The 7660-114 OC-12c/STM-4c NIM for Carrier Access Broadmore 1750 chassis provides OC-12c/STM-4c connectivity at 622.080 Mbps over single‑mode fiber. It uses SC fiber optic connectors and is specified as Intermediate Reach, Single Mode fiber, with two slots labeled A (Protection) and B (Working). 7660-114 corresponds to the Intermediate Reach option; the related 7660-113 is the Premise Reach (Multi‑Mode) variant. This NIM is part of the Broadmore family and is used to extend OC‑12 backhaul capabilities in carrier infrastructure.
