
SW14A to D
36 WM048523 Rev 08 01/2019
4 Board Layout and Connector Descriptions
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