Specifications

NCR RealScan 7883 Installation and Owner Guide
02/05 497-0424789 Release H
36 of 76
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