Patent ID: 7149430

Claim:
An optoelectronic transceiver, comprising: a first controller integrated circuit (IC) and a second controller IC, each comprising: logic; a memory configured to store digital diagnostic data corresponding to operating conditions of the optoelectronic transceiver, including data selected from a group consisting of: a loss of received power (RxLOS) signal, a photodiode monitor signal, a power supply voltage (Vcc), an internal temperature, a direct current (DC) bias current, a DC bias power, a transmitter current, a transmitter power, a receiver current, a receiver power, a Thermoelectric Cooler (TEC) temperature, and a TEC load, where at least some of said digital diagnostic data is common to both said first controller IC and said second controller IC; an interface electrically coupled to said memory and configured for communicating said diagnostic data to a host external to said optoelectronic transceiver; and at least one input port electrically coupled to said memory and configured to receive said diagnostic data from other components within said optoelectronic transceiver, including components selected from a group consisting of: a Transmitter Optical Subassembly (TOSA), a Receiver Optical Subassembly (ROSA), a laser driver IC, a post amplifier IC, an Avalanche Photodiode (APD) power supply, a Thermoelectric Cooler (TEC) driver IC, and a power controller IC.