Application Note TRANSPORT CUBE for simplicity, security and reliability D-5122 Introduction Due to existing myriad of network topologies and data transmission standards interoperability has been of utmost importance. Various devices have been developed to enable connection of different networks. The TRANSPORT CUBE series is a carrier grade, cost effective and very flexible modular platform that combines a multi-protocol transport platform for metro applications with optionally build-in test and measurement equipment (OAM and performance monitoring). The TRANSPORT CUBE enables network operators to implement a wide range of signal boosting, media conversions and information security with a comprehensive set of quality of service (QoS) features. Highlights • Extremely simple plug and play installation with user friendly graphical interface. • High density chassis design with modular structure. • Supporting multiple services from 10Mbps to 10.7Gbps for Ethernet, SDH, Fiber Channel, OTN, digital video, others. • Media conversion, repeater (2R/3R), Ethernet demarcation, performance monitoring (QoS), optical protection switching, build-in line protection options. • Option of amplification (EDFA or SOA) for reach extension. • Optional encryption for information security. • Cost efficient carrier-class OAM. • Highly reliable. Application : Reach extension 1) Repeating The TRANSPORT CUBE can be utilized for the applications where the link length is much more than the defined power budget. The TRANSPORT CUBE can be placed as a repeater in the middle of the two locations. It then first converts the incoming optical signal to an electrical signal and performs re-amplifying, reshaping and retiming, commonly known as 3R functions. The electrical signal is then used to drive the laser, which generates the optical signal having the same optical wavelength as the received signal. 2) Amplifying In addition, reaches may be extended by SOA and EDFA amplifiers which can be used in combination with the transponders or as stand-alone, to boost and / or pre-amp signals. The SOA PREAMPLIFIER Unit extends the reaches of pluggable 40Gbase-LR4 and 100Gbase-LR4 transceivers from 10 to ca. 40km. The DWDM AMPLIFIER Unit is an EDFA which be used for C-band DWDM applications to maximize the transmission reach. 4x4 CDR CDR CDR XFP Port 3 XFP Port 2 XFP Port 1 Document: D-5122 Rev.A1 Page 1/4
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