
Chapter 6: Communication Interface 6-5
No Delay after Each Line
Characters/Line Lines/Receipt Transmit Time
(19.2 K Baud)
Process Time*
20 20 0.2 Seconds 0.5 Seconds
20 40 0.4 Seconds 1.0 Seconds
44 20 0.44 Seconds 0.5 Seconds
44 40 0.88 Seconds 1.0 Seconds
RS-232C Communications
The 7158 offers an industry standard RS-232C serial point-to-point
interface, with options available to the user.
Options that may be set through the Configuration Menu are:
• The baud rate of 115200, 57600, 38400, 19200, 9600, 4800, 2400, or
1200 baud
• The number of data bits to seven or eight
• The number of stop bits to one or two
• Enable or disable parity
• The flow control to software (XON/XOFF) or Hardware
(DTR/DSR)
• Set the printer to ignore data errors or print a “?” upon
encountering an error
RS-232C Interface Timing
Receiving data, DTR/DSR or XON/XOFF selected:
[DTR MARK] - Between power on and ready to accept data.
- In an error state.
- Remaining space in the 4K buffer falls below 256 bytes. *
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