Patent ID: 6973227

Claim:
An optical communication device, comprising: a printed circuit board; an optical element module arranged near a first side of the printed circuit board and having a first surface perpendicular to the printed circuit board; a plurality of driving signal leads provided on the first surface of the optical element module for supplying driving signals to the optical element module; a monitoring signal lead provided on the first surface of the optical element module for supplying a monitoring signal to the optical element module; a plurality of driving signal lands provided on the printed circuit board and connected to the driving signal leads and a monitoring signal land connected to the monitoring signal lead; wherein the driving signal lands connected to the driving signal leads are arranged near the first side of the printed circuit board so as to reduce lengths of the driving signal leads; and the monitoring signal land connected to the monitoring signal lead is situated farther away from the first side of the printed circuit board than the lands connected to the driving signal leads so as to increase the physical separation between the driving signal lands.