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Structured Network Cabling

Structured network cabling is used to transmit Internet data to several devices at once and also to connect them within a local network. The most widely used interface for data transmission within structured networks is a combo of RJ-45 with network CAT cables. Although it's now possible to easily create a structured network using wireless technology, cables still provide the most stable connection. Read on to learn more about structured computer networks and what cables to choose for your network.

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Understanding computer networks

Computer networks have many uses:

  1. High-speed data transfer between two or more devices — you can easily share documents with colleagues or store them in a central data storage.
  2. Stable internet connection on all devices. Wired Internet is always stable and fast.
  3. They allow the printer to be connected to a local area network, enabling access to all users.

i

Local networks allow multiple devices to easily use a single storage space.

RJ-45 network cables

RJ-45 is the most common interface in any network structure. Thanks to high throughput and special protocols, transmission speeds remain stable and don't fluctuate. Cables are divided into several versions, where the newer version always achieves higher speeds, lower signal losses with a longer cable, and an overall better price-performance ratio.

Cables with RJ-45 interface:

  • CAT5 - an outdated interface that, if used, should be replaced with an improved CAT5E.
  • CAT5E - an improved version of CAT5 ideal for households and smaller businesses. It delivers decent transmission speeds at a very low cost.
  • CAT6 - the best  network cables available. Compared to the older CAT5E standard, they have higher throughput and better handle long-distance transmission. Ideal for corporate environments.
  • The most widespread standard for computer networks
  • Inexpensive
  • Require professional maintenance

Optical cables

Indisputably the best and most reliable choice for computer networks. On the other hand, optical cables are also very expensive, so it's important to consider all the advantages and disadvantages before deciding whether you really need them.

  • Faster than conventional CAT cables by an order of magnitude
  • Stable and experience almost no data quality loss 
  • The available internet speed is usually much lower than the cables are capable of
  • Not all devices support optical cables

Connectors, sockets and splitters

Optical cables generally use two  connectors. RJ-45 is included in CAT cables and it's the most common connector for both network cables and optical cables. Since most data cables are compatible with each other, you can easily use a passive adapter to connect CAT5 and CAT6 cables, although there will be a marked loss of speed.

Network cables are completely common devices that divide data into several streams. These are divided into smart and passive. The passive (hub) type only divides the signal into parts and sends everything, including error packets. Smart (switches) are much more powerful in this regard, due to their ability to learn the MAC addresses of devices.

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700 Results
4.9 332×
AlzaPower Patch CAT6 UTP Flat 0.5m Grey
Ethernet Cable - connecting, male connectors RJ45 to RJ45, reversible ends, flat cable construction, speed up to 1000Mbps, frequency up to 250 MHz, braid material of PVC, conductor material: copper, straight end, universal for all devices with RJ45 connector
Great price 69,-
Buy
In stock 4 pcs
Order Code: APWCBP6200
4.8 9,048×
Datacom CAT5E UTP blue 0.25m
Ethernet Cable connecting, 0,25m, male connectors: 2× RJ-45 (CAT5E), double-sided connector, UTP, straight connector ends
37,-
Buy
In stock 2 pcs
Order Code: MN116b
4.8 4,123×
Datacom, CAT6, UTP, 2m, green
Ethernet Cable connecting, 2m, male connectors: 2× RJ-45 (CAT6), double-sided connector, UTP, straight connector ends
119,-
Buy
In stock 2 pcs
Order Code: MN021c
4.9 677×
AlzaPower Patch CAT6 UTP 5m Grey
Ethernet Cable connecting, male connectors RJ45 to RJ45, reversible ends, speed up to 1,000Mbps, frequency up to 250MHz, braid material: PVC, conductor material: copper, straight end, universal for all devices with RJ45 connector
-6 % off new 139,- New 149,-
Buy
Unsealed - in stock 1 pcs
Order Code: APWCBP6140
4.7 148×
Datacom, RJ45, CAT5E, UTP, 8p8c, for wire
Connector type male - RJ-45, UTP, suitable for: network - 4.19 Kč/pcs
419,-
Buy
In stock > 10 pcs at the supplier's
Order Code: MN220a3
5.0
Ubiquiti Unifi Etherlighting Patch Cable Cat6A, 10 GbE, 0.15 m, white
Ethernet Cable connecting, 0,15m, male connectors: 1× RJ-45, 1× RJ-45, shielded Cable, straight connector ends
149,-
Buy
In stock > 10 pcs at the supplier's
Order Code: Ubiq25022
5.0
CTnet keystone FTP RJ45 cat.6A, self-cutting
Keystone data, parker, silver colour
115,-
Buy
In stock > 20 pcs at the supplier's
Order Code: CEITkey05
5.0
CTnet FTP RJ45 cat.7, self-cutting
Keystone data and network type female - RJ-45, STP, parker, silver colour
134,-
Buy
In stock > 10 pcs at the supplier's
Order Code: COMPaaa0274
5.0 48×
Ubiquiti Etherlighting Patch Cable Cat.6, 1 m, white
Ethernet Cable connecting, 1m, male connectors: 1× RJ-45 (CAT6), 1× RJ-45 (CAT6), UTP, straight and detachable connector ends
179,-
Buy
In stock > 10 pcs at the supplier's
Order Code: Ubiq24078
5.0
Ubiquiti Unifi Etherlighting Patch Cable Cat6A, 10 GbE, 2 m, white
Ethernet Cable connecting, 2m, male connectors: 1× RJ-45, 1× RJ-45, shielded Cable, straight connector ends
229,-
Buy
In stock > 10 pcs at the supplier's
Order Code: Ubiq25028
5.0 48×
Ubiquiti Etherlighting Patch Cable Cat.6, 15 m, white
Ethernet Cable connecting, 15m, male connectors: 1× RJ-45 (CAT6), 1× RJ-45 (CAT6), UTP, straight and detachable connector ends
739,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Ubiq24077
4.7
CTnet DIN rail module for one keystone
Module for mounting of connection points on a standard DIN rail with a width of 35 mm, suitable for installations of all sizes and fully compatible with all CTnet CAT5, CAT6 and CAT6A keystones (keystones are not included in the socket), the metal spring inside the DIN socket serves not only to fix the holder firmly to the DIN rail, but also to connect the grounding in case of using shielded keystone modules
93,-
Buy
In stock > 20 pcs at the supplier's
Order Code: CEITel021
4.8 11×
CTnet keystone FTP RJ45 cat.5e, self notching
Keystone data and network type female - RJ-45 (CAT5E), parker, silver colour
86,-
Buy
In stock > 20 pcs at the supplier's
Order Code: CEITkey02
5.0
Belden 1583E data cable UTP Cat.5e wire, PVC, 305m
Ethernet Cable connecting, 305m, UTP, straight connector ends
3,953,-
Buy
In stock 1 pcs at the supplier's
Order Code: CEITkab01
4.7
W-STAR KoWSRJ45C5EZ100 UTP RJ45EZ
Connector type male - RJ-45, UTP, suitable for: network
282,-
Buy
In stock 5 pcs at the supplier's
Order Code: SEWkon06
5.0
OPTIX LC-SC Optical Patch Cord 09/125 3m G.657A
Optical Cable connecting, 3m, male connectors: 1× LC (Full-duplex ), 1× SC (Full-duplex ), straight connector ends
140,-
Buy
In stock > 10 pcs at the supplier's
Order Code: OPTIXa12
4.8 13×
100-pack, Datacom, RJ45, CAT5E, STP, 8p8c, shielded, non-stranded,
Connector type male - RJ-45 (CAT5E), STP, suitable for: network - 5.99 Kč/pcs
599,-
Buy
In stock > 10 pcs at the supplier's
Order Code: MN220n3
4.8 4,123×
Datacom, CAT6, UTP, 0.5m, red
Ethernet Cable connecting, 0,5m, male connectors: 2× RJ-45 (CAT6), double-sided connector, UTP, straight connector ends
53,-
Buy
In stock > 50 pcs at the supplier's
Order Code: MN006a
5.0
OPTIX LC-LC Optical Patch Cord 09/125 10m G.657A
Optical Cable connecting, 10m, male connectors: 2× LC (Full-duplex ), double-sided connector, straight connector ends
203,-
Buy
In stock > 10 pcs at the supplier's
Order Code: OPTIXa7
5.0
W-STAR KoWSRJ45FC5EZ100 FTP RJ45EZ
Connector type male - RJ-45 (CAT5), FTP, suitable for: network
400,-
Buy
In stock > 10 pcs at the supplier's
Order Code: SEWkon01
4.7
CTnet cat.6 UTP RJ45 / RJ45 connector
Module - for connecting 2 cables with RJ45 connectors
66,-
Buy
In stock > 20 pcs at the supplier's
Order Code: COMPaaa0047
5.0
OPTIX LC-LC Optical Patch Cord 09/125 1m G.657A
Optical Cable connecting, 1m, male connectors: 2× LC (Full-duplex ), straight connector ends
from  102,-
Buy
In stock 2 pcs at the supplier's
Order Code: OPTIXa4
5.0
Datacom Data Socket FLOOR UTP CAT5E 2161
Socket - 1 xRJ45 + 1 x 230V, ejection opening, aluminium finish
829,-
Buy
In stock > 5 pcs at the supplier's
Order Code: DATza04
4.2
OPTIX LC-SC Optical Patch Cord 09/125 1m G657A simplex
Optical Cable connecting, 1m, male connectors: 1× LC (Simplex), female connectors: 1× SC (Simplex), straight connector ends
from  51,-
Buy
In stock > 20 pcs at the supplier's
Order Code: OPTIXa56

Structured Network Cabling

Structured Network Cabling

In the category Structured Network Cabling on Alza.cz, we currently have a total of 700 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
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