Lexmark C752 - Page 332

Interfaces
8-23
BUSY Driver and INIT* Receiver for the Lexmark C752
The following diagram illustrates the BUSY driver and the INIT* receiver for the
Lexmark C752.
SLCTIN* Receiver for the Lexmark E220
The following diagram illustrates the SLCTIN* receiver for the Lexmark E220.
+5V
1.5K 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
FCT 2828
150 pF ±20%
or
or
+5V, 5%
1.1K ohm ±10%
FCT 2827 or
FCT 2828
GND
1650 pF ±20%
Connector
Pin
56 ohm ±10%