Intermec EasyCoder 501 Service Manual page 151

Chapter 18 "uart1:"
18.2 RS-232 (V24),
cont.
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.
150
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:")
DB25 female connector
Housing •
Cable shield 1 •
TXD out 2 •
RXD in 3 •
RTS out 4 •
1
CTS in 5 •
DSR in 6 •
Signal GND 7 •
not used 8-15 •
(+5V) 16 •
not used 17-19 •
DTR out 20 •
not used 21-25 •
To Printer ("uart1:")
DB25 female connector
Housing •
Cable shield 1 •
TXD out 2 •
RXD in 3 •
RTS out 4 •
CTS 1 in 5 •
DSR in 6 •
Signal GND 7 •
not used 8-15 •
(+5V) 16 •
not used 17-19 •
DTR out 20 •
To IBM-XT & PS/2
< cable > DB25 female connector
< cable > DB9 female connector
Intermec EasyCoder 501 – Service Manual Ed. 7
• Housing
• 1 Cable shield
• 2 TXD out
• 3 RXD in
• 4 RTS out
• 5 CTS in
• 6 DSR in
• 7 Signal GND
• 8-25 not used
To IBM-AT
• Housing
• 1 not used
• 2 RXD in
• 3 TXD out
• 4 not used
• 5 Signal GND
• 6 DSR in
• 7 RTS out
• 8 CTS in
• 9 not used