The aim of the optical transport network (OTN) is to combine the benefits of the SDH technology with the bandwidth expandability of DWDM. OTNs will apply the operations, administrations, maintenance and provisioning (OAM&P) functionality of SDH, to DWDM optical networks. The OTN is specified in ITU-T G.709 Network Node Interface for the Optical Transport Network (OTN).

delivers the industry’s most compact 10-Gigabit Ethernet (GigE) multifunction tester for the installation and maintenance.
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The modular design of the ONT offers the highest flexibility possible and allows the implementation of several test modules (optical and digital) in one mainframe.
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Modular chasses (three formats) for configuring interface types, transmission rates, protocols, and port density with support for multiple rates on a single port.
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