Specifications

E6 158004.B00
PERIPHERAL PERIPHERAL J4
PIN
SIGNAL
NAME PIN
J4
PIN
SIGNAL
NAME PIN
1 IRRX IrDA - 2 IRTX IrDA -
3 MCLOCK MOUSE 5 4 MDATA MOUSE 1
5 SLCT PRINTER 13 6 PE PRINTER 12
7 BUSY PRINTER 11 8 /ACK PRINTER 10
9 PD7 PRINTER 9 10 PD6 PRINTER 8
11 PD5 PRINTER 7 12 PD4 PRINTER 6
13 GND PRINTER * 14 PD3 PRINTER 5
15 /SLCTIN PRINTER 17 16 PD2 PRINTER 4
17 /INIT PRINTER 16 18 PD1 PRINTER 3
19 /ERROR PRINTER 15 20 PD0 PRINTER 2
21 /AUTOFD PRINTER 14 22 /STROBE PRINTER 1
23 GND RESET
SWITCH
24 /RESET RESET
SWITCH
25 VCC SPEAKER 26 SPKR SPEAKER
27 GND BATTERY - 28 BATT BATTERY -
29 VCC KEYBOARD 5 30 KBDATA KEYBOARD 2
31 GND KEYBOARD 4 32 KBCLK KEYBOARD 1
33 GND COM2 5 34 RI2 COM2 9
35 DTR2
or RS485 **
COM2 4 36 CTS2
or RS485 **
COM2 8
37 TXD2
or RS485 **
COM2 3 38 RTS2
or RS485 **
COM2 7
39 RXD2 COM2 2 40 DSR2 COM2 6
41 DCD2 COM2 1 42 GND COM1 5
43 RI1 COM1 9 44 DTR1 COM1 4
45 CTS1 COM1 8 46 TXD1 COM1 3
47 RTS1 COM1 7 48 RXD1 COM1 2
49 DSR1 COM1 6 50 DCD1 COM1 1
NOTES:
* J4 pin 13 connects to printer port D-type connector pins 18 to 25 inclusive.
** Pins 35 - 38 carry RS485 signals when COM2 operates as an RS-485 port. See
Table E6 for details.
TABLE E7 - J4 I/O CONNECTOR PIN ASSIGNMENTS