Patent ID: 7503705

Claim:
An electronic system comprising: a removable planar card, the removable planar card including a light emitting diode (LED) disposed on a surface thereof; an attachment flange having a first face and a second face, the second face of the attachment flange substantially parallel to the surface of the removable planar card, the attachment flange having a through flange hole; a bushing installed at the flange hole, the bushing having: an inner member having a head, a threaded shaft extending from the head, and including a through hole along an axis of the inner member, the through hole configured to receive an optical transmission line therein, the inner member inserted through the flange hole such that the head rests on the attachment flange first face; a sleeve having an inner diameter having a first end which is threaded and configured for mating engagement with the threaded shaft and a second end which includes a concave chamber configured to direct light into the optical transmission line, the sleeve threaded onto the shaft such that the attachment flange is clamped between the inner member and the sleeve and a second end of the sleeve is suspended over the LED; and an optical transmission line inserted into the inner member through hole.