– 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