TN - How to wire a handheld reader to the QX-870

Summary/Issue Description

How to wire a handheld reader through the QX-870 reader port.

Possible Reasons to do this: Flexibility and Versatility, Redundancy and Reliability, Ease of Use, Data Integration, Cost-Effectiveness.

Solution

Wire the A connector up to a DB-9 male for simplest wiring to a handheld.

DB9      M12 (A)

5 -------- 7

2 -------- 9

3 ------- 10

(Note: The back panel picture below is for an Ethernet version QX-870)

Configure the data routing

** Note this will disable command processing on port A.

The scanner will need to be programmed on port B via RS-232 or Ethernet depending on your reader version, or defaulted to factory settings.

Parameters in ESP program

Communication

RS232 A

Symbol Data Output = Disabled

Extended Data = Disabled

Diagnostic Output = Disabled

External Source Processing Mode = Data

External Data Routing = Custom

Destination Port = TCP Port 1 (or 2)

Configure the port settings

Program the Baud Rate, Parity, Stop Bits, and Data Bits to match between the handheld and the QX-870 

Recommend changing the 870 to match the handheld reader, but either way will work.

Program the Suffix/Postamble in the handheld to CR only (no LF)

Date/Revision History

First Review 2/20/2025 V1.0

Author:

Brian Keenan, Technical Support Specialist

References