Troubleshooting Guide - Metrologic MS7120 Series Installation And User Manual

Troubleshooting Guide (continued)
RS-232 only
SYMPTOMS POSSIBLE CAUSE(S)
Power-up OK Com port at the host is not
and scans OK working or configured
but does not properly
communicate
properly to the
host
Power-up OK Cable not connected to the
and scans OK proper com port
but does not
communicate
properly to the
host
Power-up OK Com port not operating
and scans OK properly
but does not
communicate
properly to the
host
The host is The scanner and host may
receiving data not be configured for the
but the data does same interface font
not look correct
Characters are Intercharacter delay needs
being dropped to be added to the
transmitted output
26
SOLUTION
Check to make sure that the baud rate
and parity of the scanner and the
communication port match and the
program is looking for "RS-232" data
Check to make sure that the baud rate
and parity of the scanner and the
communication port match and the
program is looking for "RS-232" data
Check to make sure that the baud rate
and parity of the scanner and the
communication port match and the
program is looking for "RS-232" data
Check that the scanner and the host
are configured for the same interface
font
Add some intercharacter delay to the
transmitted output by using the
MetroSelect Programming Guide
MLPN 2407