
NCR RealScan 7882 Installation and Owner Guide
Auxiliary RS-232  Port
The Auxiliary 
Auxiliary RS-232  Port
Pin Number  | Signal Name  | 
1  | +5 Vdc  | 
2  | NC  | 
3  | GND  | 
4  | TXD  | 
5  | RXD  | 
6  | + 12 Vdc  | 
7  | CTS  | 
8  | RTS  | 
9  | Frame  | 
10  | Frame  | 
NCR RealScan 7835/7836
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NCR RealScan 7837
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The NCR 7882 auxiliary 
Baud Rate  | 4800 (9600 before SN   | 
Parity  | Odd  | 
Stop Bits  | 1  | 
Number of Data Bits  | 7  | 
Hardware Handshaking  | None  | 
Terminator Character  | CRLF | 
d  | |
d  | |
EAN 8 Prefix Character  | d  | 
EAN 13 Prefix Character  | d  | 
Code 128 Prefix Character  | f  | 
Code 39 Prefix Character  | a  | 
Interleaved 2 of 5 Prefix Character  | b  | 
Note: ASCII data cannot be sent from the auxiliary 
When a 7836 is attached to a RealScan 7882, the 7836 requires the following programming.
•Reset to serial (default values) – Label ZA
•Enable code ID (default values) – Label FB
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