Resources
Practical guidance for low-voltage pros.
Buying guides, comparisons and updates from the Coleman's team — built to help you buy with confidence.
Buying guides
Get the spec right the first time.
Cable selection · 4 min read
Cat5e vs. Cat6 vs. Cat6A: Which Cable Do You Need?
Bandwidth, distance and PoE differences between the three most common copper categories — and how to pick the right one for the job.
Read guide Codes + ratings · 3 min readPlenum, Riser or CMX? Understanding Cable Jacket Ratings
What CMP, CMR, CM and CMX mean, where each is allowed, and which ratings can substitute for others.
Read guide Fiber · 4 min readSinglemode vs. Multimode Fiber: A Quick Guide
How to tell fiber types apart, which one fits your distance, and what the connector colors mean.
Read guide Connectivity · 3 min readSolid vs. Stranded: Choosing Cable, Jacks and Patch Cords
Why horizontal runs use solid conductors, why patch cords are stranded, and how to match plugs and jacks.
Read guide Racks + enclosures · 3 min readHow to Size a Network Rack or Wall Cabinet
Rack units, 2-post vs. 4-post, depth and growth space — a quick checklist before you order.
Read guideComing soon
More on the way.
- Product comparisons + compatibility guidance
- New product and vendor updates
- Inventory and closeout alerts
- Commercial purchasing + account FAQs
Have a question you want answered? Ask Coleman's.