…Virtual Channel Identifier VCL Virtual Channel Link VCM Virtual Concatenation-group Member VCO Voltage Controlled Oscillator VCR Video Cassette Recorder VCSEL Vertical Cavity Surface-Emitting Laser VCXO Voltage Controlled Crystal Oscillator VDC Volts Direct Current VDSL Very-high-bit-rate Digital Subscriber…

…systems. Ciena will initially apply this data rate-scalable technology to 10Gbps router-to-router and router-to-network connections. VSR Optics leverage VCSEL (Vertical Cavity Surface Emitting Laser) technology and Gigabit Ethernet standards to make variable-rate optical services not only possible, but highly…