Intermec EasyCoder 501 XP Installation Instructions Manual page 14

Connector Confi gura-
tion
EasyCoder XP- & F-Series Double Serial Interface Board – Installation Instructions Ed. 2
Chapter 4 Serial Port Confi guration "uart3:"
The serial interface for "uart3:" uses a male DB-25pin connec-
tor.
Pin Signal Name
1
2 TxD
3 RxD
4 RTS
5 CTS
6 DSR
7 GND
8
9 +20M1
10 -20M1
11 +TXD
12 -TXD
13 +20M2
14 -20M2
15 +RS422I
16 +5V
17 -RS422I
18 +RxD
19 +RS422O/+RS 485
20 DTR
21 -RS422O/-RS485
22 RI
23 Shield
24
25 -RxD
1
/. The external 5V is automatically switched off at overload.
Description
Not connected
RS-232 Transmitter
RS-232 Receiver
RS-232 Request To Send
RS-232 Clear To Send
RS-232 Data Set Ready
Ground
Not connected
+ 20 mA current loop
- 20 mA current loop
+ TXD 20 mA current loop
- TXD 20 mA current loop
+ 20 mA current loop (printer active receiver)
- 20 mA current loop (printer active receiver)
+ RS-422 Receive
5 Volt for external use (max. 200 mA)
- RS-422 Receive
+ TXD 20 mA current loop
+ RS-422 Transmit/+RS 485
RS-232 Data Terminal Ready
- RS-422 Transmit/-RS 485
RS-232 Ring Indicator
Optional shield for RS-422
Not connected
- TXD 20 mA current loop
1
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