Description
Part Number VMIACC-5595-208 • Enclosure: Rack Mount or Desktop • Number of Single-Mode (10km) Pluggable Transceivers: 0 • Number of Multimode Pluggable Transceivers: 8
The GE Fanuc / VMIC VMIACC-5595 Gb/s Reflective Memory Hub Assembly is a managed hub designed to operate with the GE Fanuc / VMIC 5565 family of Reflective Memory real-time network products. The Reflective Memory hub can automatically bypass ports when it detects a loss of signal or the loss of valid synchronization patterns, allowing the other nodes in the network to remain operational. Since the optical ports are implemented with small form factor pluggable (SFP) transceivers, only the required ports need to be populated. The VMIACC-5595 SFP transceivers can be a combination of either multimode (short distance) or single-mote (long-distance) transceivers. This feature permits a cost saving in small networks as well as system optimization. For larger networks, several VMIACC-5595 assemblies can be cascaded, permitting a managed hub aray with up to 256 nodes. Each port regenerates the serial optical signal, eliminating the problems with insertion losses and cable attenuation. Signal regeneration also reduces jitter. The RS232 port gives the ability to monitor and control the Reflective Memory network through a simple PC serial port. The Ethernet port feature allows the user to monitor and control the hub from great distances through a local area network (LAN) or via a Web browser The VMIACC-5595 can be configured as a 19-inch 1U rack-mountable enclosure or as a desktop enclosure. The universal power supply permits operation with nearly any international power standard. The VMIACC-5595 automatically bypasses ports when the absence of valid synchronization patterns is detected. Three LEDs, adjacent to each port, provide a visual indication of the port status. Additional status indications and modes of operation are available through either the serial port or the Ethernet port. Status information includes the detection of installed transceivers, the detection of signal (light), the detection of valid synchronization patterns, and the port operation speed (2Gb/s). Control registers allow the channel bypass to be based on the absence of a single valid synchronization pattern or multiple synchronization patterns. A bypass can also be based simply on the loss of a signal (light). In addition, each port can be manually forced either active or bypassed regardless of the status indicators.
Features: • For use with GE Fanuc Embedded Systems’ VMIxxx-5565Reflective Memory network of products • Provides up to eight ports using small form factor pluggable(SFP) transceivers • Hub assemblies can be cascaded with a maximum of 256nodes • Automatically bypasses defective or disconnected nodes in afiber-optic network • Automatic bypass can be optionally controlled by the loss ofsignal or by the loss of sync pattern • Each port regenerates the serial optical signal, eliminatinglink losses and reducing jitter • Configurable for use with cables up to 10km in length • 10BaseT Ethernet TCP/IP port for remote access and control • RS232 port for local access and control • Optional 19-inch 1U rack mount or desktop enclosure • Internal universal power supply • Dark on Dark option turns off the board’s transmitter if thereceiver does not detect a signal (available for firmwareversions 02.00 and later
The VMIACC-5595 is a managed hub designed to operate withthe GE Fanuc Embedded Systems’ VMIxxx-5565 family ofReflective Memory real-time network products. The ReflectiveMemory hub can automatically bypass ports when it detects aloss of signal or the loss of valid synchronization patterns,allowing the other nodes in the network to remain operational.Since the optical ports are implemented with small form factorpluggable (SFP) transceivers, only the required ports need to bepopulated. The VMIACC-5595 SFP transceivers can be acombination of either multimode (short distance) or single-mode(long distance) transceivers. This feature permits a cost saving insmall networks as well as system optimization. For largernetworks, several VMIACC-5595 assemblies can be cascaded,permitting a managed hub array with up to 256 nodes. Eachport regenerates the serial optical signal, eliminating theproblems with insertion losses and cable attenuation. Signalregeneration also reduces jitter. The RS232 port gives you theability to monitor and control your Reflective Memory networkthrough a simple PC serial port. The Ethernet port feature allowsyou to monitor and control the hub from great distancesthrough a local area network (LAN) or via a Web browser. As an option, the VMIACC-5595 can be configured as a 19-inch1U rack-mountable enclosure or as a desktop enclosure. Theuniversal power supply permits operation with nearly anyinternational power standard.
The VMIACC-5595 automatically bypasses ports when theabsence of valid synchronization patterns is detected. ThreeLEDs, adjacent to each port, provide a visual indication of theport status. Additional status indications and modes ofoperation are available through either the serial port or theEthernet port. Status information includes the detection of installedtransceivers, the detection of signal (light), the detection of validsynchronization patterns and the port operation speed (2Gb/s).Control registers allow the channel bypass to be based on theabsence of a single valid synchronization pattern or multiplesynchronization patterns. A bypass can also be based simply onthe loss of a signal (light). In addition, each port can be manuallyforced either active or bypassed regardless of the statusindicators. An additional control register permits the transmitter of any portto be manually disabled. Front panel manual switches include a recessed momentaryreset switch and a Gang Select switch. The Gang Select switchconfigures the VMIACC-5595 ports as one loop of eight ports ortwo separate loops of four ports each.
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The main products are various modules/cards, controllers, touch screens, servo drivers
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