Technical Review: Senior Network Infrastructure Directorate • Los Angeles Small Networks
High-speed campus links between buildings require single-mode (OS2) and multi-mode (OM4) fiber infrastructure verified with calibrated Optical Time-Domain Reflectometry (OTDR).
1. Fiber Optic Connector Types & Polishing Specs
Connector & Polish
Insertion Loss
Return Loss (Back Reflection)
Application
LC/UPC (Ultra Physical Contact)
≤ 0.20 dB
≥ -55 dB
Standard 10G/40G Data Center Patching
LC/APC (Angled Physical Contact - 8°)
≤ 0.25 dB
≥ -65 dB (Minimal Echo)
Long-haul single-mode & RF over Fiber
MPO/MTP-12 / MTP-24
≤ 0.35 dB
≥ -60 dB
100G/400G Backbone Trunk Cables
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Authored by Los Angeles Enterprise Network Engineering Directorate
Our team architects high-availability switching fabrics, Fortinet/Palo Alto perimeter firewalls, Wi-Fi 6E/7 wireless site surveys, and HIPAA/SOC 2 compliant network segmentation for businesses across Greater Los Angeles.