Lexmark T630n VE Reference Manual page 363

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.
50K ohm ±5%
39 ohm ±5%
FCT 2827
+5V
1.1K ohm ±10%
INIT* 56 ohm ±5%
(input)
1650 pF ±20%
GND
+5V
2.2K ohm ±10%
BUSY
(output)
150 pF ±20%
GND
8-25
+5V
2.2K ohm ±10%
Connector
150 pF ±20% Pin
GND
FCT 2827
or
FCT 2828
FCT 2827
or
56 ohm ±5%
FCT 2828
Interfaces