Getting Started Guide for DTE-3100
Powering Up
The first step to using your DTE-3100 is
connecting it to a power source. The DTE-
3100 is a PoE (Power-over-Ethernet)
capable device, so if you have a PoE switch
the unit will power up as soon as you plug-
in the Ethernet cable
1
.
If your switch does not support PoE, the
alternative is connecting an external power
supply to the auxiliary power input at the
bottom of the unit. This power supply
should deliver a 24DC voltage and be able
to provide a minimum of 400mA.
A suitable power supply is available as
optional add-on for the DTE-3100 and can
be ordered from DekTec or yopur local
distributor. The order code for this power
supply is DTE-PWR1.
Setting up the initial IP address
After powering your device for the first time
the next step is to setup the initial IP
address. Out-of the box the DTE-3100
supports the following two mechanisms for
acquiring an IP address:
Automatically through DHCP;
Automatically through link-local
autoconfiguration.
NOTE: it is also possible to assign a fixed
IP address to the unit, but setting a fixed IP
address is only possible via the device web
interface and before we can browse to the
web interface the device need to receive its
1
It can take a few seconds (up to 30sec) before
the PoE switch enables the power to the unit, so
please wait shortly for the power to be applied
first IP address from a DHCP server or via
link-local address protocol.
By default the DTE-3100 will first try to
receive an IP address from a DHCP server.
If no DHCP server is present or no IP
address is assigned to the unit, it will auto
assign itself an IP address from the link-
local address range. The link-local address
range (169.254.0.0/16) is a special IP
address range from which IP devices can
assign them-selves an IP address.
If the device has successfully received an IP
address the assigned IP address will be
shown in the bottom section of the display.
This bottom section toggles between the IP
address and the MAC address of the unit.
NOTE: An IP address of “0.0.0.0” means
that the unit has not received an IP
address.
To test if you can communicate with DTE-
3100, please open a command-prompt
and try to ping the unit (e.g. ping
192.168.39.22).
If the ping fails and your unit has received
a link-local IP address (an IP between
169.254.0.0 – 169.254.255.255) you
might first have to add and extra route
entry to the route table of your PC.
To manually add a route entry on a
Windows PC, open a command line
prompt and execute the following
command:
route add 169.254.0.0 MASK 255.255.0.0
<networkip>
Replace <networkip> with the IP address
of the network card in your own PC; the
new route entry will be added to the route
table of this network card.
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