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