Configuring the IP connection without CXproᴴᴰ
If your network does not have a DHCP server, then the FBXi controller will use a default IP address, which is
made up as follows:
• The first byte of the IP address is set to 10
• The 6 digits of the numerical part of the serial number grouped into 3 sets of 2 digits to form the last 3
bytes of the IP address.
For example, a FBXi with serial number
901001A
will be allocated the default IP address of
10.90.10.01
Note: For a laptop (or PC) to communicate with a FBXi configured in this way, the IP address of the laptop’s
Ethernet port must be set to a subnet that is compatible with the FBXi’s IP address.
For example, if the FBXi has an IP address of
10.90.10.01
, the laptop could have an address something
like
10.90.10.nn
with a subnet mask of
255.255.255.0
.
Note: If the default IP address is used on a network, it can cause an IP Address conflict if the network’s
subnet mask is
10.0.0.0/8
(see
Subnetwork (Subnet)
on page 8).
It may be possible to reach the FBXi over the network but BACnet messaging may fail.
In this case you may need to use a directly-connected laptop, or a different network to configure the
FBXi. Alternatively you could change the FBXi’s subnet mask to
10.ss.ss.ss/24
, (where
ss
is the serial
number) to reduce the size of the subnet that could give rise to conflicts. For example, a FBXi with
serial number
901001A
should have a subnet mask of
10.90.10.01/24
.
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