Tieline Merlin PLUS User Manual page 163

Important Notes:
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Click the check-box to select Enable Redundant SmartStream PLUS and configure dual
Ethernet SmartStream IP streaming. Alternatively, click Next to configure Auto Reconnect
or a failover connection, whereby the alternative connection is dialed if the primary connection
fails.
Click the check-box to select Enable Redundant SmartStream PLUS and configure dual
Ethernet SmartStream PLUS IP streaming. Alternatively, click Next to configure Auto
Reconnect or a failover connection, whereby an alternative connection is dialed if the primary
connection fails.
By default, primary IP streaming is via ETH1. To achieve the maximum level of redundancy
select Secondary to configure redundant streaming from the secondary IP port ETH2. The
redundant stream uses Remote Audio Port 9001 by default and the Local Audio Port
allocated is Automatic. Note: Automatic indicates that the codec will arbitrarily allocate the
local port value and send this information to the codec to which you are dialing.
© Tieline Pty. Ltd. 2017
If you select Sessionless as the Session Protocol then RFC-compliant FEC is
displayed. Configuration instructions are displayed in the right-hand pane.
FEC Delay is only available when the FEC percentage is 100%. This is designed to
delay the sending of FEC packets for a predetermined period after the primary audio
stream's packets are sent. This will increase the likelihood that the FEC packets will
take an alternate route to the primary stream's packets. This means that if primary
audio stream packets are not received at the remote codec, there is a good chance
that FEC packets taking an alternate route will be received and replace them. When
a FEC percentage lower than 100% is configured, FEC packets are automatically
delayed based on the ratio of primary packets to FEC packets sent at the selected
setting.
Merlin PLUS User Manual v2.0 163