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Biamp Systems

Tesira Network Infrastructure

This article describes the supported network topologies required when interfacing Tesira server class devices and expanders.

Tesira devices support the use of many Ethernet network-based features to facilitate integrating Audio and Video in an AV environment. Depending on the Tesira hardware, network port functions are separate or combined.

  • Tesira SERVER and SERVER IO devices have dedicated Control network and media network ports available on separate card modules.

  • TesiraFORTE AVB devices have dedicated Control network and media network ports.

  • Tesira AMP devices have dedicated control network and AVB network ports.

  • Tesira Expanders use one Ethernet port and the control and AVB traffic is combined.

  • TesiraLUX devices have dedicated control network and AVB network ports. The 1G AVB and 10G SFP+ AVB ports cannot be active at the same time.

Overview

A Tesira system will support the following media protocols:

  • Control Network Interface – Ethernet network used to relay configuration data between Server and expander class Tesira devices and connected control computers.

  • Audio-Video Bridging (AVB) Interface – Server and Expander class devices are able to share audio using AVB capable bridges (switches). Tesira SERVER and SERVER-IO devices require the use of the AVB-1 card. Audio expanders, TesiraFORTÉ AVB varieties, Tesira AMP and TesiraLUX devices support AVB functionality natively.

  • CobraNet – Tesira SERVER or SERVER-IO devices using SCM-1 cards are able to share 32 x 32 channels of audio between any other CobraNet enabled devices.

  • Dante - Tesira SERVER or SERVER-IO devices using DAN-1 cards are able to share 64 x 64 channels of audio between any other Dante enabled devices. TesiraFORTÉ DAN varieties natively supports 32x32 Dante channels. 

  • Telephony Interfaces

    • SERVER-IO devices allow up to 6 telephony cards in any combination per device:

      • VoIP – Server class devices are able to make use of the SVC-2 card and act as a SIP end point for Voice over IP functionality. 2 VoIP lines with up to 6 call instances per line are supported. See our VoIP compatibility matrix for supported proxy servers.
      • POTS – Server class devices are able to make use of the STC-2 card and act as a Telephone Interface to an Analogue telephone line. 2 POTS lines are supported per card.

    • TesiraFORTÉ VI devices make use 2 VoIP lines with up to 6 call instances per line per device

    • TesiraFORTÉ TI devices make use of a single POTS line per device

    • TesiraFORTÉ VT devices provide both VoIP and a single POTS line per device.

Wiring Topologies

Single Switch

Two Servers

Two Servers can be connected directly via their AVB ports, without the need for an AVB switch, using a straight-through CAT-5e cable. This applies to TesiraFORTE as well. The Control Network will require a switch to facilitate the use of a configuration PC and Control system. The Control Computer can be removed once the Tesira devices have their configuration loaded. The example below shows two Tesira Servers with an IP switch and AVB Link

  

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Multiple Servers and Expanders

When using more than two Servers, or a mix of Servers and Expanders, the use of an AVB Bridge (Switch) is required. The network topology allows the use of one AVB switch, interfacing all Tesira control and AVB connections to it. Alternatively there is also the ability to use a separate non-AVB switch for the control network so long as there is a link between the Control and AVB switches. The link allows control network data to be passed to the AVB network for Biamp's Expander class devices (which have only an AVB port).

Multiple Server, Server IO and TesiraFORTÉ AVB

Multiple TesiraFORTÉ AVB

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SERVER-IO and Expanders

 

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TesiraFORTÉ AVB and Expanders

 

Multiple Switches

TesiraSERVER, SERVER-IO and TesiraFORTÉ AVB

 

SERVER, SERVER-IO and Expanders

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TesiraFORTÉ AVB and Expanders

 

 

Telephony and CobraNet

Tesira systems may use CobraNet interfaces for legacy devices, or telephone connections for conferencing applications.

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