User Guide| LQ Series 4.0
Note: Another alternative is to maintain DHCP addressing but use the Address
Reservation feature available in most managed routers. This will instruct the router
to allocate a specific DHCP address to an LQ device identified by its MAC address.
The unit’s MAC address can be retrieved through the LQ's front panel menu.
19.4.3 Connectivity, including Web access to my LQ unit is intermittent,
even though I am accessing it from within the same LAN.
The most probable cause for this is that an IP conflict exists. In this case, the IP
address used by the LQ unit is already in use by another device within your LAN.
The quickest and easiest way to check if this is the problem is to change the LQ
unit’s IP address to an address that is known to be available and observe if
connectivity to the unit is once again consistent.
19.4.4 What happens if connection to the Link-Master is lost?
The Link-Master must be statically addressed to prevent its IP address from
changing. A changed IP address will result in loss of connectivity with the rest of the
Link-Group.
A). Connection to the Link-Master is lost when a Link-Group is on a LAN
In this case, existing audio routes will be maintained, but system-wide data, such
as Channel names will not be updated. New data routes will not be possible.
B). Connection to the Link-Master is lost when a Link-Group is on the
Internet
In this situation there is likely to be loss of audio. When connecting over the
Internet, it is usually the case that the Link-Master is the only device that is
reachable by the other units in the group. If this is the case, all audio will be routed
through the Link-Master, creating the possibility of a single point of failure. To
prevent this, be sure to facilitate connectivity between the LQ units in the group
through port-forwarding, described in Internet connectivity on page 78.
In both cases, on a LAN or the Internet, loss of connection to the Link-
Master will have the following effects:
l Prevents the ability of the LQ units to modify of any of the Channel names.
l Prevents the distribution of device configuration changes throughout the Link-
Group resulting in the possibility of inconsistent routing information.
19.4.5 How do I connect an IVC card to a HelixNet Main Station (HMS)
over IP infrastructure?
To link an HMS to an IVC card over IP, the HMS must first be connected to an LQ
unit in a Link-Group configuration. Once connected to an LQ in this way, the IVC
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