Concurrent launches CL PMC/GB4 fibre adaptor
Concurrent Technologies
CL PMC/GB4 two-channel optical fibre adaptor
Concurrent Technologies has announced the CL PMC/GB4 two-channel optical fibre adaptor as the latest addition to its range of networking PMC mezzanine cards.
The CL PMC/GB4 optical fibre adaptor supports dual SFP connectors with board options for 1000Base-SX Multi-Mode or 1000Base-LX Single-Mode fibre interfaces.
Commercial and extended temperature versions are available.
The company said the board is particularly suitable for defence or industrial applications requiring a high level of noise immunity and higher data throughput while maintaining a wider separation of network nodes.
The CL PMC/GB4 provides high-speed networking through the Intel 82546GB Gigabit Ethernet controller, providing individual MAC and frame controllers supporting 64Kbyte Tx/Rx FIFO ports, along with IP, TCP and UDP checksum off-loading.
Supporting 1000Base-SX over 850nm Multi-Mode fibre connections or 1000Base-LX over 1310nm Single-Mode fibre connections, the adaptor's physical connection to a network is via industry standard SFP transceiver modules.
By using SFP connectors the CL PMC/GB4 provides the user with the flexibility to choose the most appropriate standard fibre or copper transceiver modules for their particular application.
The CL PMC/GB4 is a single-size card and is compliant with the CMC (Common Mezzanine Card) specification.
The adaptor complies with the PCI specification, features 3.3V or 5V signalling and 32-bit or 64-bit transfers, can operate at PCI-33/PCI-66 or up to PCI-X 133, and includes bus master capability.
The adaptor does not require an onboard PCI bridge as the Intel 82546GB is a dual-channel controller that connects straight to the host board's PCI bus.
A 512Kbyte BIOS EPROM is supported in a 32-pin PLCC JEDEC socket and includes PXE firmware.
This board can be used with Concurrent Technologies' CompactPCI, VME, VXS host boards or any other PMC-compliant host board.
Integration is simplified due to the Intel 82546GB Gigabit Ethernet controller being well supported by today's operating systems.
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