195

Serial busy protocol (I byte) mode

~;q ~

 

 

 

 

 

DB

 

 

 

 

 

 

DTR

u~

 

 

 

u

I-J

Fin 20

 

 

 

 

 

 

 

 

u

RCH

u

u

1

 

u

Pin I 1

 

 

 

 

1 au

f f e r

f u 1 I

 

 

 

 

or

Of f

1 I n.

 

Serial busy protocol (1 block) mode

RXD

P,” 3

g:~o –

$::, ~

Buffer full

0, off 11”.

XON/XOFF prutacol

RXD

Pin 3

TXD

 

 

 

P,” 2

xOFF (DC31

XOFF IDC31’

XON IDCII

 

9.f f

. . fu I 1 or

of f I I n.

ACK protocol

RXD

Pm 3

:::0

TXD

P,” 2

8“ f f e r f u I 1

. . Of f I tn.

08- Defa Brie

Figure G-2.Serial protocol timing charts.

Page 203
Image 203
Star Micronics NX-15 user manual Figure G-2.Serial protocol timing charts