Connecting Communications Cables; Figure 5 3-Pin Mini Din Plug; Table 10 Serial Interface Pin Out; Table 11 Parallel Interface Pin Out - TransAct Ithaca 280 Programmer's Manual

Setup Procedures
External Supply
If an external supply is used a 3 pin mini DIN plug is provided for the external 24 Volt supply.

Connecting Communications Cables

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The iTherm 280 has a number of different communications interfaces.
Serial
The serial interface connector is either a 9-pin or 25-pin mail D shell interface. The pin-out is
shown below
9-pin
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8

Table 10 Serial interface pin out

Parallel
The parallel interface connection is very similar to the serial interface connection. It can be a
36-pin Centronics (IEEE 1284-B) or a 25-Pin female D-Shell (IEEE 1284-A) connector. The pin-
out of both connectors are shown below
25-pin
Connector
Pin 1
Pins 2-9
Pin 10
Pin 11
Pin 12
Pin 13
Pin 14
Pin 15
Pin 16
Pin 17
-
Pins 18-25

Table 11 Parallel interface pin out

Page 34
Earth Ground
+24 Vo lt Supply
Ground (+24 V dc)

Figure 5 3-pin mini DIN plug

25-pin Signal
Pin 3 RX
Pin 2 TX
Pin 20 DTR
Pin 7 GND
Pin 6 DSR
Pin 4 RTS
Pin 5 CTS
36-pin Signal
Connector
Pin 1 STROBE
Pins 2-9 D0 - D7
Pin 10 ACK\
Pin 11 BUSY
Pin 12 PE
Pin 13 SLCT
Pin 14 AUTOFD
Pin 32 FAULT\
Pin 31 INIT\
Pin 36 SLIN
Pin 17 FG
Pin 18 +5V
Pins 16, 19-30 GND
Rev K
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iTherm 280 Programmer's Guide
Description
Receive Data
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request to Send
Clear to Send
Description
Clock data to printer
Data
Printer accepted data
Printer busy
Paper Out/Status
Printer selected
Auto-feed paper
Printer error
Initialize printer
Select printer
Frame ground
Peripheral logic high
Ground
Direction
Host to Printer
Host to Printer
Printer to Host
Printer to Host
Printer to Host
Printer to Host
Host to Printer
Printer to Host
Host to Printer
Host to Printer
Printer to Host
Printer to Host