Board SBK provides access to the network ISDN. For the purpose of provision of basic and extended services, the board supports user signaling DSS1 on ports with the interface Uko, which allows seamless integration and link with ISDN-terminals.

Image 9: Board ISDN

Interfaces:
16 ports BRA ISDN Uko
1 x eth. interface RJ45
1 x RS232

Functionality:
16 interfaces ISDN Uko

The board is controlled via the TCS MNS Management System, which allows for conducting centralized procedures for installation, reserve copy, gathering of equipment data, provision of quality of service and allocation of resources, control of failures, and control over productivity. Operators may control the subscribers' ISDN through OSS/BSS systems, using the «Server Interface» (NBI) of OpenMN system, which is a part of TCS MNS.