Intermec EasyCoder 501 E – Installation & Operation Ed. 1 149
Appendix 4 Interfaces
Industrial
Interface Board
(option)
The EasyCoder 501 E can optionally be fi tted with an Industrial
Interface Board, which provides the printer with one extra serial
communication port ("uart3:") for RS-232.
The Industrial Interface Board also has a connector with:
4 digital IN ports with optocouplers
4 OUT ports with relays
"uart3:" Serial Port
The communication port "uart3:" uses a DB-25pin female connec-
tor.
Pin Signal Name Description
1 GNDC Cable shield
2 TXD RS-232 Transmitter
3 RXD RS-232 Receiver
4 RTS RS-232 Request To Send
5 CTS RS-232 Clear To Send
6 DSR RS-232 Data Set Ready
7 GNDI Signal Ground
8–15 Not connected
16 +5VEXT 5 VDC for external use (max. 200 mA)
1
17–19 Not connected
20 DTR RS-232 Data Terminal Ready
2
21–25 Not connected
1
/. Enabled by a strap being fi tted on P-1.
2
/. DTR permanently high.
Industrial Interface Port
The industrial interface port uses a DB-15pin female connector.
Pin Signal Name Description
1–8 OUT 201–204
9–14 IN 101–104
15 IN 103/104
Refer to the installation instructions for the Industrial Interface
Board for further information.
"uart3:" Industrial Interface
230V
0