Aug 5, 2026Network Deployment
10G BiDi SFP+ 40km Guide: Pairing, Power Budget and Compatibility
Use this 10G BiDi SFP+ 40km guide to verify wavelength pairing, optical budget, receiver overload, switch compatibility and commissioning checks.
Journal
Stories and guides
Read buying guides, product notes, material stories, and field updates from the team.
All stories
25 stories
Read
Jul 24, 2026Optical Transceiver Guide
Case Study: How a Czech Network Integrator Secured Multi-Brand Optics Supply During the 2026 Shortage
A Czech network integrator consolidated Huawei, Cisco, Mellanox, Intel, and Aruba optics sourcing through one supplier — keeping designs intact with zero module failures during the 2026 shortage.
Jul 23, 2026Optical Transceiver Guide
Why Your SFP Module Works on MikroTik but Not on Cisco (And 3 Ways to Fix It)
Your third-party SFP works on MikroTik, but Cisco rejects it? Learn why vendor coding causes this, plus 3 proven fixes: CLI commands, EEPROM recoding, or pre-coded modules.
Jul 9, 2026Network Deployment
How a U.S. Electric Cooperative De-Risked a 400G Core Ring Upgrade
How a U.S. electric cooperative validated 100G and 400G ER4 optics with multi-vendor compatibility and no MOQ before scaling its core ring upgrade.
Jul 3, 2026Network Deployment
100G BiDi and WDM Strategies for Fiber-Constrained ISPs in Latin America
A concise, field‑tested guide to choosing SFP/SFP+/QSFP28 optics for small and regional ISP networks. Start from the link type--access, aggregation or edge--then narrow down by speed, distance, fiber
Page 3 of 3
Recommended products
Products to pair with your reading
Popular pieces selected to support the routines, repairs, and ideas featured in our journal.
100G QSFP28 Transceiver
100GBASE-ER4 QSFP28 50km Optical Transceiver
100GBASE-ER4 QSFP28 optical transceiver for 100G Ethernet over single-mode fiber up to 50km, using a duplex LC interface, LAN-WDM optical lanes and DDM/DOM.
100G QSFP28 Transceiver
100GBASE-ER4 QSFP28 30km Optical Transceiver
100GBASE-ER4 QSFP28 optical transceiver for 100G Ethernet over single-mode fiber up to 30km, using a duplex LC interface, LAN-WDM optical lanes and DDM/DOM.
1G SFP
1G ZR SFP 80km Optical Transceiver
1G ZR SFP optical transceiver for 1.25Gbps single-mode links up to 80km, with a 1550nm DFB transmitter, duplex LC interface and optional DDM/DOM.