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FAQs

What’s the difference between category 5e and 6?
Category 5e is the entry-level solution in terms of cost and performance. Correctly installed systems will guarantee a throughput of 1000Mbps and support Power Over Ethernet (PoE) applications. Category 6 solutions are tested to 250 MHz offering a higher performance than 5e. If you are considering which category or class of cabling to install then contact us for a copy of two extremely useful white papers – ‘Cabling Lifecycles and Total Cost of Ownership’ and ‘De-Mystifying Cabling Specifications – From 5e to 7A’.

Why should I insist on an Application Warranty for my cabling infrastructure?
There is a lot more to cabling system performance than just buying good quality cable and connecting hardware. In order to ensure full bandwidth potential, a structured cabling system needs to be properly designed, installed, and warranted. By specifying an application warranty you are buying more than a simple product warranty. Siemon guarantee that applications designed to operate on a specific category of cabling will perform. This warranty covers both product and engineer time.

What type of fibre optic cable should I use?
Fiber optic cables are typically used to link wiring centres (commonly known as ‘Backbone’ cables) or to provide data connections over extended distances. As with copper solutions there are various performance levels available, they can be summarised as follows:
1. Single mode (OS1, OS2). This is used where extended distances are required i.e >550m for 10 Gigabit Ethernet applications as well as emerging applications, such as 40 Gb/s Synchronous Optical Network (SONET), that will operate at speeds beyond 10Gb/s.
2. Multi mode (OM1 or 62.5/125). Historically the cable of choice for many years in the UK this was typically installed to link wiring centres within buildings supporting Gigabit Ethernet (1000Mbs) up to 275m.
3. Multi mode (OM2 50/125). Offering support for Gigabit Ethernet up to 550m this grade of fiber replaced OM1. It is important to note that OM1 and OM2 fibers should not be mated (i.e. patched) due to the different core sizes.
4. Multi mode (OM3 50/125). Desgined specifically for the support of the 10GBASE-SX application at all horizontal work stations, riser, and short length backbone (< 300 m) applications. All new installations should consider this cable as the preferred choice. How do I know my cabling installation has been installed correctly?
All installations are accompanied by a complete set of test results. You are invited to ‘witness test’ any installed cable and compare these findings with the documented results. By choosing Structured Cabling Services you are guaranteed a standards compliant solution. Remember all Structured Cabling Services are accompanied by a 20-year warranty, documented and 100% tested.

What is low smoke zero halogen (LSOH) cable?
LSOH is constructed in such a way so that in the event of a fire within the building the cable will not emit any toxic gases. All cables installed by Structured Cabling Servcies are LS0H.