Specifications

MDR User Guide 9
1.10 Supported PMCs
The PMCs currently supported by the MDR module are:
• VMFC-2100 Fibre Channel PMC
• DPIO FPDP PMC
• DE520 Ethernet PMC
• SC-PMC/875 SCSI PMC
1.10.1 Fibre Channel Storage
The permanent storage medium used by MDR is based on commercial hard disks using
the FC-AL (Fibre Channel Arbitrated Loop) interface. MDR gets its disk recording
performance from using an array of Fibre Channel disks such as RAID (Redundant
Arrays of Inexpensive Disks) or JBOD (Just a Bunch Of Disks) units.
1.10.2 FPDP - Digital I/O
An MDR system normally interfaces to its data source with a digital I/O interface based
on the industry standard FPDP (Front Panel Data Port) specification (Proprietary ports
may also be accommodated; please consult factory). The FPDP interface is a 32-bit
synchronous input/output parallel interface which is specified to operate at clock rates of
20 MHz (TTL) @ 32 bits, 25 MHz (PECL) @ 32 bits, and 40 MHz (PECL) @ 16 bits.
The FPDP interface is used by a variety of third party vendors with products such as A/D
converters, D/A converters and DSP boards.
1.10.3 Ethernet Host Interface
The MDR system utilizes an Ethernet PMC module to provide networking access to
hosts like a PC or workstation. The Ethernet PMC modules supported are the Compaq
DE520 and Rockwell Network Systems 2350 PMC FAST ETHERNET.
1.10.4 SCSI PMC Backup
The MDR uses the SCSI PMC module to provide connectivity to SCSI tape stations for
backup purposes. The SCSI PMC current module supported is SC-PMC/875 from
Concurrent Technologies.
For further information on the supported PMCs, see Appendix D: Supported PMCs
Documentation
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