This part is a kind of semiconductor called A187.

Function of this product has Video FTTH Optical Network Unit .

Manufacturers : ACI

Image and pinout :

Some of the text within the PDF file :

A187 V-ONU 870MHz Video FTTH Optical Network Unit Free Datasheet http://www.0PDF.com ACI Communications, Inc. Overview The A187 V-ONU is a high performance CATV optical receiver for converting TV signal from optical fiber network into RF signal over coax cabling in residential homes. This module features compact size, high CNR, low distortion, low power consumption, easy installation and cost effectiveness. It supports conventional analog TV RF as well as Digital Video Broadcasting signals. The A187 is the best choice to be used in combination with a managed Ethernet gateway to deliver FTTH triple play services. Features Remote powering. Provide the interface of Network service for FTTH application. Compact integrated mechanical. Module design and Plug & Play function. Block Diagram [ ... ]

A187 PDF Datasheet Download