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Ethernet to ASI Network Interface Adapter available from IRT Electronics

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article image MEM-4551 Ethernet to ASI Network Interface Adapter

MEM-4551 Ethernet to ASI Network Interface Adapter acts as a gateway between an Ethernet network and an ASI environment.

The MEM-4551 Ethernet to ASI Network Interface Adapter from IRT Electronics generates a compliant DVB ASI transport stream, with a settable Program Number identifier, at a fixed settable data rate.

When Ethernet data is available to send it is encapsulated into ASI packets. When there is no Ethernet data available, NULL packets are used to stuff the ASI stream to the selected rate.

On the receive side packets containing Ethernet data are extracted from the ASI stream by reference to the assigned Program Number.

The MEM-4551 Ethernet to ASI Network Interface Adapter acts as an Ethernet bridge. A dynamic MAC address table is formed over time which allows filtering of the Ethernet packets being forwarded through the ASI link.

The Ethernet port is set up automatically to accommodate network environments. The ASI output rate is switch selectable to operate at a payload data rate of between 1 Mb/s and 108 Mb/s.

The Ethernet port has automatic MDI/MDI-X detection.This detects whether the Ethernet interconnect cable is a straight through or cross over type and automatically switches itself to accommodate.

The output ASI stream is suitable for transfer by any ASI type of signal path, such as IRT’s ASI single and MUX fibre link cards. Also G.703 rates are available on the output to cooperate with ASI-G.703 products. For full duplex action a return link is required.

An optional SNMP (Simple Network Management Protocol) plug in module is available for remote monitoring and control when used in conjunction with IRT’s 4000 series frame fitted with SNMP capability for the MEM-4551 Ethernet to ASI Network Interface Adapter.

The MEM-4551 Ethernet to ASI Network Interface Adapter is designed to fit IRT’s standard Eurocard frames as well as IRT’s 4000 series frame for use with IRT’s SNMP system and may be used alongside any other of IRT’s analogue or digital Eurocards.

Features:

  • Ethernet to ASI / ASI to Ethernet conversion
  • Ethernet port automatically set for 10/100/half/full operation
  • Automatic MDI/MDI-X port
  • 32 ASI rates between 1 Mb/s and 108 Mb/s
  • Optional plug-in SNMP monitoring and control module

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