Oki Pos 441 User Manual Page 37

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– 33 –
Modular plug
Pin
No.
Signal
name
Function I/O
direction
1 FG Frame ground
2 DRD1 Drive signal 1 OUT
3 +24V Drive power OUT
4 +24V Drive power OUT
5 DRD2 Drive signal 2 OUT
6 DRSNS Sense signal IN
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
Drive circuit
The recommended drive unit is shown below.
Drive Output: 24V, Max. 1.0A
TR1, TR2: Transistor 2SD1866 or equivalent
R1=10k
W
R2=33k
W
Reference
2SD 1866 Circuit Conguration
1 6
Wire lead
Modular plug: MOLEX 90075-
0007, AMP641337, or FCI B-66-4
Shield
User side
6 1
1
2
3
4
5
6
F.G
D1
D2
TR1
TR2
TR3
R2
+24V
7824
R1
+5V
R3
1/4W
M-GND
M-GND
L1
L2
6-P Modular
jack connector
With shield
Peripheral unit
Peripheral
unit 2
Compulsion
switch
Frame
ground
Printer side
E
C
R3 R4
B
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