Optical transmitter module and optical transmitter apparatus

Optical transmitter module and optical transmitter apparatus

An optical transmitter apparatus includes a plurality of optical transmitter modules and a host controller. A module controller in each module determines whether the modulation current of a laser diode in the module is an anomaly, and also determines whether the temperature of the laser diode is an...

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Hauptverfasser: OOMORI HIROTAKA, HAYASHI SHIGEO, YONEDA HARUKI
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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creator OOMORI HIROTAKA
HAYASHI SHIGEO
YONEDA HARUKI
description An optical transmitter apparatus includes a plurality of optical transmitter modules and a host controller. A module controller in each module determines whether the modulation current of a laser diode in the module is an anomaly, and also determines whether the temperature of the laser diode is an anomaly. If the modulation current or the temperature of the laser diode has an abnormal value, the module controller generates and sends an alarm signal from an alarm-outputting terminal. The alarm-outputting terminals of the modules are connected to an alarm-receiving terminal of the host controller in a wired-OR connection.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
title Optical transmitter module and optical transmitter apparatus
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