Patent ID: 7809275

Claim:
A transceiver module, comprising: a TOSA; a ROSA; receiver eye opener circuitry including a first input configured to receive a first serial electrical data stream from the ROSA, and further including a first output through which the first serial electrical data stream passes, the first serial electrical data stream having a jitter value that is lower at the first output than at the first input, wherein the first serial electrical data stream is transmitted to a host; transmitter eye opener circuitry including a second input configured to receive a second serial electrical data stream from the host, and further including a second output through which the second serial electrical data stream passes to the TOSA, the second serial electrical data stream having a jitter value that is lower at the second output than at the second input; and bypass circuitry configured so that at least one of the serial electrical data streams bypasses corresponding eye opener circuitry when the at least one serial electrical data stream has a data rate less than about 10 Gb/s, and wherein the at least one of the serial electrical data streams that bypasses the corresponding eye opener circuitry is transmitted to or received from the host.