Maintenance of DNWP Access Telecommunication Equipment

Maintenance of an access transmission telecommunication system for connecting secondary EES control systems owned by HOPS, including associated services. The access system comprises digital switches of type Connection Master from manufacturer DNWP and a central control and management system of type SGRwin from manufacturer CIC. Also included is the maintenance of HOPS synchronization access network devices (types OSA 542X and OSA 3350 Cesium clock from manufacturer Adtran) and DWDM transmission devices of type FSP3000C from manufacturer Adtran for redundant connections of Network Centers (MC) with the National Dispatch Center (NDC) and the Reserve National Dispatch Center (RDC). For these devices, the central control and management system of type Mosaic Network Controller from manufacturer Adtran, with the Mosaic Sync Director module for controlling and managing synchronization devices, is used.

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