Station side apparatus, subscriber side apparatus and optically communicating system apparatus
First Claim
1. A subscriber side apparatus in an optically communicating system for carrying out an optical communication in two ways between a station side apparatus and said subscriber side apparatus, comprising:
- a unit for detecting a power level of a downward light input signal from said station side apparatus; and
a unit for transmitting a control information corresponding to that detection value to said station side apparatus.
1 Assignment
0 Petitions
Accused Products
Abstract
This subject is to reduce a variation width in an optical output power even if the number of photodiodes for monitoring an optical output power of a station side apparatus is reduced.
A subscriber side apparatus 200 detects a power level of a downward light input signal from a station side apparatus 100, and transmits a control information corresponding to that detection value to the station side apparatus. The station side apparatus controls a power level of a downward light output signal on the basis of the control information.
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Citations
26 Claims
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1. A subscriber side apparatus in an optically communicating system for carrying out an optical communication in two ways between a station side apparatus and said subscriber side apparatus, comprising:
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a unit for detecting a power level of a downward light input signal from said station side apparatus; and
a unit for transmitting a control information corresponding to that detection value to said station side apparatus. - View Dependent Claims (2, 3, 4, 5)
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6. A station side apparatus in an optically communicating system for carrying out an optical communication in two ways between said station side apparatus and a subscriber side apparatus,
wherein said subscriber side apparatus detects a power level of a downward light input signal from said station side apparatus and transmits a control information corresponding to that detection value to said station side apparatus, and it includes a unit for controlling a power level of a downward light output signal to said subscriber side apparatus in accordance with said control information.
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11. A station side apparatus in an optically communicating system for carrying out an optical communication in two ways between said station side apparatus and a subscriber side apparatus,
wherein a power level of a downward light output signal to said subscriber side apparatus is controlled on the basis of a power level of an upward light output signal from said subscriber side apparatus.
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16. An optically communicating system for carrying out an optical communication in two ways between a station side apparatus and a subscriber side apparatus,
wherein said subscriber side apparatus detects a power level of a downward light input signal from said station side apparatus and transmits a control information corresponding to that detection value to said station side apparatus, and said station side apparatus controls a power level of a downward light output signal to said subscriber side apparatus in accordance with said control information.
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22. An optically communicating system for carrying out an optical communication in two ways between a station side apparatus and a subscriber side apparatus,
wherein said station side apparatus controls a power level of a downward light output signal to said subscriber side apparatus on the basis of a power level of an upward light output signal from said subscriber side apparatus.
Specification