THE FBVi INTEGRATED ETHERNET SWITCH
The FBVi-2U4-4T includes an integrated Ethernet Switch, with 2 ports. This allows the device to forward IP
packets from each port to the other, allowing FBVi, FBXi and CBXi devices to be connected in a Daisy-
Chain topology:
It is recommended is that both ends of an FBXi / FBVi / CBXi daisy chain network are connected to a
single switch that supports the Spanning Tree network switch protocol (STP). In this scenario a single line
break or controller failure in the loop will allow all controllers to continue to communicate.
For example, if controllers
A
,
B
,
C
,
D
and
E
are daisy-chained, connected on both sides, with a single switch
supporting Spanning Tree Protocol:
• If controller
B
loses power, controller
A
will be on one trunk, and
C
/
D
/
E
will be on another all
communicating.
• If controllers
B
and
D
lose power, controllers
A
and
E
will communicate, but controller
C
will not.
Note: The FBVi Series controller has a pass-through across its IP switches, such that if it loses power
controllers ‘downstream’ will continue to be connected. Only the FBVi Series has this feature.
Note: If you plug both ends of the daisy chain network into a switch that does not support the Spanning Tree
Protocol, it will flood the network with requests. The switch will send and receive the same messages
over and over again, until something breaks.
CONFIGURING THE IP CONNECTION
Configuring the IP connection using CXproᴴᴰ
CXproᴴᴰ includes a utility to quickly configure BACnet properties for IP devices. To launch this utility,
right-click on a Site in the Site List and select Configure IP BACnet Device Properities
The utility will scan for all CBXi, FBXi and FBVi devices on the selected network.
Note: The devices must be configured within CXproᴴᴰ before they can be accessed by this utility.
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