4GLW Optical Module — 4 km Singlemode Model: 57 1000014 01 Key benefits Reliable 4 km singlemode optical link: delivers stable optical signal transmission over a 4 km distance to extend network reach without intermediate repeaters. Solves connectivity and signal-quality challenges for short metro, campus, or building-to-building links by providing a proven optical interface. Straightforward integration: designed for use in relevant optical-fiber communication systems that accept 4GLW optical modules, reducing deployment complexity. What it does (function) Transmits and receives optical signals over singlemode fiber for point-to-point communications up to 4 km. Meets common communication requirements for optical fiber networks where a stable, short-range singlemode link is required. Important attributes Module type: 4GLW optical module. Fiber support: singlemode optical fiber optimized for 4 km link distances. Performance: provides stable optical signal transmission over the specified 4 km distance. Model number: 57 1000014 01 (use for ordering, compatibility checks, and inventory). Compatibility and installation Intended for systems and equipment that accept 4GLW optical modules; verify chassis or port compatibility using the model number 57 1000014 01. Designed to meet standard communication requirements for singlemode fiber links; consult system documentation for specific interface and mounting details. Typical use scenarios Campus connectivity: link buildings across a campus with a singlemode fiber span up to 4 km for voice, data, and management traffic. Metro access or last-mile links: connect network aggregation points within a city or industrial site where distances do not exceed 4 km. Inter-room or inter-building enterprise connections: provide a dedicated optical link between facilities for secure, stable communications. Specifications summary Product: 4GLW optical module Fiber type: singlemode Maximum link distance: 4 km Model number: 57 1000014 01 Ordering and compatibility note Use the exact model number 57 1000014 01 when ordering or verifying compatibility to ensure correct fit with your optical communication equipment.