features: - laser class 1 - sonet and itu sdh compatible - msa compliant - short-reach, long-reach and dwdm applications - uncooled dfb or ilm transmitters - pin-pd or apd receiver with cdr - 50 ohm differential data/cloc......features: - laser class 1 - sonet and itu sdh compatible - msa compliant - short-reach, long-reach and dwdm applications - uncooled dfb or ilm transmitters - pin-pd or apd receiver with cdr - 50 ohm differential data/clock inputs and outputs - compact 24-pin dip - alarms, controls and performance monitoring functions - high performance and field-proven high reliability applications: - sonet/itu-sdh add and drop multiplexers - digital cross-connect systems - dwdm transport systems - metropolitan and access systems - ip router and atm core switch