The minimum fiber patch cable length is 1 m for both single-mode and polarization-maintaining fibers. The length of Fiber Optic Patch Cables holds significant sway over the overall performance and stability of a network. As such, understanding the implications of cable length on network performance is crucial for. This is why a common length like the 2m LC LC patch cord, a 3m or even 5m patch cord is widely used, for instance, they strike a balance between flexibility and performance. MU The information in this document is subject to change without notice. FS has made all efforts to ensure the accuracy of the information, but. The most common lengths are: 1 Meter (3.