Intermec Transaction Manager 9560, User Manual

Page: 290 / 309

9560 Transaction Manager User’s Manual
G-12
misread
bad read
A condition that occurs when the data output of a reader does not agree with
the encoded data presented.
modem
MOdular/DEModular; a device that converts one form of a signal to another
that is suitable for transmission over communication circuits, typically from
digital to analog and then from analog to digital.
Modulus 43 Check character
Check character derivation method for Code 39.
Multi-Drop protocol
Communications protocol similar to Polling Mode D, used when connecting
multiple readers to a port concentrator. In Multi-Drop, each reader on the line
must be assigned a unique POL and SEL character. Multi-Drop operates only
at 2400 baud or higher and cannot be modified.
multiple-read label
A bar code label that takes the form of <start code space data stop code>.
Multiple-read labels are stored in the reader’s buffer until a command to
transmit is received or until a regular label is scanned.
NEG
Negative Acknowledgement character
Indicates a negative acknowledgement to a message or event.
OCR
Optical character recognition.
online
An operation in which peripheral devices are connected directly to the
processing unit.
optical character recognition
The machine identification of printed characters through use of light-sensitive
devices.
PAK
Program Acknowledgment character
Sent from the reader when the received IRL program compiles with no errors.