IBM B50 manual Additional Communication Attributes, Setup 11/31/41/51/61 Settings Attributes

Additional Communication Attributes

The following communication attributes are for the 3151, 3161, and 3164 terminals.

Communication

3151

3151

3161/3164

Description

Setup

/11/31/41/51/61

Settings

Attributes

Settings

Settings

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

9600

9600

Uses the 9600 bps (bits

per

bps

bps

bps

second)

line

speed

to

communicate

with

the

system

unit.

Word

length

8

8

8

Selects eight bits as a data

(bits)

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

CR

CR

CR

Selects

the

carriage

return

character

(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

500

500

500

The terminal sends a Break

(ms)

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.

5-67046 Model B50 User's Guide