12 port fiber terminal box for DIN rail mounted applications The DIN rail type termination box is specifically designed for optical fiber connections in narrow spaces, ensuring seamless cable insertion with its oblique chamfer surface. It's ideal for mini-network terminal distributions. Fiber optic terminal box is a fiber management product for fiber link distribution and protection in FTTH network. These terminal boxes are sized to best match common wiring requirements. The body makes use of cold rolling steel, and the surface use the technique of. ▪ Fiber Optic Terminal Box is a user terminal device., and can prolong terminating, protection and management for the optical cable, which is the necessary device of optical network transfer.