Australia’s Leading Network Solutions & Distribution Company

Founded in 2002, OT Systems (OTS) specialises in the design and manufacturing of high-quality transmission devices and solutions for the security industry.

OTS- Total Transmission Solutions in Surveillance

OSA has a strong partnership with OT Systems, giving our customers the ability to meet the stringent demands of surveillance and security. Our partnership means our customers have access to world-class communication and networking solutions.

  • OSA supplies a large range of OT Systems products, which includes:
  • Media convertors
  • IP over coax
  • Ethernet network switches
  • PoE injectors
  • Video over fibre

OT Systems develops products to meet the growing demands of industrial applications. They are particularly suited for security, automation, transportation, utility, building and city surveillance installations where product reliability and safety are the top priorities.


At the core of OT Systems’ business are ethernet transmission devices. These include a wide range of coaxial, UTP (Cat.5) and fibre optics to Ethernet transmission solutions. They have the following flexible communication network options:

IP over coax convertors

OT Systems can upgrade older buildings and structures to an IP networking system. This is becoming the industry standard for surveillance applications.

IP surveillance provides not only superior image quality and remote accessibility, but also the latest video analytic capabilities and other features.

IP over Coax Converters
OTS - IP over Coax Converters

Long range ethernet – Ethernet over UTP

Their EtherXtra™ Ethernet-over-UTP series breaks the 100 metre ethernet limit.

Using OT Systems’ system integrators, you can install IP cameras or other devices up to 600m from the central monitoring station without needing an additional power point at the remote end.

OTS - Long range ethernet - Ethernet over UTP
Long range ethernet - Ethernet over UTP

Fibre optic connectivity – Media Converters

OT System’s media converters provide a network connection between fibre optic and Ethernet up to 20km in distance.

The converters are suitable for outdoor and remote location IP security applications.

OTS - Fibre optic connectivity - media converters
Fibre optic connectivity - media converters

Ethernet switches for IP networks

Our Ethernet switches secure and boost IP-communication networks with reliability and flexibility. Specially designed for IP-video surveillance applications.

OTS - Ethernet switches for IP networks
Ethernet switches for IP networks
Hardened - Self Configured - ET1222H-M-DR
Networks Switches


We’ve been working with OSA for over 10 years now and nothing’s ever a problem. They’re easy to deal with and they always deliver on site.

OSA is our preferred contractor because they absolutely smash everyone else with their service.

Greg Costlow, Project ManagerARA Electrical engineering

Our relationship with OSA goes back nearly 20 years and from day one their service has been exceptional.

Their orders are always correct…

…in fact we’re so confident the order will always be correct that we usually get it shipped directly to our customer’s site without it having to go to us first.

Kevin Flannigan, DirectorCableworks

We’ve been working with OSA for over 15 years now and we’ve always found them to be reliable and helpful…they never let you down.

Their technical expertise is as good as anyone you’d talk to in the industry…they really know what they’re talking about.

Frank Kleemann, DirectorFairview Electrical

While most suppliers only supply cable in standard lengths, OSA always supply us with the exact length we require, delivered where we want it, and always within the time frame that we need it.

Lou Wilkinson, DirectorFibrelink Communications

OSA is key partner in our business because they keep their promises.

The team has a great attention to detail and their customer service is second to none.

They constantly follow up on all transactions, whether large or small.

Tony JohnsonQVR Communications Pty Ltd

OSA’s staff culture is very good…so you know the entire team are going to deliver the same standard of service.

All of the OSA staff have technical expertise and they provide us with any tech support we need if we have questions from our clients.

Kevin Flannigan, DirectorCableworks

Our partnership with OSA began in 2002 and they’ve really helped us to get our business get established.

No matter how urgent or oddball the request, OSA always deliver.

OSA are extremely flexible, their range is extensive, they keep a lot of gear in stock.

Lou Wilkinson, DirectorFibrelink Communications

We’ve been working with OSA for a number of years in a commercial fit out sector of the electrical and communications industry, and we’ve always found OSA to be a market leader in product knowledge, professionalism and service.

Kiel Johnston, Project ManagerElectrical Data Voice Installations Pty Ltd

Comtex has been dealing with OSA for over ten years and will continue its association for many more.

OSA has always provided quality service and competitive pricing throughout and will go over and above normal lines of duty to deliver when required.

They are always prepared to assist with sourcing not only the standard products but also products that are not so common.

Andrew Taucher, Operations ManagerComtex Group

We have been purchasing from OSA for close to 20 years and have found their service to be outstanding.

They usually have stock available and if not, products are sourced quickly. Pricing is competitive and it is always helpful when talking to someone who has an intimate knowledge of the product.

Danny Kersh, Managing DirectorElecdata Australia

OSA has been a supplier to PM Electric since December 2005, their product knowledge and service is why we still consider them a preferred supplier.

Peter MurrayPM Electrical

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