User Guide| LQ Series 4.0
6.4 The Link-Member role
LQ devices that are not designated master will have the role of Link-Member.
Joining a device to a Link-Group requires that device to be set to Link-Member role
which will prompt the user to enter the address of the Link-Master.
If a Link-Member device loses connection to its Link-Master, the front panel LED of
that device will turn red until the connection is restored.
6.4.1 Linking units
The only way to join devices to a Link-Group is through the Linking page of the CCM.
Only the IP address of the Link-Master is required during this set up.
6.4.2 LQ restricted IP range
LQ units use the IP range 172.23.xx.xx for linking. Because of this, this IP range
should not be used for any devices (including LQs) when working with the LQ Series
system. Clear-Com cannot guarantee reliable behavior if this address range is
used.
6.4.3 Linking over a LAN
This is the simplest way to link devices together. This type of environment enables
the highest potential level of communication quality and the best availability of
resources. When linking over a LAN, set Link-Group Optimization to LAN/WAN
routed network in the Linking page of the Core Configuration Manager (CCM) for
best latency performance and use of resources.
6.4.4 Linking over Internet or WAN
When linking over the public Internet, addressing of the Link-Master becomes more
complicated as the Link-Master must be made externally reachable to all Link-
Members. This is achieved by creating port forwarding rules within the firewall.
Note: A HelixNet/LQ Link-Group does not operate over the Internet. This is because the
codec that HelixNet uses (WavPack) is not optimised for the Internet. Internet
connectivity when using HelixNet and LQ is achieved using a tie line.
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