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Compro Real-Time Options

RMS ™ Bus (I or II) to PCI-RMS Bridge
Model Number: 7314-7x0


Configurable to provide RMS Bus ( I or II ) arbitration and termination




The PCI-RMS Bridge provides a path between Compro’s Reflective Memory System (RMS) and the Compro PCI-RMS Ring. The Bridge allows either RMS I or RMS II transfers to propagate to PCI-RMS Nodes and PCI-RMS Node transfers to flow onto RMS I or RMS II Bus. The Bridge provides a method for connecting Nodes to an existing RMS Bus using "state of the art" computing systems. This capability offers a seamless, non-intrusive mechanism to augment Legacy systems with powerful new features using today's computing solutions. By adding PCI-RMS nodes, the architecture can easily expand into a tightly coupled "super-system", cooperatively working on the most challenging applications.

The Bridge requires one node ID on the RMS Bus ( I or II ) and one node ID on the PCI-RMS Ring. Figure 1 displays a block diagram of a PCI-RMS Ring connected to a Concept RMS Bus using the RMS Bus to PCI-RMS Bridge.

Block diagram REFLECTIVE MEMORY Bus I/II Connection to RMS Ring via Bridge.


Physical Description

The Bridge has a similar form factor to an RMC. During installation, an RMC is removed from the RMC Chassis and the Bridge is installed in its place. Compatible RMS Bus cable connectors are provided for connection to the RMS Bus. Two copper PCI-RMS cable connectors are provide for connection PCI-RMS Ring nodes.


List below are the physical and environmental specifications for the RMS Bus to PCI-RMS Bridge :


  Depth: 4.41 inches (12.217 centimeters)
  Width: 15.95 inches (40.513 centimeters)
  Weight: 1.6 lbs ( 0.73 kilograms)


  Operating: Temperature: 32 degrees F to 104 degrees F
(0 degrees C to 40 degrees C)
Relative Humidity: 5% to 95%
  Storage: Temperature: 32 degrees F to 104 degrees F
(0 degrees C to 40 degrees C)
    Relative Humidity: 20% to 80%


  Voltage: 5.0 VDC +/- 5%
    12.0 VDC +/- 5%
  Current: 7 Amps, 5 VDC
    1 Amp, 12 VDC

Ring Healing External Power Requirements

  Voltage: 12.0 VDC +/- 5%
  Current: 1 AMP

Data Rates

RMS I Bus 26MB maximum
  RMS II Bus 52MB maximum
  PCI-RMS 70MB measured
  RMS to Ring 25 MB maximum

Sun, SPARC, Solaris, RMS and Sun Microsystems, Inc. are trademarks or registered trademarks of Sun Microsystems, Inc. CONCEPT/32 is a registered trademark of Compro UNIX is a registered trademark in the U.S. and other countries licensed exclusively through X/Open Company LTD. Windows NT is a registered trademark of Microsoft Corporation. OpenVMS is a trademark of Hewlett Packard Computer Corporation. All other trademarks and registered trademarks are the property of their respective holders.

PDS: 980056
Revised: 09/29/99


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