Chapter .
93
SA0143:
RJ45-F to DB25-F (Black Connector)
DTE to DTE
SA0144:
RJ45-F to DB25-M (Black Connector)
DTE to DCE
SN0108 / SN0116 (RJ45)
Pins (8)
Computer (DB25)
RTS
1
<————————>
5
DTR
2
<————————>
6+8
TXD
3
<————————>
3
CTS
4
<————————>
4
GND
5
<————————>
7
RXD
6
<————————>
2
DSR
7&8
<————————>
20
Other pins not used
SN0108 / SN0116
(RJ45)
Pins (8)
Modem/Device
(DB25)
RTS
1
<————————>
4
DTR
2
<————————>
20
TXD
3
<————————>
2
CTS
4
<————————>
5
GND
5
<————————>
7
RXD
6
<————————>
3
DCD
7
<————————>
8
DSR
8
<————————>
6
Other pins not used
sn816.book Page 93 Thursday, January 8, 2009 4:56 PM