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ADVANCED OPERATION GUIDE 5-7
RS-232C Protocol
Parameters of the RS-232C Protocol
A protocol is a set of rules the computer follows in sending data to the
printer. They are indicated on the status page. Parameters can be changed
from the operation panel. Refer to Changing Serial Interface Modes on
page 2-36. The parameters and their identification codes are given below.
• H1: Baud rate
• H2: Number of data bits
• H3: Number of stop bits
• H4: Parity
• H5: Protocol logic
• H6: Buffer-nearly-full threshold
• H7: Buffer nearly-empty threshold
• H8: Received data buffer size
This following section outlines the parameters and their values you can
select on the operation panel:
H1: Baud rate
The factory default setting is 9600 baud.
H2: Data bits
7 or 8; the factory default setting is 8.
H3: Stop bits
1 or 2; the factory default setting is 1.
Parameter value Baud rate
12 1200
24 2400
48 4800
96 9600
19 19200
38 38400
57 57600
11 115200