| MRV Products Founded in 
1988 by Caltech scientists, MRV has had a long history of technology 
innovation.  We were early pioneers in the field of fiber-optic transmitter 
and receiver components, and have long held a technology leadership position in 
several forms of optical transport.  MRV was also among the early pioneers 
in Ethernet networking, with the first 100Base-TX uplink module first affordable 
10/100 auto-sensing Ethernet switch, the first Gigabit Ethernet uplink module 
and the first Gigabit Ethernet switch.  At the same time, our components 
division was pioneering affordable, small form-factor Coarse Wave Division 
Multiplexing technology.  In the mid-1990s MRV combined these two 
technologies together, to produce the first ever multi-gigabit Ethernet line 
interface using 4 channels of CWDM technology together with an early form of 
link aggregation.
 
 MRV has extended its lead in optical technology with a 
broad range of Pluggable Optical 
Interfaces, including Gigabit Interface Converters (GBIC), Small Form 
Pluggable (SFP) and 10 gbps Small Form Pluggable (XFP). Pluggable interfaces 
comprise a series of technological enhancements to traditional optical or copper 
interfaces. First and foremost, they are very small hot-swappable modules that 
can easily be removed from the host device.
 
 This simple and powerful 
concept allows a dramatic increase in flexibility. If the host device supports 
protocol transparency then one can build a tremendous variety of applications 
with a very small number of host system types. For example, the EM316-MR module for the Fiber Driver? system provides 
two SFP interfaces that can be configured with virtually any type of copper or 
fiber SFP.
 
 MRV has also developed an exclusive Gigabit Multimode Extender 
technology that allows Gigabit data streams to operate on multimode fiber at 
distances significantly exceeding the standard (up to 2km).  This 
technology also extends 100Mbps signals to even longer distances (8km).  We 
also continue to push the envelope on affordable Coarse Wave-Division Multiplexing, with new optical 
modules.  We have even created a unique fiber-optic cable assembly that 
includes a single-channel optical add-drop multiplexer inside the cable. 
 Both the FiberDriver 
and OptiSwitch 
product families feature GMX and WDM technologies.
 
 Through our In-Reach product family, 
(resulting from the Xyplex acquisition), MRV has become a pioneer and leader in 
Remote Presence Management 
solutions, including console, alarm, sensor and power management.  We 
continue to pioneer in this area, and recently introduced the LX-4000, a scalable family of 
extremely cost-effective remote management solutions.
 
 Through our TereScope product family 
(resulting from Jolt and AstroTerra acquisitions), MRV has become the world 
leader in Free-Space Optics, 
(or Optical Wireless) technology.  With the broadest product set of any 
vendor in the FSO space, we have deployed more than 5500 links and have 19 FSO 
patents and counting.  Recently, we released an exclusive product, the Photonic Air Link, which 
provides a rooftop wireless optical link without requiring any electrical power 
on the roof.
 
 We continue to pioneer in the Ethernet world as well.  
Our Ethernet 
Circuit technology provides circuit-style Quality of Service in an Ethernet 
packet-based medium.  Ethernet-over-VDSL provides 
a copper loop solution for data services up to 8,000 feet sharing the same 
wiring as the telephone line.  Our Voice-over-Ethernet 
technology allows Enterprises to build campus networks with both voice and data 
on a simple Ethernet backbone, with full quality on the voice.  Finally, 
our Virtual Private 
LAN Services technology allows Metro Ethernet providers to offer multi-site 
customers full business solutions for connections from site to site without 
interfering with the customers' networks.
 
 |  | MRV Products 
 By Category
  Out-of-Band Console & Power Management
 Pluggables
 Wave Division Multiplexing
 
 By Product Line
  OptiSwitch
 TereScope
 
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