2. Product information
• 0.5 seconds after the input is connected
• 2 seconds after the decoding is disabled
2.3.3 Network
Disc overy
NGS-D320 devices can be discovered on the network using the mDNS protocol.
Refer to "Discovery", page 23 on how to discover an NGS-D320.
IP addressing
The NGS-D320 supports IPv4 addressing.
The IP address can be dynamically configured using DHCP, or can be configured to static.
If no DHCP is present and no static config is available, the device will fall back to linklocal addressing.
The NGS-D320 can connect to an NTP (Network Time Protocol) server.
All media traffic will be timestamped according to this reference time.
If no NTP server is present, the media will be timestamped in line with the device clock (starting at 1 Jan
1970). The device clock is reset after every reboot.
The NGS-D320 can connect to a DNS (Domain Name Service) server.
Refer to "Network settings", page 32 on how to configure NGS-D320 network settings.
Port s
The table below lists the ports used for the various protocols on the NGS-D320:
Port Protocol
TCP 443 https for web interface and API
TCP 554 RTSP
TCP 5901 VNC for keyboard & mouse forwarding from decoder to encoder
UDP 5004
RTP audio & video streaming (5004 is the default port, changeable by user)
UDP 9875
Session announcements (SAP) on multicast address 224.2.127.254
These ports need to be open on the network infrastructure to e nsure proper operation.
2.3.4 Streaming
Stream control
The NGS-D320 supports 2 methods to control stream flow:
1. RTSP
The NGS-D320 supports RTSP (Real Time Streaming Protocol) and runs an RTSP server to manage
connections. Connection to the NGS-D320 streams can be done via RTSP clients.
Both R TSP unicast & multicast is supported.
2. SAP
The NGS-D320 supports SAP (Session Announcement Protocol) and sends out SAP announcements.
When subscribing to the SAP multicast address 224.2.127.254, the SAP message of an NGS-D320
will be available, and will allow to connect to an NGS-D320 multicast stream.
Media stream
The NGS-D320 uses RTP (Re al Time Protocol) to stream media.
K5903129 NGS-D320 29/09/2016
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