About Us

Comm/net Systems, Inc. provides high reliability power and infrastructure solutions for communications site applications. We manufacture Telecom grade AC and DC power source and distribution devices as well as providing complete in-house systems integration services for installation. Our EF&I division provides complete power system configuration and installation for UPS systems, generators, DC power systems, Battery plants, inverters and AC/DC power distribution components.


Comm/net Systems, Inc. is a manufacturer of power source and distribution equipment used for powering network equipment in Telecom/Broadband sites. Our product line includes both AC and DC power systems. Our Power distribution product line includes innovative products that include high power density, embedded control intelligence, redundancy and other unique features. Our extensive power source and distribution product family includes: +24 and -48VDC rectifier and power modules, battery disconnects, battery racks and cabinets, rack mount fuse and circuit breaker panels, high-density DC distribution centers, redundant power routers, High current BDFB’s and circuit breaker cabinets.

CSI Locations

Local solutions

CSI has regional branch offices in the US to provide local integration and service support:

Baltimore, MD
Benicia, CA
Bozeman, MT
Denver, CO
Seattle, WA

Latest news

21 May 2018
Are you attending the SCTE show in Atlanta this year? Keep an eye out for our Comm/net booth where you can view our cutting edge DC distribution equipment and speak with our friendly staff. Read more...
24 October 2017
The Comm/net headquarters building in Seattle will be going through remodeling and rennovations over the next few months, but operations will continue without interuption.
28 September 2017
Our product development team and sales staff have been collaborating around the clock to add sleek new variations to the GMT/KLM 125 fuse panel product lines. New models are expected to be released throughout Q3 and Q4 of this year. Read more...