46
The ENDAT-3203M/3220M System Board
D-SUB Type Connector for COM2 port (RS-422
4 Wire)
Pin No.
Description
Pin No.
Description
1 –TXD 6
NA
2 +RXD 7
NA
3 +TXD 8
NA
4 NA 9 –RXD
5 NA
D-SUB Type Connector for COM2 port (RS-485
2 Wire)
Pin No.
Description
Pin No.
Description
1 Data
– 6
NA
2 NA 7 NA
3
Data
+
8 NA
4 NA 9 NA
5 NA
Printer (LPT1/LPT2) Port
Pin No.
Description
Pin No.
Description
1 STB# 10 ACK#
2 PD0 11 BUSY
3 PD1 12 PE
4 PD2 13 SLCT
5 PD3 14 AFD#
6 PD4 15 ERR#
7 PD5 16 INIT#
8 PD6 17 SLIN#
9 PD7
18-25
GND