If you experience issues with the IPTV Output at the TDmH/TDcH check the sfp port settings are correct:
To Input IPTV and/or Output IPTV at SFP select the IP address for the SFP Port ONLY:
ONLY if using separate VLANs for IPTV Input and IPTV Output select different IP Address at VLAN Input and VLAN Output: