The OC3port® Plus combines SONET testing features with advanced ATM testing features, giving you the ability to quickly test and troubleshoot any OC3 circuit as well as test ATM equipment and services for proper operation and conformance.
At the physical layer, the OC3port Plus can be used to diagnose many common OC3 network problems. The tester provides complete OC3 Section, Line, and Path error and alarm transmission and monitoring capabilities that enable you to effectively monitor and test OC3 networks from any access point.
In addition to advanced diagnostic and testing capabilities, the OC3port Plus gives you immediate feedback on the condition of any OC3 circuits under test through its front-panel LEDs. The tester also lets you store and print test results, making it possible for you to gather and later examine network statistics.
The OC3port Plus also provides the following:

OUR OC3-P1S INCLUDES:
Software Rev: 3.2
Model: OCS-P1
Options: STM1
Transceiver: Singlemode
Remote: Disabled
Rubber Bumper Case
NiCad Batteries
Power Adapter/Charger"