NETWORK INTERFACE ADAPTERS /
CONVERTERS
Ethernet
/ ASI
|
MEM-4551 Ethernet to ASI Network
Interface Adapter
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Features
- Ethernet to
ASI and ASI to Ethernet conversion
- Ethernet port
settable for Auto/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
General
The MEM-4551 acts as a gateway between an
Ethernet network and an ASI environment.
The MEM-4551 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 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
accomodate most network environments. The ASI
output rate is switch selectable to operate at a
payload data rate of between 1Mb/s and 108Mb/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.
The MEM-4551 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 Eurocars.
Click
here to view data sheet
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