DigitaLinx IPEX5001-D - System Considerations

IPEX5000 Series Quick Install Guide
12
System Consideraons
Gigabit Switch Features
Gigabit Switch Size(s)
A high quality, managed Level 2 gigabit PoE switch with a high bandwidth backplane should be used in the
installaon. The two primary features to look for in the switch are support for mulcast with jumbo frames and
support for IGMP snooping, which are required technologies for stable video signals.
Be sure to verify the PoE gigabit switch can provide adequate waage (PoE budget) to support all IPEX5000 devices
connected to a switch. Each IPEX5000 requires 6w-9w of PoE budget to operate appropriately.
When calculang the size of switch needed, the following devices need to be considered:
1. Number of sources
2. Number of displays
3. IPEXCB
4. Wireless access point for iPad app or Windows app (oponal)
5. Hardwire port for Windows app (oponal)
System Bandwidth
External Devices
250-850 Mbps should be considered when calculang the bandwidth for a 4k video stream. 150-750 Mbps should
be considered when calculang the bandwidth for a 1080p/60 video stream. These values cover the encoded
stream plus packet overhead. When using mulple encoders on a mul switch environments it is important to load
balance the streaming encoders evenly on each switch to allow for proper throughput. A 10Gb uplink between one
switch to another can typically accommodate 10-12 encoders streaming 4K video content in this type of network
infrastructure.
Due to the nature of JPEG2000 compression, the IPEX5000 encoding method is VBR (Variable Bit Rate). In a VBR
stream, the encoder will transmit dierent bit rates of data depending on how much informaon is present in the
parcular frame of video, while averaging the stream to the bandwidth hardcoded into the chipset. A solid color
frame will use less bandwidth than a mulcolor frame of video.
It may be necessary to use external HDMI devices in conjuncon with the DigitalinxIP video system to create
specic and customized funconality for an end user. When using devices such as audio de-embedders, extenders
or HDMI distribuon systems with DigitalinxIP devices it is suggested that custom HDMI circuits be tested before
deployed in the eld to address any interoperability, EDID and HDCP issues that may arise.