Lexmark 752e Technical Reference - Page 335
Table 8-4, Dedicated Serial Connector Pin Assignments RS-232C Continued, Logic Ground
View all Lexmark 752e manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 335 highlights
8-26 Interfaces Table 8-4: Dedicated Serial Connector Pin Assignments (RS-232C) (Continued) Pin Signal Direction Description 4 RTS Out Request to Send. The printer sets this signal high and the signal remains high while the printer is on. 5 CTS In Clear to Send. This pin is optionally used for serial data flow control protocol when in serial mode. 6 DSR In Data Set Ready. This pin is optionally used for data validation, depending on the Honor DSR setting, or flow control, depending on the Serial Protocol setting. 7 GND Logic Ground 20 DTR Out Data Terminal Ready. This pin is optionally used for serial data flow control protocol when in serial mode.
Interfaces
8-26
4
RTS
Out
Request to Send. The printer sets this signal high and the
signal remains high while the printer is on.
5
CTS
In
Clear to Send. This pin is optionally used for serial data flow
control protocol when in serial mode.
6
DSR
In
Data Set Ready. This pin is optionally used for data
validation, depending on the Honor DSR setting, or flow
control, depending on the Serial Protocol setting.
7
GND
Logic Ground
20
DTR
Out
Data Terminal Ready. This pin is optionally used for serial
data flow control protocol when in serial mode.
Table 8-4:
Dedicated Serial Connector Pin Assignments (RS-232C) (Continued)
Pin
Signal
Direction
Description