An optical cable can be terminated in a fiber termination box that supports multiple configurations, typically ranging from 2 to 24 or more output ports depending on the box type.

Terminal Box Configurations

Fiber termination boxes (FTBs) are designed to terminate, splice, and manage optical fibers safely. The number of terminal connections depends on the box type and design:

• Straight-through terminal boxes: Usually have a single input and multiple outputs, e.g., 2 in / 8 out, 4 in / 12 out, or 4 in / 24 out .
• Branched-type terminal boxes: Feature several input and output ports to handle multiple fibers simultaneously .
• Port-based boxes: Commonly available in 2, 4, 6, 8, 12, or 16 port configurations, allowing each fiber in the cable to connect to a pigtail or patch cord .

Factors Affecting Capacity

1. Number of fibers in the incoming cable: A 4-core cable can be spliced to 4 pigtails, while a 12-core cable can support up to 12 connections .
2. Internal splitters: Some boxes can accommodate PLC splitters (e.g., 1x8), increasing the number of end-user connections without adding more physical fibers .
3. Box type and installation: Indoor wall-mounted boxes are compact and may support fewer fibers, while outdoor or rack-mounted boxes can handle larger fiber counts and more complex splicing arrangements .

Practical Example

A typical 16-port outdoor FTB can terminate a single feeder cable and connect up to 16 subscribers. If equipped with two 1x8 splitters, it can serve up to 16 users from fewer input fibers, providing flexibility for network expansion .

Summary

The number of terminal boxes or connections an optical cable can have is not fixed; it depends on the fiber count, box type, and network design. Standard configurations range from 2 to 24 ports, with options for splitters to increase capacity efficiently. Proper selection ensures safe fiber management, easy maintenance, and scalability for future network growth .