Base Module Switch has a distributed architecture. A Base Module [BM] has 512 ports, which can provide non-blocking connectivity and can accept concentrated subscriber lines. HTL Ltd is an ISO 9001 awarded company that manufactures Base Module Switch.
HTL Ltd also manufactures wide range of telecom products. Base Module Switch is capable of serving up to 2 000 lines or 512 trunks. It is used as the basic building block. Each BM is housed in a single cabinet. The front-end of the system consists of an Input Output Processor [IOP] connected to the Administration Processor [AP]. Each system consists of two IOPs working in duplex mode. IOP, based on Motorola 68010 and supporting UNIX environment, provides interface for the man machine communication, system initialisation support, operator features, etc.
