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isoLynxTM Hardware User Manual
7.2 RS-232 Communications and Connections
Typical RS-232 Cable
Connection to Host
Computer
Serial Communication
Receive and Transmit
Indicator LEDs
SLX141-xx Cable
SLX142-x RJ-45 to
DB-9 Adapter
Figure 7.2-1
The following table shows the pinouts of the isoLynx RS-232 RJ-45 port and the SLX142-x RJ-45 to DB-9
adapter. The SLX142-x adapter provides a null modem connection which allows the connection of a Data
Terminal Equipment (DTE), the isoLynx, to another DTE, the host computer.
SLX142-x
isoLynx RS-232
EIA-561 Compatible
44
Host Computer Port RS-232
EIA-574 Compatible
RJ-45
Position
Signal
Name
DB-9(DCE)
Position
Signal
Name
4
Sig Gnd
5
Sig Gnd
5
RD
3
TD
6
TD
2
RD