Appendix F.
Additional Communication Attributes
The following communication attributes are for the 3151, 3161, and 3164 terminals.
Communication
Setup Attributes
3151/11
/31/41)
Settings
3151
/51/61,
Settings
3161 /3164
Settings
Description
Operating mode Echo Echo Echo Data entered from the keyboard
on the terminal is sent to the
system unit for translation and
then sent back to the display
screen. Sometimes called
conversational mode
.
Line speed 9600 bps 9600 bps 9600 bps Uses the 9600 bps (bits per
second) line speed to
communicate with the system
unit.
Word length (bits) 8 8 8 Selects eight bits as a data word
length (byte).
Parity No No No Does not add a parity bit and is
used together with the word
length attribute to form the 8-bit
data word (byte).
Stopbit 111Placesabitafteradataword
(byte).
Turnaround character CR CR CR Selects the carriage return (CR)
character as the line turnaround
character.
Interface EIA-232 EIA-232 EIA-232 Uses the EIA-232 interface
protocol.
Line control IPRTS IPRTS IPRTS Uses the ’permanent request to
send’ (IPRTS) signal to
communicate with system unit.
Break signal (ms) 500 500 500 The terminal sends a break signal
to the system unit within 500 ms
after the Break key is pressed.
Send null suppress On On Trailing null characters are not
sent to the system unit.
Send null On Trailing null characters are sent to
the system unit.
Response delay (ms) 100 100 100 The terminal waits for 100 ms for
the system unit to respond.
67
To Next Page
Loading...
