231200 ⎘
Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Switch matrix system and method
#2Provision of telecommunication services
#3Provision of telecommunication services
#4Provision of telecommunication services
#5Provision of telecommunication services
#6Telecommunications device having distribution units arranged in block configuration
#7Control method for a telecommunication distribution system
#8Telecommunications distribution system with line sharing
#9Telecommunication distribution device with multi-circuit board arrangement
#10Method for controlling a device for distribution of signals