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Chapter 2. Hardware Setup
137
KE6920 / KE6922 LAN Installation
Setting up the units on a network allows point-to-point, point-to-multipoint,
and multipoint-to-multipoint computer to console operation by connecting
multiple KE6920 / KE6922 devices on the same TCP/IP LAN. Prior to the
setup, we recommend laying out the plans for your KE installation using our
performance guide (see
Keys to Network Performance , page 433).
A few points to note during your setup:

The units are preconfigured with factory-default network settings. If you
install only one set of KE Series units, you do not need to change these
default network settings. See
Default IP Addresses , page 154, for further
details.

In a network setup with multiple units, each Transmitter and Receiver
must be configured with a unique IP address. See
Network Configuration ,
page 153, for further details.
 We recommend using 1000-Mbps Gigabit Ethernet switches (wire speeds,
non-blocking with 1 Gbps / 1.5 Mpps performance per port) between KE
Series devices installed on different LAN segments under a same office
network environment. 10/100 Mbps switches might cause poor
performance.

In multipoint configurations, the IGMP and flow control function of your
network switches/hubs must be enabled to avoid the deterioration of data
throughput. To ensure functionality use a layer 3 switch that supports
IGMP queries.

If your network uses cascaded switches, please check to ensure the data
throughput is sufficient.
 To get the best performance, we suggest creating a private network for KE
devices, as they are bandwidth-intensive devices.

Make sure that all equipment is powered off before the installation.
The installation is similar to that of KE6920 / KE6922 Point-to-Point
Installation on page 100, with the difference in connecting the transmitter and
the receiver to a local area TCP/IP network. Refer to the diagrams on the
following page and connect accordingly.
Repeat these steps for each Transmitter and Receiver you wish to install on the
network then power on the computer(s).
Note: 1. The unit supports network redundancy. Where both LAN and SFP
ports are connected, a network redundancy is established. Please note