Communication network

Details Communication network Communication network

H - Electricity

04

B

325/1

H04B 9/00 (1985.01)

Patent

CA 1230382

- 1 - Abstract: The present invention relates to a method of calibrating transmitting devices in a star configuration optical network which interconnects a plurality of data handling stations, where the network is a hub. The method is comprised of the steps of adjusting a threshold detector in the hub to a predetermined level and adjusting the transmitting device of one of the stations connected to the network to transmit a signal of sufficient amplitude to exceed the predetermined level. The method further includes the two steps of detecting signals exceeding a predetermined level in the network by the detector and adjusting the transmitting device of the one station to transmit another signal of a lower amplitude than the last previously transmitted signal. The last two steps are then repeated until no signal exceeding the predetermined level is detected. The threshold detector is then adjusted to a new level which is an increment lower than the predetermined level. The transfer of signals through the hub is then inhibited for all signals below the new level.

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