At&t Unix pc User manual

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UNIX PC

3.51

Asynchronous

Terminal

Emulation

Softwaz

This

section

contains

important

information

about

usi

Terminal

Emulation

version

3.51.

Please

review

th

information

before

using

the

Terminal

Emulator,

and

ke

it

with

your

AT&T

UNIX@ PC

Terminal

Emulation

User

Guide.

Page

numbers

below

refer

to

related

informati

in

this

guide.

BEW

FEATURES:

1

Page

3-11.

The

Terminal

Emulator

now

suppor

132-column

displays

for

VT100,

513BCT a

UNIXPC

emulations.

To

access

these,

sele

VT100-132,

513BCT-132

or

UNIXPC-132

in

t

Terminal

Type

field

on

the

Terminal

setup

for

2

Page

3-18.

Two

new

special

characters

a

available

for

send

strings

in

the

Auto-Log

Sequences

form.

In

an

SS

field,

\b

generat

a

break

character

and

\p

pauses

for

2

secon

before

transmitting

characters

to

the

host.

3

Page

4-5.

The

Local

Commands

menu

contains

new

entry

for

setting

tabs

during

a

termin

session.

The

tab

settings

remain

in

effect

f

the

current

session

only.

To

use

this

feature:

a

Access

the

host

computer,·

type

stty

ta

and

press

<Enter>.

b

Press

<Shift>-<Cmd>

to

show

the

Loc

Commands

menu.

c

Select

\Set

Tabs

\

and

press

<Enter>.

ruler

showing

the

current

tab

settin

appears

at

the

bottom

of

the

screen.

d

Using

the

left

and

right

arrow

keys,

mo

the

cursor

along

the

ruler

to

set

a

remove

tabs.

minal

Emulation

3.51

Important

Information

To

set

a

tab,

move

the

cursor

to

the

desired

column

and

press

<Enter>.

A T

appears

in

the

column

to

indicate

a

tab

stop.

To

remove

a

tab,

position

the

cursor

over

the

T

and

press

<Enter>.

The

T

indicator

disappears.

e To

save

the

tab

settings,

press

<Exit>.

You

can

change

these

settings

at

any

time

during

the

current

session.

If

you

want

to

make

a

ch~nge,

repeat

steps

b

through

e

above.

4

Page

4-3.

In

VT100

and

513BCT

emulations,

you

can

now

view

up

to

3

previously

displayed

screens.

To

scroll

or

page

through

these

screens,

use

these

key

combinations:

o

<Ctrl>-<up

arrow>

rolls

the

display

up,

revealing

one

line

at

a

time

from

the

top

of

the

screen.

o

<Ctrl>-<down

arrow>

rolls

the

display

down,

revealing

one

line

at

a

time

from

the

bottom

of

the

screen.

o

<Ctrl>-<Next>

displays

the

next

full

screen.

o

<Ctrl>-<Prev>

displays

the

previous

full

screen.

o

<Ctrl>-<Beg>

displays

the

first

24

lines

of

display

memory.

o

<Ctrl>-<End>

displays

the

last

24

lines

of

display

memory.

5

Page

4-21.

The

\stop

Printing

\

entry

in

the

Local

Commands

menu

now

allows

you

to

terminate

printing

that

is

turned

on

by

an

escape

sequence

sent

by

the

host

computer.

Terminal

Emulation

3.51

Important

Information

6

Page

A-5.

If

you

are

using

your

UNIX

PC

as

a

513BCT

terminal,

a

<Ctrl>-<J>

linefeed

character

is

generated

by

default

when

you

press

<Enter>.

Characters

sent

to

the

host

by

the

Enter

key

can

now

be

programmed

using

an

escape

sequence

sent

by

the

host

to

the

console:

<Esc>[21;nlxxxx

where

n

is

the

number

of

characters

in

the

sequence

(no

more

than

4)

and

x

is

the

character

or

characters.

-

7

Page

A-5.

The

VT100

terminal

escape

sequences

<Esc>H

and

<Esc>[g

are

now

supported,

but

you

must

first

enter

stty

tabs

and

press

<Enter>

while

on

the

host

system.

<Esc>H

sets

a

tab

stop

at

the

current

column

and

<Esc>[q

deletes

a

tab

stop

at

the

current

column.

8

Page

B-2.

If

you

use

your

UNIX

PC

as

a VT100

terminal,

eight

screen

keys

are

now

mapped.

The

first

four

keys

are

labeled

PF1, PF2,

PF3

and

PF4;

these

match

the

same

keys

on

the

VT100.

The

rest

are

labeled

UP,

DOWN,

LEFT

and

RIGHT.

These

correspond

with

the

VT100

cursor

keys

and

can

be

used,

for

example,

to

move

the

cursor

while

using

the

vi

editor.

TECHNICAL

TIPS:

1

Page

3-16.

Automatic

login

sequences

assume

that

an

error-free

path

exists

between

the

UNIX

PC

and

the

host

computer.

If

there

are

problems

with

communications,

auto-login

sequences

can

fail.

After

such

a

failure,

try

to

place

the

data

call

again.

If

auto-login

continues

to

fail,

check

the

communications

path

between

your

UNIX

PC

and

the

host

computer.

3

rermina1

Emulation

3.51

Important

Information

4

2

Page

4-2.

If

you

are

using

your

UNIX

PC

to

emulate

a

VT100-132

terminal

you

should

identify

your

terminal

to

the

host

computer

as

vt100-w.

If

you

use

vt100-132,

the

132-column

display

features

will

not

work

correctly.

3

Page

4-3.

When

using

the

UNIX

PC

from

a

remote

terminal

to

run

an

emulation

session,

a

display

at

the

top

of

the

screen

under

the

status

line

indicates

that

you

enter

n<ESC>CMn

to

access

local

commands.

If

you

use

the

lowercase

c

and

m,

nothing

happens.

To

access

the

Local

Commands

menu,

you

must

use

the

uppercase

C

and

M:

<Esc>

<Shift>-<C>

<Shift>-<M>

The

same

display

line

indicates

that

you

enter

"<ESC>EX"

to

exit

from

the

Emulator.

If

you

use

the

lowercase

e

and

x,

nothing

happens.

To

exit

from

the

Terminal-Emulator,

you

must

use

the

uppercase

E

and

X:

<Esc>

<Shift>-<E>

<Shift>-<X>

See

pages

4-13

and

4-14

in

the

AT&T

UNIX

PC

Remote

Access

User's

Guide.

4

Page

4-3.

If

your

UNIX

PC

is

connected

by

a

serial

port

to

a

network

such

as

the

AT&T

Information

Systems

Network

(ISN)

,

or

a

switch

or

device

that

supports

hardware

flow

control,

you

should

enable

the

hardware

flow

control

on

your

UNIX

PC

and

disable

the

software

flow

control

associated

with

that

serial

port.

To

enable

hardware

flow

control

on

the

UNIX

PC,

start

by

logging

in

as

install.

a

b

Select

<Enter>.

I

Administration

I

Select

I

Hardware

<Enter>.

Setup

I

and

press

and

press

Terminal

Emulation

3.51

Important

Information

c

Select

IRS232

Setup

I

or

IRS232

Expansion

Setup

I

and

press

<Enter>.

If

you

are

configuring

an

RS232

expansion

port,

select

the

port

number.

d

Highlight

the

Enable

Hardware

Flow

Control?

field

and

select

Yes.

e

Press

<Enter>

to

save

the

change.

To

disable

the

software

flow

control

associated

with

a

port,

open

the

Profiles

folder

in

your

Filecabinet

and

open

each

RS232

profile

to

be

used

in

conjunction

with

the

port

by

Terminal

Emulation.

a

Highlight

the

Flow

Control

to

Host

field

and

select

No.

b

Highlight

the

Flow

Control

from

Host

field

and

select

No.

c

Press

<Enter>

to

save

the

changes.

For

most

interactive

software

applications

accessed

with

the

Terminal

Emulator,

you

can

stop

and

restart

the

screen

display

with

the

<Ctrl>-<S>

and

<Ctrl>-<Q>

key

combinations.

For

this

to

work,

you

must

set

up

the

host

computer

to

recognize

<Ctrl>-<Q>

and

<Ctrl>-

<S>

as

the

XONjXOFF

flow

control

characters.

If

your

host

computer

is

a UNIX

system,

typing

stty

ixon

and

pressing

<Enter>

will

do

this.

Note

that

some

applications,

such

as

the

EMACS

editor,

use

a

full

8-bit

character

set

and

do

not

interpret

<Ctrl>-<S>

and

<Ctrl>-<Q>

the

same

way.

You

will

not

be

able

to

stop

and

restart

the

screen

display

in

this

fashion.

5

Terminal

Emulation

3.51

Important

Information

6

If

hardware

flow

control

is

unavailable

on

the

device

to

which

you

are

connected

or

not

enabled

on

the

UNIX PC,

you

should

enable

the

software

flow

control.

Subject

to

the

above

limitations,

when

using

the

Terminal

Emulator

you

should

be

able

to

stop

and

restart

the

screen

display

with

<Ctrl>-<S>

and

<Ctrl>-<Q>

in

most

cases.

Holding

down

the

<Ctrl>-<S>

key

combination

should

help

stop

the

screen

display

when

the

port

speed

is

set

to

a

high

value,

such

as

9600

baud.

For

more

information

on

flow

control

see

the

"Important

Information"

section

of

the

AT&T

UNIX

PC

Owner's

Manual.

5

Page

4-10.

Before

you

transfer

a

file

with

UMODEM

press

<Suspd>

and

check

the

window

manager

to

make

sure

that

you

have

no

more

than

five

windows

open.

Close

any

extra

windows.

A

file

transfer

will

create

two

additional

windows:

Transfer

status

and

Confirm.

The

console

requires

that

no

more

than

eight

windows

be

open

at

anyone

time.

6

Page

4-16.

You

should

avoid

using

the

ITerminate

File

Transfer

I

entry

in

the

Local

Commands

menu

when

you

have

initiated

a

file

transfer

with

UMODEM.

If

you

do

need

to

use

this

function,

you

will

have

to

wait

several

minutes

for

UMODEM

on

the

host

computer

to

"time

out"

before

you

can

again

transmit

data

between

your

UNIX

PC

and

the

host

computer.

After

waiting,

if

the

host

still

does

not

echo

back

typed

characters

to

your

screen,

open

the

Local

Commands

menu.

Select

I

Emulator

Reset

I

and

press

<Enter>.

In

most

cases

this

will

clear

up

the

problem.

If

not,

you

must

press

<Shift>-<Exit>

to

terminate

your

active

data

call.

Place

a

new

data

call

to

continue

your

work.

You

should

not

use

ITerminate

File

Transfer

I

wi

th

a

UMODEM

file

transfer

when

you

are

placing

a

data

call

from

a

remote

terminal.

Terminal

Emulation

3.51

Important

Information

7 When

placing

a

data

call

from

a

remote

terminal,

typing

the

sequence

<Esc>

br

will

send

a

"break"

character

from

the

remote

terminal

through

the

UNIX

PC

console

to

the

remote

host.

In

this

configuration

the

[BREAK]

key

on

your

remote

terminal

may

not

work.

7

'erminal

Emulation

3.51

Important

Information

(This

page

left

blank

intentionally.)

B

@1985, 1986AT&T

All Rights Reserved

Printed in USA

NOTICE

The information in

this

document

is subjectto change

without

notice.

AT&T

assumes no responsibility for any errors

that

may appear in this

document.