Peripheral Unit Drive Circuit - Star Micronics TSP100 Hardware Manual

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
Signal
Pin No.
name
1 FG
2 DRD1
3 +24V
4 +24V
5 DRD2
6 DRSNS
Drive circuit
The recommended drive unit is shown below.
6 1
6-P Modular jack
connector
Reference
2SD 1866 Circuit Configuration
B
R3
R3 = 3.5kΩ
R4 = 300Ω

9. Peripheral Unit Drive Circuit

Function
direction
Frame ground
Drive signal 1
Drive power
Drive power
Drive signal 2
Sense signal
F.G
TR1
+24V
M-GND
TR2
M-GND
+5V
TR3
R2
C
R4
E
I/O
Modular plug
Modular plug: MOLEX 90075-0007,
AMP641337, or BURNDY B-66-4
—
OUT
OUT
OUT
OUT
IN
1
2
D1
3
7824
4
D2
5
R1
6
Printer side User side
Drive Output: 24V, Max. 1.0A
TR1, TR2: Transistor 2SD1866 or equivalent
R1=10 kΩ
R2=33 kΩ
– 30 –
Shield
With shield
Peripheral
L1
unit 1
R3
4.7kΩ
L2
1/4W
Peripheral
unit 2
Compulsion
switch
Frame
ground
Wire lead