Serial Interface; Troubleshooting - N-Tron 308FX2 User Manual & Installation Manual

Serial Interface

308FX2/309/316/317
The
„COM‟ on the unit). This is used to access the Command Line Interpreter (CLI). The pin-outs are shown
Pin 6
Pin 7
Pin 8
Pin 9
Serial Cable
Connect the serial COM port of your PC and the
cable. You will require a cable with a 9-pin or 25-pin sub-D female connector for the PC end, and a 9-pin male
sub-D connector for the
The following table shows the pin-out and the connections for both types of cable:
PC Port 25-Pin
Female
Signal Name Pin #
TXD
RXD
GND
Shielded cables and null modems are readily available from Radio Shack or a variety of computer shops.
HyperTerminal
The following configuration should be used in HyperTerminal:
Port Settings:
Data Bits:
Parity:
Stop bits:
Flow Control:

Troubleshooting

1. Make sure the
2. Make sure you are supplying sufficient current for the version chosen.
3. Verify that Link LED‟s are ON for connected ports.
4. Verify cabling used between stations.
(Revised 2010-7-30)
switches provide an EIA-232 interface accessed via a 9 pin female connector (labeled
308FX2/309/316/317
9-Pin 308FX2/309/316/317
Female 9-Pin Male
Pin
Pin # #
2 3 3
3 2 2
7 5 5
9600
8
None
1
None
(Power LED) is ON.
Pin 1
TXD Pin 2
RXD Pin 3
Pin 4
GND Pin 5
308FX2/309/316/317
end.
Signal Name
RXD
TXD
GND
Switch using a standard straight through
below:
15