Xerox 4520 - Manual (Page 104)

I n t e r f a c e M e n u
3-50 ❖ 4 5 2 0 / 4 5 2 0 m p U s e r ’ s G u i d e
DTR Polarity High*
Low
Serial port’s DTR (Data Terminal Ready) signal sent
from the printer to notify the host computer that it is
ready to receive data.
High is standard for most computers; it uses true logic
(+5 V).
Low is typically used on nonstandard equipment; it
uses inverted logic (0 V).
Data Bits 7
8*
Number of data bits in a character.
The Data Bits setting must match the
host computer data bits setting.
Parity None*
Even
Odd
How the parity bit is used in error checking.
The parity bit may be checked against the received
character by means of an
Even or Odd error checking
mechanism.
The Parity setting must match the host
computer parity setting.
Stop Bits 2
1.5
1*
Number of stop bits in each character. (Stop bits
signal the end of a character.)
The Stop Bits setting must match the
host computer stop bits setting.
Figure 3.13 Serial Menu options showing factory settings (continued)
Option Setting Description
Note
Note
Note
WUG-CH03 Page 50 Black,Red,Cyan Tuesday, March 21, 1995 4:54 PM