T e c h n i c a l I n f o r m a t i o n

Port characteristics

Serial ports

9-way male D-type (COM1/COM2)

 

 

10101

 

 

 

1

5

 

 

6

9

Pin

I/O

Function

 

 

 

 

1

I

Data carrier detect

2

I

Receive data

3

O

Transmit data

4

O

Data terminal ready

5

-

Signal ground

6

I

Data set ready

7

O

Request to send

8

I

Clear to send

9

I

Ring indicate

B/8 APRICOT 340 OWNER’S HANDBOOK