IC Knowledge Base
Broadband / IC-Air Articles 
Subscribe
Subscribe
BT Terminology
Viewed 27111 times since Fri, Jul 21, 2017
You may see BT engineers moving "E side" or "D side" connections. Here's a note about them.. E-SIDE (Exchange Side) - Exchange to PCP D-SIDE (Distribution Side) - PCP to Customers PremisesThe "PCP" is the "Primary Connection Point". These are... Read More
Cables and Wiring
Viewed 21137 times since Tue, Jul 25, 2017
Cables Cabling RJ45 RJ21 MSAN We use 568B for almost everything ethernet Standard networking connectors for Ethernet connections. Rumor has it that only the “A” standard is accepted for government work and the “B” standard is being... Read More
Connectors
Viewed 10278 times since Tue, Jul 25, 2017
Connectors From Internet Central Fibre Connectors Copper Ethernet Connectors RJ45 Plugs and RJ45 Socket / Keystone Jack Power Connectors Plug - Connector Socket - Inlet IEC-320 Appliance Connectors IEC-60320 electrical appliance... Read More
Wireshark Trace for Fault Finding
Viewed 9222 times since Tue, Jul 25, 2017
How do I perform a Wireshark trace? If you have been asked to complete a wireshark trace this is because your reported fault needs further inspection from site, these are typically asked for when the report is call quality or transfer difficulties.... Read More
PPPoE Discovery Stages
Viewed 8796 times since Mon, Aug 7, 2017
PPPoE stages The PPPoE has two distinct stages: PPPoE discovery Since traditional PPP connections are established between two end points over a serial link or over an ATM virtual circuit that has already been established during dial-up, all PPP... Read More
How to flush the DNS Cache on a variety of platforms
Viewed 8539 times since Fri, Jul 28, 2017
How to flush the DNS Cache Clear Chrome DNS Cache Chrome has internal DNS Cache, separate to the operating system # Browse to... chrome://net-internals/#dns and click 'Clear host cache'# Browse to... chrome://net-internals/#sockets... Read More
Internet Central DNS Server Settings
Viewed 8032 times since Fri, Jul 28, 2017
What DNS server settings should I be using? IC provides recursive or caching name servers for you to use. You can use these from any IC supplied connection. (They are for IC customers only, not the world to use) Location IPv4 Address ... Read More
Decibels in the context of ADSL
Viewed 3882 times since Tue, Jul 25, 2017
The decibel The decibel is a logarithmic unit which specifies the ratio of two powers. It was devised by the Bell Telephone Company to simplify calculations of gain and loss in cascaded transmission systems. The original unit was the Bel, and they... Read More
Packet Loss
Viewed 3600 times since Wed, Jul 26, 2017
Packet Loss Packet Loss How to see it, when is it normal and when is it not. Helpfully, BT don't easily accept packet loss as an issue. Packet loss occurs when network traffic is sent down a link and for a number of reasons does not get to the... Read More
Slow Speed Broadband
Viewed 3428 times since Wed, Jul 26, 2017
If you are reporting a slow speed issue on the ADSL "Max" products, please be aware that we can only raise faults with BT if they're consistantly less than 288Kbps. The specifications received from BT state only that the "Max" product will... Read More
Intermittent Broadband Connection
Viewed 3262 times since Wed, Jul 26, 2017
If you're having intermittent connection faults with your broadband, read our guide for handy hints on troubleshooting. About intermittent connection faults If your broadband connection comes and goes, seemingly at random intervals, you may have... Read More
Modems Vs Routers
Viewed 3227 times since Tue, Aug 22, 2017
Modems Vs RoutersThe Basics Modems A Modem will convert data for a router so it can send the data to another network. A broadband modem allows data to be sent down a phone line.An IC-Air radio is also a modem as it allows data to be sent over the air... Read More
Speed Testing your connection.
Viewed 3092 times since Mon, Aug 24, 2020
SPEED TESTING In order to make sure we give you the best connectivity, we have put effort into testing connections and looking at methods of testing them. This article will date as speeds increase but as of 2019 this is how we see it: For FTTC... Read More
Interference / REIN
Viewed 3050 times since Wed, Jul 26, 2017
Internet Central would like to bring to your attention an issue that can be related to intermittent broadband connections. REIN is a form of interference generated by another source not necessarily in your premises, this can range from general... Read More
No Internet Connection / Access
Viewed 3030 times since Wed, Jul 26, 2017
1 - DO YOU HAVE A DIAL TONE? Yes - Proceed to section twoNo - Replace filter, if this does not work call your local telephone provider. All voice-related problems must be raised through them.2 - IS THE ROUTER/MODEM POWER LIGHT ON? Yes - Proceed to... Read More
10 Day Training Period
Viewed 2881 times since Wed, Jul 26, 2017
All new connections or following a service change / re-grade / support request will enter into a 10 day stabilisation period, during this time your connection speed will vary dramatically while the systems calculate the best and optimal speed and... Read More
I can’t connect to the Internet
Viewed 2880 times since Thu, Jul 27, 2017
This guide applies to telephone based broadband connections 1 - DO YOU HAVE A DIAL TONE? Yes - Proceed to section twoNo - Replace filter, if this does not work call your local telephone provider. All voice-related problems must be raised through them... Read More
I have a new ADSL Max service and am experiencing some short breaks and slow-downs in my connection. Why is this?
Viewed 2791 times since Thu, Jul 27, 2017
During the first 10 days following your upgrade, your line will go through an adjustment period. This is designed to give you the best service possible on your line. As a result of this testing there may be a number of times during the day when your... Read More