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NCR RealScan 7882 Installation and Owner Guide
497-0419630 Release F 09/02
9 of 62
Auxiliary RS-232 Port
The Auxiliary RS-232 Port provides a connection for an RS-232 device such as a
RealScan 7837 Hand-Held Scanner. The following table gives wiring information about
the connector.
Auxiliary RS-232 Port
Pin Number Signal Name
1 +5 Vdc
2NC
3GND
4TXD
5RXD
6 + 12 Vdc
7CTS
8RTS
9Frame
10 Frame
NCR RealScan 7835/7836
•
1416-C313-0040 – Interface Cable
•
1416-C397-0010 – Extension Cable
NCR RealScan 7837
•
1416-C445-0025 – Interface Cable
•
1416-C397-0010 – Extension Cable
The NCR 7882 auxiliary RS-232 port hardware is limited to the following fixed
parameters.
Baud Rate 4800 (9600 before SN 40-36009427)
Parity Odd
Stop Bits 1
Number of Data Bits 7
Hardware Handshaking None
Terminator Character CRLF
UPC-A Prefix Character d
UPC-E Prefix Character 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 RS-232 port when the RealScan
7882 is set for OCIA Short format. In this case, the RealScan 7882 generates an error
beep.
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