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Troubleshooting guide (continued) – Metrologic Instruments MS7120 Series User Manual

Page 30

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26

Troubleshooting Guide (continued)

RS-232 only

SYMPTOMS

POSSIBLE CAUSE(S)

SOLUTION

Power-up OK

Com port at the host is not

Check to make sure that the baud rate

and scans OK

working or configured

and parity of the scanner and the

but does not

properly

communication port match and the

communicate

program is looking for “RS-232" data

properly to the
host

Power-up OK

Cable not connected to the

Check to make sure that the baud rate

and scans OK

proper com port

and parity of the scanner and the

but does not

communication port match and the

communicate

program is looking for “RS-232" data

properly to the
host

Power-up OK

Com port not operating

Check to make sure that the baud rate

and scans OK

properly

and parity of the scanner and the

but does not

communication port match and the

communicate

program is looking for “RS-232" data

properly to the
host

The host is

The scanner and host may

Check that the scanner and the host

receiving data

not be configured for the

are configured for the same interface

but the data does

same interface font

font

not look correct

Characters are

Intercharacter delay needs

Add some intercharacter delay to the

being dropped

to be added to the

transmitted output by using the

transmitted output

MetroSelect Programming Guide
MLPN 2407