A型光化交接箱全光化模組，裝設於屋外地上型光化交接箱內，作為被動式光纖網路(PON)中光分歧器的戶外集中收容以及光纜匯分之用。

Full photochemical module of type A of photochemical distribution box is equipped in outdoor ground photochemical distribution box. It is used for outdoor centralized collection and cable convergence & splitting of ratio coupler in passive optical network (PON).