IBM H80 Series Personal Computer User Manual


 
Additional Communication Attributes
The following communication attributes apply to 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).
Stop bit 1 1 1 Places a bit after a data word
(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 100ms for
the system unit to respond.
100 RS/6000 Enterprise Server Model H80 Series User's Guide