llms.txt
+8
https://optilibra.com/llms.txt
+ - [Scaling 800G/1.6T module test: optical switch matrices for burn-in, aging and parallel screening](https://optilibra.com/blog/optical-switch-matrix-transceiver-burn-in-parallel-test): How transceiver factories and contract manufacturers use N×M optical switch matrices to share instruments across burn-in racks, temperature chambers and screening stations, and which figures to check.+ - [Fiber cuts: how ISPs keep a route up with optical line protection (OLP)](https://optilibra.com/blog/fiber-cut-protection-olp-for-isps): Why one fiber cut takes a route down, how OLP 1+1 and 1:1 switch traffic to a second path, why the two paths must be physically separate, and how an OTDR card finds the break.+ - [No spare fiber? Adding 100G capacity over the fiber pair you already have](https://optilibra.com/blog/add-100g-capacity-without-new-fiber): How DWDM carries many 100G services on one fiber pair, when a compact 1RU system is enough, and what decides whether a link needs amplification.+ - [CWDM or DWDM? A practical guide for regional ISPs](https://optilibra.com/blog/cwdm-vs-dwdm-for-isps): Channel count, speed, distance and amplification: how to choose between CWDM and DWDM for a regional network, and when to start with one and move to the other.+ - [Choosing an optical switch for transceiver test: 1×N, N×M OXC or MEMS](https://optilibra.com/blog/choosing-optical-switch-for-transceiver-test): A selection guide for 800G/1.6T transceiver production and lab test: switch architecture, insertion loss, switching time, durability, wavelength range and control interface.+ - [One OTDR, many fibers: optical switches for automated fiber monitoring](https://optilibra.com/blog/optical-switch-otdr-fiber-monitoring): How an optical switch shares one OTDR across many fibers, which switch figures matter for monitoring, and how it fits with optical line protection.+ ## Cases+ - [Customer case, product cases and reference architectures](https://optilibra.com/cases)