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Radio Shack TRS-80 PT-210 Service Manual page 8

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MODEL PT-210 COMMUNICATION DIAGRAM

OFF-LINE

IÃ'Ã'Ã'Ã'Ã'Ã'Ã'Ã'Ã'Ã

I

1

1

KEYBOARD

CONTROL

PRINTER

!

1

use as electric typewriter.

I

I

I

I

1

Either Transmit or Receive at one

time

I

'

KEYBOARD

CONTROL

PRINTER

1

I -

COMPUTER

1

I

I

I

I .

1

ACOUSTIC

1

I

COUPLER

1

MODEM

1

KEYBOARD

CONTROL

PRINTER

1

1

Transmit and Receive at same time

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I

*

r---

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L----

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-I--------

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-

Telephone-

-

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- --

COMPUTER

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--- -- -- --

Ã' Ã '

Line

b

ON-LINE

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RS-232C INTERFACE (OPTIONAL)

!

K E Y B O A R D

CONTROL

PRINTER

1

ACOUSTIC

1

COUPLER

I

MODEM

Figure

2 .

6

1

_^

1

I

Telephone-

-

!-------

- - _ _ _

------

J

Line

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