Rose-electronics Porter User Manual download pdf (Page 36)

PORTER INSTALLATION AND OPERATIONS MANUAL

Serial Model with / 422 option

Signal Name

Direction

Description

Chassis Ground

Common

Connect to cable shield or equipment frame

TXD -

Output

Inverted transmit data out

RXD -

Input

Inverted receive data in

DTR -

Output

Inverted handshake signal; high when ready

DSR -

Input

Inverted handshake input; drive high when ready

Ground

Common

Logic ground

TXD +

Output

Positive transmit data out

RXD +

Input

Positive transmit data in

DTR +

Output

Positive handshake signal; low when ready

DSR +

Input*

Positive handshake input; drive low when ready

* = If hardware handshake is not used, connect this line to pin 7 (Ground)

1 2 ... 31 32 33 34 35 36 37 38 39 40

No comments

Rose-electronics Porter User Manual Page 36