Intermec EasyCoder 501 - Page 151

Intermec EasyCoder 501 – Service Manual Ed. 7
150
Chapter 18 "uart1:"
Cable confi guration
The following ready-made RS-232 connection cables can be
ordered from Intermec. Cables procured from other sources should
follow the same wiring principles.
Caution: Be careful not to connect the external +5V unintention-
ally, which may harm your computer or terminal.
To Printer ("uart1:") To IBM-XT & PS/2
DB25 female connector < cable > DB25 female connector
Housing • • Housing
Cable shield 1 • • 1 Cable shield
TXD out 2 • • 2 TXD out
RXD in 3 • • 3 RXD in
RTS out 4 • • 4 RTS out
CTS
1
in 5 • • 5 CTS in
DSR in 6 • • 6 DSR in
Signal GND 7 • • 7 Signal GND
not used 8-15 • • 8-25 not used
(+5V) 16 •
not used 17-19 •
DTR out 20 •
not used 21-25 •
To Printer ("uart1:") To IBM-AT
DB25 female connector < cable > DB9 female connector
Housing • • Housing
Cable shield 1 • • 1 not used
TXD out 2 • • 2 RXD in
RXD in 3 • • 3 TXD out
RTS out 4 • • 4 not used
CTS
1
in 5 • • 5 Signal GND
DSR in 6 • • 6 DSR in
Signal GND 7 • • 7 RTS out
not used 8-15 • • 8 CTS in
(+5V) 16 • • 9 not used
not used 17-19 •
DTR out 20 •
Printer ⇒ IBM-XT/IBM-PS2
Part No. 1-975580-05
Length: 3 metres (9.8 ft.)
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.
Printer ⇒ IBM-AT
Part No. 1-975581-05
Length: 3 metres (9.8 ft.)
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.
➠
12345678910111213
141516171819202122232425
12345
6789
12345678910111213
141516171819202122232425
12345678910111213
141516171819202122232425
➠
18.2 RS-232 (V24),
cont.