IT Infrastructure Blog
Practical notes on networks, CCTV, and fibre systems.
Five checks for a more reliable office network
A reliable network starts before an outage. First, map the equipment: internet connection, router, switch, access points, and the devices depending on them. A simple labelled diagram makes it much easier to trace a problem and prevents accidental changes.
Second, check physical cabling. Replace damaged patch leads, avoid sharp bends, and make sure cables are correctly labelled at both ends. Third, review switch-port use and uplink capacity. A congested uplink can make every workstation appear slow even when the internet connection is healthy.
Fourth, keep IP addresses organised. Reserve addresses for servers, printers, cameras, and other fixed equipment; document the DHCP range; and avoid duplicate static addresses. Finally, test Wi-Fi where people actually work. Coverage, interference, and too many clients on one access point are common causes of poor experience.
How to plan CCTV coverage without blind spots
Good CCTV design begins with a purpose for each camera. List the entrances, exits, cash or equipment areas, perimeter points, and places where an incident would need to be identified. Walk the site at day and night because glare, shadows, and low light can change what a camera records.
Position cameras high enough to discourage tampering but not so high that faces become too small. Check the field of view before final installation and make sure key paths overlap. Storage should be sized for the camera count, resolution, recording schedule, and the retention period you need.
After installation, test live view, playback, timestamps, remote access, and power backup. A camera system is only useful when its recordings are clear, accessible, and retained long enough for a real investigation.
Fibre troubleshooting: where to begin
When a fibre link fails, start by defining the symptom: total loss, intermittent link, low speed, or high optical loss. Confirm the equipment status and inspect connectors before assuming a splice or cable fault. Dirt is a frequent cause of poor optical performance, so clean connectors with approved fibre-cleaning tools.
Next, compare measured optical power with the expected link budget. If the loss is higher than expected, an OTDR can help locate events such as bends, poor splices, or damaged sections. Read the trace together with the cable route and splice records; an OTDR event alone does not explain the cause.
Document the test result, repair performed, and final power level. These records turn the next fault from a guess into a faster, safer repair.
Need help with an installation or fault? Contact Tanu Das for networking, CCTV, fibre, and IT-support enquiries.