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Installation
Serial Interface
The 308FX2/309/316/317 switches provide an EIA-232 interface accessed via a 9 pin female connector (labeled
'COM' on the unit). This is used to access the Command Line Interpreter (CLI). The pin-outs are shown below
Serial Cable
Connect the serial COM port of your PC and the 308FX2/309/316/317 switch using a standard straight through
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 308FX2/309/316/317 end.
Table 7
shows the pin-out and the connections for both types of cable.
PC Port
Signal Name
TXD
RXD
GND
Shielded cables and null modems are readily available from a variety of electronics and computer suppliers.
Hyper Terminal
Use the configuration shown in
2-16
Pin 6
Pin 7
Pin 8
Pin 9
Table 7.
25-Pin Female
9-Pin Female
Pin Number
Pin Number
2
3
7
Table 8
in Hyper Terminal:
Table 8.
Hyper Terminal Configuration
Port Settings:
Data Bits:
Parity:
Stop Bits:
Flow Control:
Serial Cable Pin‐Outs
308FX2/309/316/317 9-Pin Male
Pin Number
3
2
5
9600
8
None
1
None
N-Tron® Series 300 TX/FX Models User Guide
Revised 2015-12-04
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Signal Name
3
RXD
2
TXD
5
GND
:
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