
NCR RealScan 7883 Installation and Owner Guide
497-0424789 Release F
04/04
35 of 75
Communications Protocol
The Communications Protocol function identifies the communications protocol the RealScan 7883 is using. Scan the
Diagnostics Mode
and
Hex 3
programming tags (must be first tags scanned after applying power). Three beeps sound
after scanning the
Hex 3
tag, identifying the programming tag. Next, the Status Indicator flashes green and a series of
beeps sound that identify the communications protocol. Use the following table to determine the communication protocol.
Tone Communication
Protocol
3 Beeps
IBM 468x (4A)
4 Beeps
IBM 468x (4B)
6 Beeps
RS-232
? Beeps
Keyboard Wedge
Scan the
Hex 3
tag to repeat; remove power to end.
Programming Worksheet
10 Communications Protocol (Options 4 and B not
supported yet)
20552
Protocol
IBM
Slot Scanner
3
IBM
Hand-Held
Bar Code
Reader
4
RS-232
5
IBM 1520
Bar Code
Reader
B
IBM USB
D
NCR
(RS-232)
USB
E 0