Lexmark C720 Guia De Referência

Interfaces

8-32

BUSY Driver and INIT* Receiver for the Lexmark T420, T520, T522, T620,
T622, W812, and W820

The following diagram illustrates the BUSY driver and the INIT* receiver for the
Lexmark T420, T520, T522, T620, T622, W812, and W820.

SLCTIN* Receiver for the Lexmark C720, E320, and E322

The following diagram illustrates the SLCTIN* receiver for the Lexmark C720, E320,
and E322.

+5V

1.1K ohm ±10%

INIT*

(input)

39 ohm ±5%

50K ohm ±5%

1650 pF ±20%

+5V

2.2K ohm ±10%

BUSY

(output)

GND

39 ohm ±5%

GND

150 pF ±20%

FCT 2827

+5V, 5%

1.1K ohm ±10%

FCT 2827 or
FCT 2828

GND

1720 pF ±20%

Connector
Pin

39 ohm ±10%