Lexmark c912 Guida Di Riferimento

Interfaces

8-25

ACKNLG*, ERROR*, SLCT, PE Drivers for the Lexmark T630, T632, and T634

The following diagram illustrates the ACKNLG*, ERROR*, SLCT, PE drivers for the
Lexmark T630, T632, and T634.

BUSY Driver and INIT* Receiver for the Lexmark E321 and E323

The following diagram illustrates the BUSY driver and the INIT* receiver for the
Lexmark E321 and E323.

+5V

2.2K ohm ±10%

Connector

39 ohm ±5%

150 pF ±20%

GND

FCT 2827

+5V

1.1K ohm ±10%

INIT*

(input)

56 ohm ±5%

FCT 2827

50K ohm ±5%

1650 pF ±20%

+5V

2.2K ohm ±10%

BUSY

(output)

GND

FCT 2827

56 ohm ±5%

GND

FCT 2828

150 pF ±20%