Intermec EasyCoder 501 S Installation And Operation Manual page 123

Appendix 4 Interfaces
Standard Interface "uart1:", cont.
RS-232, cont.
122
This diagram shows the confi guration of RS-232 cables between an
EasyCoder 501 and a computer with either a DB-9pin or DB-25pin
communication port. The cable should have a female DB-25pin
connector at the printer side.
Host
Signal DB-9 DB-25
housing
RXD 2
TXD 3
1
CTS 8
RTS 7
GND 5
16
DSR 6 20
1
/. If the communication cable is not confi gured to transmit any CTS signal to the
printer, a permanent CTS signal will automatically be produced.
2
/. Requires a strap fi tted on P-203, see previous page.
Intermec EasyCoder 501 S – Installation & Operation Ed. 1
EasyCoder 501
Signal DB-25 DB-25 Signal
housing
1 shield
2 TXD
3 RXD
4 RTS
5 CTS
7 Signal GND
2
+ 5V
DTR 20
Host
housing
1 1 shield
2 3 RXD
3 2 TXD
1
4 5 CTS
5 4 RTS
7 7 GND
16
6 DSR