Overview
Category 3 High-Pair Count Cable is a versatile communication cable designed for voice and data transmission. It is widely used in telecommunications and networking due to its cost-effectiveness and reliable performance. The cable typically consists of multiple twisted pairs of copper conductors, which help reduce crosstalk and electromagnetic interference (EMI). This type of cable is commonly deployed in office buildings, data centers, and residential complexes for telephone systems and low-speed data networks. While it has been largely superseded by Category 5 and higher cables for high-speed data, it remains popular for voice applications and legacy systems.
Structure and Working Principle
The cable's structure includes multiple twisted pairs, usually ranging from 25 to 100 pairs, though higher counts are available. Each pair is twisted at a specific rate to minimize interference between pairs. The conductors are typically made of solid or stranded copper, insulated with PVC or low-smoke zero-halogen (LSZH) materials. The working principle relies on balanced transmission, where signals are sent differentially over each twisted pair. This method cancels out noise and interference, ensuring clear signal transmission. The cable's performance is governed by standards such as ANSI/TIA-568, which define parameters like attenuation and crosstalk.
Key Features
Category 3 High-Pair Count Cable offers several key features that make it suitable for specific applications. Its multiple twisted pairs provide flexibility in routing and terminating connections. The cable is also known for its durability and ease of installation, making it a practical choice for large-scale deployments. Another notable feature is its compatibility with existing infrastructure, allowing for seamless upgrades or expansions. While it supports data rates up to 10 Mbps, its primary strength lies in voice transmission, where it delivers clear and reliable performance. The cable's cost-effectiveness further enhances its appeal for budget-conscious projects.
Application Areas
This cable is predominantly used in telecommunications for voice transmission, such as in PBX systems and analog telephone networks. It is also employed in low-speed data applications, including older Ethernet networks and alarm systems. In addition to commercial and residential buildings, the cable finds use in industrial settings where robust and reliable communication is required. Its ability to support multiple connections over a single cable makes it ideal for centralized wiring systems. However, for high-speed data applications, upgrading to Category 5e or higher is recommended.
Maintenance and Precautions
Proper maintenance of Category 3 High-Pair Count Cable involves regular inspections for physical damage, such as cuts or kinks, which can degrade performance. It is also important to ensure that terminations are secure and free from corrosion, as poor connections can lead to signal loss. Precautions include avoiding excessive bending or stretching during installation, as this can damage the conductors. The cable should be kept away from sources of EMI, such as power lines or heavy machinery. Additionally, using appropriate cable management tools, such as conduits or trays, can prolong the cable's lifespan and maintain signal integrity.
B2B Procurement Guide
When procuring Category 3 High-Pair Count Cable, businesses should consider several factors to ensure they select the right product for their needs. Pair count is a critical consideration, as it determines the cable's capacity for connections. Insulation material is another key factor, with LSZH being preferable for fire safety in enclosed spaces. Compliance with industry standards, such as ANSI/TIA-568, ensures the cable meets performance and safety requirements. Buyers should also evaluate the supplier's reputation, lead times, and after-sales support. Bulk purchases may offer cost savings, but it's essential to balance price with quality to avoid subpar performance.
Related Manufacturers
- 主营：通讯电缆、矿用阻燃电缆、矿用网线、大对数、矿用光缆、矿用橡套电缆、计算机电缆、控制电缆、矿用通讯电缆、防水电缆、RS485电缆、HSGWP22电缆、超五类网线、超六类网线、屏蔽电缆、铠装光缆、铠装电缆、铠装屏蔽网线
- 主营：电话线、室外线、被复线、CAT3三类、接地线、照明线、电缆线、胶质线、市话线、编程线、电缆铜、频电缆、智能灯、障碍灯、电源线、五类线、喇叭线、力电缆、连接器、通讯线、消防线、广播线、软电缆、主流线、火牛线、防火阀
- 主营：通信电缆、室外光缆、市话电缆、大对数电缆、光纤光缆、电话电缆、市内通信、单模多模光缆、铁路信号电缆、光电复合缆、长途对称信号线、铠装光缆、电力光缆、架空绝缘导线
- 主营：电话线、高温线、室外线、大对数、kff电缆、电缆线、视频线、监测线、knx电缆、485电缆、电源线、纯铜线、通讯线、扁电缆、软电缆、数据线、信号线、通信电缆、信号电缆、矿用电缆、屏蔽电缆、阻燃电缆、防水电缆、船用电缆、双绞线
- 主营：电话线、国标线、视频线、大对数、屏蔽线、监测线、爆破线、通讯线、广播线、软电缆、传输线、矿用线、多芯线、放炮线、检测线、高压屏蔽、国标电缆、矿用网线、船用电缆、信号设备、控制电缆、防潮电缆、防爆网线、总线电缆、屏蔽电缆、阻燃网线
- 主营：屏蔽橡套软电缆、矿用信号电缆、矿用通信电缆、大对数通信电缆、矿用阻燃通讯电缆、矿用铠装光缆、矿用网线、矿用阻燃网线、矿用阻燃控制电缆、计算机电缆、卷筒电缆、屏蔽电缆、潜水泵电缆、防水电缆、深水井电缆、矿用监控电缆、矿用电话线、铁路信号电缆、矿用高压橡套软电缆、矿用井下移动软电缆、矿用屏蔽软电缆、耐高温电缆、耐低温电缆、铠装通讯电缆、Rs485通讯电缆
- 主营：电线电缆、电利电缆、高压电缆、大对数电缆、电线、电缆、铜芯电缆
- 主营：RS485通信电缆、铠装通信电缆、矿用阻燃电缆、大对数、HYAT通信电缆、话线
- 主营：rs485电缆、计算机电缆、铠装电缆、大对数、控制电缆、矿用电力电缆、矿用光缆等、欢迎致电咨询、矿用通信电缆、矿用阻燃光缆、矿用控制电缆、矿用铠装电缆、矿用电缆
- 主营：大对数、矿用通信电缆
- 主营：橡套电缆、矿用移动橡胶软电缆、船用电缆、大对数电话线、防水电缆、铁路信号电缆、矿用网线、通信电缆、MHYV矿用通信电缆、计算机电缆、控制电缆、矿用控制电缆、矿用采煤机电缆、电力电缆、矿用高压电力电缆、低烟无卤电缆、变频电缆、软芯电源线、监控信号电缆、橡胶电缆、盾构机电缆、屏蔽信号电缆
- 主营：矿用光缆、防爆网线、屏蔽网线、大对数、矿用网线、阻燃电话线、橡套软电缆、矿用通信电缆、无卤控制电缆、阻燃通信电缆、矿用五类网线、铠装通讯电缆、井下通讯电缆、铠装电力电缆、铠装通信光纤
- 主营：通信电缆、屏蔽双绞线、计算机电缆、MHYV通信线缆、铁路信号电缆、矿用同轴电缆
- 主营：矿物绝缘防火电缆、电力电缆、光伏电缆、津达线缆、高压电缆、阻燃计算机电缆、矿用电缆、阻燃耐火电线、架空线、计算机电缆、软塑力电缆、大型光伏电缆、低压铜铝电缆、35KV新能源电缆、橡套线、低烟无卤耐火阻燃电缆、MY煤矿用井下电源线、防水线、国标橡套线、橡套电缆、高压屏蔽橡套线、阻燃软电缆、耐高温橡套线、高压橡套电缆、潜水泵专用电线
- 主营：天津市电缆总厂橡塑电缆厂、廊坊生产各种特种电缆、包括矿用、大对数、船用、通信电缆等
- 主营：矿用通信电缆、矿用控制电缆、矿用通信光缆、大对数、矿用阻燃视频线、计算机电缆、矿用电力电缆、铁路信号电缆、矿用同轴电缆、RS485双绞总线
- 主营：计算机屏蔽控制电缆、矿用控制电缆、信号通信电缆、大对数通信电缆、矿用橡套电缆、计算机电缆、计算机控制电缆、软心计算机电缆、阻燃屏蔽信号电缆、铜带屏蔽控制电缆、低烟无卤电缆、鋁护套信号电缆、铁路信号电缆、橡套移动软电缆、阻燃铠装控制电缆、长途对称通信电缆、铁路信号电缆PTYA、矿用阻燃通信电缆、阻燃屏蔽计算机电缆、MKVVP屏蔽电缆、矿用屏蔽通信电缆、耐火控制电缆、DJYPV计算机电缆、钢带铝铁路信号电缆
- 主营：MKVV、MHYV、HYA、大对数、MYQ、KVV、KVVP、铁路信号电缆、矿用电缆、矿用通讯电缆、矿用橡套电缆
- 主营：矿用阻燃电缆、矿用信号电缆、矿用屏蔽电缆、HYVT大对数通信电缆、矿用网线、矿用通信电缆、矿用电话线、矿用铠装通信电缆、矿用控制电缆、矿用电力电缆、煤矿用橡套软电缆、矿用屏蔽控制电缆、矿用井下移动软电缆、矿用高压橡套软电缆、矿用井下电源线、采煤机电缆、矿用阻燃光缆、矿用光缆、矿用单模光缆、盾构机电缆、防水电缆、潜水泵电缆、耐高温防水电缆、斗轮机扁电缆、斗轮机高压扁电缆、卷筒电缆
- 主营：光端机、sip中继、交换机、语音线缆、分机+64、塑料卡、hj-e800c40、复用设备、通信语音、数字程控、通信数字、双向音频、通信程控、数字中继、通信光纤、环路中继、恒捷通信、集团电话、hj-gan-3gsdi08、hj-gan-3gsdi042、光纤收发器、以太网电话