PLAINTREE SYSTEMS INC.

CHANNEL CAST

frame switch;CHANNEL;

FASTLINX

module that converts data transmissions from one protocol to another;

GIGAMODULE

data bus interface unit;GIGA MODULE;

MSL ULTRA

data bus interface units; data receivers; data transmitters; parts for the aforesaid;

NEXTWAVE SWITCHING

data transmitters, data receivers, data bus interface units, data routers, combined LAN switch and LAN routers, frame switches, module that route incoming data signals along different physical and/or virtual transmission paths, interface bridge to LAN's, data transmitters, protocol converter modules that convert data transmissions from one protocol to another, and data systems composed of the aforesaid goods and parts of the aforesaid goods;NEXT WAVE SWITCHING;SWITCHING;

PLAINTREE

data transmitters; data receivers; data bus interface units; data transmission systems; namely, local area network hub, cable termination modules, computer interface circuit cards, fiber-optic cables and connectors, computer software used for operation of the foregoing, and parts of the foregoing;

SMARTARP

LAN switches; local area network switches;

SMARTSAP

service access point circuits for receiving and transferring data;SMART SAP;

SMARTVIPS

computer hardware and peripherals, namely, data bus interface units, data receivers, data transmitters, and data routers all sold individually and as units and featuring the ability to determine which host computers are located in which subnetworks that are in communication with the aforesaid goods;

SROUTER

combined lan switch and lan router;

VROUTER

computer hardware that routes incoming data signals along different physical and/or virtual transmission paths;

WAVEBRIDGE

interface bridge to Local Area Network (LAN) and parts thereof;WAVE BRIDGE;

WAVESWITCH

data bus interface units; data receivers; data transmitters; parts for the aforesaid;WAVE SWITCH;

WAVEVIEW

computer software for management of networks, and operation manuals therefor;WAVE VIEW;