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The lightweight CoLT-250S verifies that SHDSL services can be properly delivered from the central office to the business subscriber. It also validates that the local loop can carry the promised servic...

CoVALT provides the best test features for both worlds. With an ergonomic and rugged design optimized for testing voice and data services, the CoVALT VoIP/DSL/POTS Test Set is the ideal tool for testi...

The stand-alone DFL-5720 Digital Frequency Locking System enables hassle-free optimization of locking processes.

The EPX2000 Transmitter supports OC-192 or STM-64 signal generation with selectable payload mappings. It is designed for all of gnubi’s chassis models. You can easily switch between SONET and SDH prot...

The EPX210 Quad Port Module supports E1 signal generation and monitoring. It is designed for all of gnubi’s chassis models. You can configure the module as a fourport transmitter, a four-port receiver...

The EPX300 Transceiver supports DS3 signal generation and monitoring. It is designed for all of gnubi’s chassis models.

The EPX3000 Receiver supports monitoring OC-192 or STM-64 signals with selectable payload mappings. It is designed for all gnubi’s chassis models. You can easily switch between SONET and SDH protocols...

Extending the flexibility of the EPX™ and TransPort™ Test Systems, the Dual Gigabit Ethernet module is a transceiver that provides the highest port density available for testing multi-layer Ethernet e...

The EPX610 Transmitter supports STM-1 signal generation with selectable Virtual Container (VC) payload mappings. The physical interface is electrical with CMI encoding. It is designed for all gnubi’s ...

The EPX800 Transceiver supports STS-1 signal generation and monitoring with selectable payload mappings