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Optus Says Bridge Tap On NBN FTTC Service, But Say NO!

Today, we’re going to explore an intricate on-site investigation we conducted for an NBN (National Broadband Network) customer at Picnic Point who was experiencing ongoing internet dropouts. With over a year of frustrating disruptions and temporary fixes, they turned to us for a comprehensive solution. Here’s a step-by-step analysis of what unfolded.


  • Customer: NBN User
  • ISP: Optus
  • Location: Picnic Point
  • Issue: Continuous internet dropouts
  • Duration of Issue: Over a year
  • Previous Intervention: Replacement of pit elements six months ago
  • New Problem: Slowed speeds, starting two weeks ago

The Investigation

Initial Insights

Upon arriving at the scene, our technician took note of the following:

  • A previous tech had replaced something in the pit six months ago, offering temporary respite.
  • A recent slowdown in speed had begun around two weeks prior.
  • A letter from Optus suggested a bridge tap issue, requiring close examination.

Inspection of the Infrastructure

Here’s what our technician did next:

  • Identified the Direct Lead-in Cable: As described by the customer, this cable goes directly underneath the house and straight into a conduit leading to the DPU in the street.
  • Replaced the Socket: Our technician installed a new socket.
  • Tested the Connection: After trying multiple leads and connection devices, no successful connection was established.

Conclusive Evidence

  • Potential Network Issue: Due to the lead-in cable’s status and the persistent connection failure, our expert deduced a network issue.
  • Potential DPU Problem: The unchanged pairing on the lead-in cable led to suspicions about a defect with the DPU in the street.
  • No Bridge Taps: Our Internet technician verified no bridge taps on the service after physically inspecting the lead-in cable and conduit.

Recommendation and Conclusion

It became evident that the underlying issue likely lay within the street’s DPU. The facts were:

  • No joy in connecting even with a test device.
  • Intermittent functionality, with good speeds when connected, hinted at a DPU issue.
  • Physical examination confirmed no bridge taps; it’s a network issue.

The solution? Optus needs to dispatch a Level 2 technician to test the DPU and resolve this persistent issue. Our efforts have led us to a clear conclusion that this is a 100% network issue, and we have the proof needed to proceed. The customer can finally look forward to a permanent solution to the long-standing internet woes.

Our job at Picnic Point underscores the complexity of modern network infrastructure and the critical importance of an expert, thorough examination when things go awry. At SECURE A COM, our deep understanding of telecommunications allows us to navigate these intricate challenges and deliver solutions that keep our customers connected.

If you’re experiencing similar issues or need professional assistance with your internet service, feel free to contact us at 02 9188 1577. We’re here to help!

Jason Kearney

Jason Kearney

Head Internet Technician

Jason Kearney is the Head Technician at SECURE A COM, with qualifications spanning NBN, ADSL, phone, and data cabling. Starting as an electrician, Jason quickly delved into the telecommunications sector, leading crucial projects like the rehabilitation of the Telstra network. With credentials in both managerial and technical aspects, he now specialises in phone line and NBN fault location and repair, serving both homes and businesses with effective and personalised telecommunications solutions

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