User manual

1.4.2 Setting serial interface

The JP2 and JP1 jumpers on controller board (see Fig.1.8) manages the setting of parallel interface as indicated:

JP1 JP2

PARALLEL INTERFACE SELECTION

CLOSED CLOSED Centronics

OPEN OPEN TTL

If JP1 and JP2 are closed:• the Centronics parallel interface is selected.

If JP1 and JP2 are open:• the TTL parallel interface is selected.

Refer to Fig.1.8 for the JP1 and JP2 jumpers position.

JP3

JUMPERS

SELECTION

+VIN ON

PIN 3-4 J3

JUMPERS

SELECTION

SIGNAL ON

PIN 12-14

JP4

JP5 JP6

FEED

ACK

GND

LED

TTL CENTRONICS

JUMPERS

SELECTION

INTERFACE

JP1

JP2

(Fig.1.8)

1. INSTALLATION AND USE

1-8 PLUS II User Manual