Xblue Networks X-50 Installation Manual page 115

The X-50 system is a gateway, which joins two or more different
types of networks together, such as WAN, LAN and PSTN. If the
X-50 system is connected to the ISP through a bridge to allow for
connecting to external devices. The LAN Address will be set to
192.168.10.1 and it is set to be the network's DHCP Server.
However, if the X-50 is only using email delivery and remote pro-
gramming then the WAN port can be set to join as
a node or client on the existing Local Area Net-
work.
When connecting the WAN port of the X-50 to an
existing LAN, the LAN port of the X-50 must be
given a different IP address such as
(192.168.100.1). The LAN of the X-50 is then
considered "Down Stream" from the existing LAN.
When establishing any network numbering plan,
do not use the IP address x.x.x.254 becasue this
address is reservered for the system's DSP and
will cause erratic operation.
LAN IP Address - at default the LAN IP Address is set to 192.168.10.1, but can be customized to
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accommodate any valid IP Address. In addition, it is considered the default gateway for any of the IP
Telephone endpoints connected to the LAN ports.
Subnet Mask - when using the "Static IP Address" setting, the Subnet Mask will have to be Manually
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entered. If there is a single Subnet, the entry will be 255.255.255.0. For more information about Subnet
Masks refer to "Subnet Maks" on page 251
DSP IP Address - The telephone system uses Digital Signal Processing to process standard telephony tones,
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which requires its own IP Address. Once assigned, no other device on the network can have the same IP
Address, or the system will work erratically. The default IP Address is 192.168.10.254
Universal Plug and Play (UPnP) - When enabled, the X-50 will recognize any device that is connected to
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the LAN port and begins broadcast UPnP protocol.
Dynamic Host Configuration Protocol (DHCP) - When enabled the X-50 can be used to automatically
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assign client devices an IP Address. In addition, the administrator can grant a specific range of valid IP
Addresses. At default the DHCP is enabled and will allow from 192.168.10.2 to 192.168.10.25. When
disabled, every device connected to the network will have to be manually configured with an IP Address,
which is good for security but creates a lot of extra work for the administrator.
Leased Time - The amount of time that each dynamically assigned IP Address will be assigned to any one
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device before it is renewed. If the device is still connected and active, the device will probably continue
with the same IP Address, otherwise it may be reassigned to another device.
XBLUE Networks
Advanced Programming
115