IBM 9114-275 - IntelliStation POWER 275, Service Manual

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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).
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 100 ms for the
system unit to respond.
Additional Keyboard Attributes
The following keyboard attributes are for the keyboard attached to the 3151, 3161, and 3164 terminals.
Keyboard Setup
Attributes
3151/11
/31/41
Settings
3151 /51/61
Settings
3161 /3164
Settings Description
Enter Return Return Return The Enter key functions as the Return
key.
Return New line New line New line The cursor moves to the next line when
the Return key is pressed.
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IntelliStation POWER 9114 Model 275 Service Guide