Interfaces
8-26
ACKNLG*, ERROR*, SLCT, PE Drivers for the Lexmark T520, T522, T620,
T622, and W820
The following diagram illustrates the ACKNLG*, ERROR*, SLCT, PE drivers for the
Lexmark T520, T522, T620, T622, and W820.
BUSY Driver and INIT* Receiver for the Lexmark C720
The following diagram illustrates the BUSY driver and the INIT* receiver for the
Lexmark C720.
+5V
2.2K ohm ±10%
Connector
39 ohm ±5%
150 pF ±20%
GND
FCT 2827
Pin
+5V
1.1K ohm ±10%
INIT*
(input)
39 ohm ±5%
FCT 2827
50K ohm ±5%
1722 pF ±20%
+5V
2.2K ohm ±10%
BUSY
(output)
GND
FCT 2827
39 ohm ±5%
GND
FCT 2828
FCT 2828
220 pF ±20%
or
or