User guide
Custom versions of NetPort 
The above list is not exhaustive and customisation of NetPort to suit customer’s requirements is 
available. Minimum order quantities for customisation will apply. 
3 Connecting NetPort 
To get started, you must connect the NetPort to your network. Follow the steps 
below: 
Note: This procedure assumes that the PC is connected to the network. 
You may connect a crossover Ethernet cable directly between the PC and 
NetPort if a network is not available but you will need to fix the IP address 
of both PC & NetPort for consistent operation. 
The final setup should look like this: 
V
e
r
i
f
i
c
a
t
i
o
n
C
h
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c
k
:
 If powered up correctly, the NetPort power LED will light yellow and 
remains on. This LED is on the RS232 end. 
Verification Check 2: If the Ethernet Port on NetPort has authenticated 
with the LAN successfully then the LED’s will confirm the speed and 
connect mode according to the RHS section of the diagram below: 
NETWORK
Ethernet Hub
or Switch
PC
PSU
Your RS232
Equipment
Internal 3v3 Power
Yellow = ON
Network End
RS232 End
RS232 connection
Green = connected
Ethernet Link
Green=100Mb/s
Yellow=10Mb/s
Ethernet Activity (flash)
Green=Full Duplex data flow
Yellow=Half Duplex data flow










