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8. Peripheral Unit Drive Circuit
Peripheral unit drive circuit connector only connects to peripheral units such as cash drawers,
etc.
Do not connect it to a telephone.
Use cables which meet the following specifications.
Peripheral Drive Connector
Pin
Signal
No.
name
FG
Frame ground
DRD
Drive signal
+4V
4
+4V
5
DRD
Drive signal
6
DRSNS
Sense signal
Drive circuit
The recommended drive unit is shown below.
6-P Modular
jack connector
Reference
2SD 1866 Circuit Configuration
B
R3
R4
Function
I/O
direction
—
OUT
Drive power
OUT
Drive power
OUT
OUT
IN
F.G
TR1
M-GND
TR2
6 1
M-GND
+5V
TR3
C
E
Modular plug
Modular plug: MOLEX 90075-
0007, AMP641337, or FCI B-66-4
1
2
D1
3
+24V
7824
4
D2
5
R1
6
R2
Printer side
Drive Output: 4V, Max. .0A
TR, TR:
R=0k W
R=k W
– –
With shield
Peripheral unit
L1
R3
L2
1/4W
Peripheral
unit 2
Compulsion
switch
Frame
ground
User side
Transistor SD66 or equivalent
Shield
Wire lead
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