RS232 Serial Communications Interface PCB

The RS232 Serial interface connector is a 14 position Molex Minifit Jr®., part number 39-30-1140,

which mates with Molex part number 39-01-2140 or equivalent.

Serial Communication PCB Pin-Outs

PIN#FUNCTIONI/O
1MREST (Active Low)I
2Not ConnectedN/C
3+12 VDCI
4Not ConnectedN/C
5GND
6+24 VDC
7GND
8+24 VDC
9Bezel Lamp – Switched +24 VDCO
10FGND
11RS232 RXDI
12RS232 TXDO
13DTRO
14RTSO

Default Communication Settings

The RS-232C interface default configuration settings are:

Baud Rate: 9600 BPS

Data Bits: 8 Bits

Parity: None

Stop Bits: 1

Handshaking: XON/XOF

Receive Error: Prints

Input Buffer 8,192 bytes

These communications settings may be altered only through the use of the CONFIG program, special printer

configuration software available from TransAct. Contact TransAct Technical Support for further information

on this utility.

USB Communications Interface PCB

The USB Communications PCB contains two connectors.

  • Power – 4 position Molex Minifit Jr®., part number 39-30-1040, which mates with Molex

     part number 39-01-2040 or equivalent.

  • USB Communications – Type B USB connector

USB Communications PCB Pin-Outs

USB Connector
PIN #FUNCTIONI/O
1VBUS
2D-I/O
3D+I/O
4GND
Power Connector
PIN #FUNCTION
1+24 VDC
2GND
3GND
4FGND
Table 2. USB Communication PCB Pin-Outs

NETPLEX Communications Interface PCB

The NETPLEX Communications interface connector is a 10 position Molex Minifit Jr®., part number 39-30-1100,

 which mates with Molex part number 39-01-2100 or equivalent.

NETPLEX Communication PCB Pin-Outs

PIN #FUNCTIONI/O
1MREST (Active Low)I
2RXDI
3+12 VDCI
4TXDO
5SGND
6+24 VDC
7GND
8+24 VDC
9Bezel Lamp – Switched +24 VDCO
10GND
Table 3. NETPLEX Communication PCB Pin-Outs

Universal USB/NETPLEX Communications Interface PCB

The Universal USB/NETPLEX interface supports both USB and NETPLEX communications.

This interface contains three connectors: 

  • Power – 4 position Molex Minifit Jr®., part number 39-30-1040, which mates with Molex

      part number 39-01-2040 or equivalent.

  • NETPLEX communications- 6 position Molex Minifit Jr®., part number 39-30-1060, which mates with

      Molex part number 39-01-2060 or equivalent.

  • USB Communications – Type B USB connector.

Universal USB/NETPLEX Communication PCB Pin-Outs

USB Connector

PIN #FUNCTIONI/O
1VBUS
2D-I/O
3D+I/O
4GND

Power Connector

PIN #FUNCTIONI/O
1+24 VDC
2GND
3GND
4FGND

NETPLEX Connector

PIN #FUNCTIONI/O
1MREST (Active Low)I
2RXDI
3+12 VDCI
4TXDO
5SGND
6Bezel Lamp – Switch +24 VDCO
Table 4. Universal USB/NETPLEX Communication PCB Pin-Outs

Dual Port NETPLEX Communications Interface PCB

The Dual Port NETPLEX Communications interface contains three connectors:

  • NETPLEX Communications. – 10 position Molex Minifit Jr®., part number 39-30-1100 for NETPLEX

      connections which mates with Mole part number 39-01-2100 or equivalent.

  • I2C Communications – 2 modular RJH connections The connectors are electrically connected to allow daisy

      chaining of multiple devices.

NETPLEX Communication PCB Pin-Outs

PIN #FUNCTIONI/O
1MREST (Active Low)I
2Not ConnectedN/C
3+12 VDCI
4Not ConnectN/C
5GND
6+24 VDC
7GND
8+24 VDC
9Bezel Lamp – Switch +24 VDCO
10GND
Port NELTPLEX Communication PCB Pin-Outs

I2C Port

PIN #FUNCTIONI/O
1RESETI
2SCLI
3SDAI/O
4GND

Dual Port RS232 Communications Interface PCB

The Dual Port RS232 Communications interface contains three connectors:

  • RS232 Communications14 position Molex Minifit Jr®., part number 39-30-1140 which mates with Molex

          part number 39-01-2040 or equivalent.

  • I2C Communications -2 two modular RJH connections for a secondary I2C port. The two modular connectors

           are electrically connected to allow daisy chaining of multiple devices.

NETPLEX Communication PCB Pin-Outs

RS 232 Connector

PIN #FUNCTIONI/O
1MREST (Active Low)I
2Not ConnectedN/C
3+12 VDCI
4Not ConnectedN/C
5GND
6+24 VDC
7GND
8+24 VDC
9Bezel Lamp – Switch +24 VDCO
10FGND
11RS232 RXDI
12RS232 TXDO
13DTRO
14RTSO

I2C Port

PIN #FUNCTIONI/O
1RESETI
2SCLI
3SDAI/O
4GND

Bezel Lamp Connector

The bezel connector is a Molex Minifit Jr®, part number 39-01-4032 and will mate with a Molex

part number 39-01-4030 or equivalent.

Figure 11. Bezel Lamp Connector Location and Connector Information 

Bezel Lamp Connector Pin-Outs

PIN #FUNCTION
1Modulated +24VDC
2Not Connected
3GND