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©Vecow SPC-4000 User Manual
GETTING TO KNOW YOUR SPC-4000
2.3.2.2 Power Terminal Block
This system supports 12V DC only power (SPC-4020) and 9V to 36V (SPC-
4020A) input by terminal block in the rear side. In the normal power operation,
power LED lightens in solid green and supports up to 65V surge protection.
Pin No.
Definition
Pin No.
Definition
1
V+
2
V-
3
Chassis Ground
V+ V
DC-IN 9~36V
Switch
On | Off
Isolated
COM 1
Isolated
COM 2
COM 3
COM 4
SPC-4020A
V+ V
DC-IN 12V
Switch
On | Off
Isolated
COM 1
Isolated
COM 2
COM 3
COM 4
SPC-4020