Network modules and optical transceivers solve different problems
Select the host network module first, then verify optics and the complete fiber path.
Campus fiber uplinks博客
SwitchInfra 博客
更多文章
2026年9月11日
Fixed or modular uplinks: why port count is not enough
Match endpoint ports, PoE demand and uplink capacity before choosing an access switch.
2026年9月11日Campus access博客
A faster access port does not automatically provide more PoE
Plan link speed and endpoint power separately when upgrading campus access.
2026年9月11日Multigigabit access博客
StackWise and StackPower: data stacking is not power sharing
Treat the data stack and the power-sharing system as two separate designs.
2026年9月11日Power and stacking博客
Used, refurbished and end-of-life are different attributes
Match replacement parts to the installed platform and plan a tested rollback path.
2026年9月11日Legacy campus maintenance博客
High bandwidth alone does not establish a working RoCE fabric
Choose leaf ports from server media, speed and fabric requirements, then validate the complete path.
2026年9月11日Data center leaf博客
Start with a bill of materials before buying a chassis
Reconcile chassis, line cards and fabric modules before describing a system as operational.
2026年9月11日Modular data center博客
Both are 100G: why CXP and QSFP28 cannot simply interchange
Check connector, platform and module support before substituting legacy data-center parts.
2026年9月11日Legacy data center博客
ASR is a family name, not a module compatibility guarantee
Identify the precise routing platform before selecting interfaces, fan trays or expansion modules.
2026年9月11日WAN routing博客FXO is not FXS: choose voice ports by signaling and role
Identify the line role and signaling before selecting a router voice module.
2026年9月11日Voice access博客
A cable length suffix is part of the product identity
Match both host ports, connector type and the actual cable route for short links.
2026年9月11日Short interconnects博客
An 80 km rating does not guarantee every 80 km link
Check loss, receiver limits and operating margin across the complete fiber route.
2026年9月11日Long-reach fiber博客