Overview
Category 5e Shielded Cable (CAT5e) is an advanced variant of standard CAT5e cables, incorporating shielding to mitigate electromagnetic interference (EMI) and crosstalk. It is engineered for environments with high electrical noise, such as factories or densely packed server racks. The cable adheres to TIA/EIA-568 standards, ensuring compatibility with existing network infrastructure. The shielding typically consists of a foil layer (FTP) or combined foil and braid (SFTP), providing superior protection compared to unshielded twisted pair (UTP) cables. This makes it ideal for applications requiring reliable high-speed data transmission, such as Gigabit Ethernet and Power over Ethernet (PoE) systems.
Structure and Working Principle
The cable comprises four twisted copper pairs, each wrapped in an insulating material (PVC or LSZH for fire safety). The twisted design reduces internal crosstalk, while the outer shielding layer deflects external EMI. Shielding types vary: FTP uses a single foil layer, whereas SFTP adds a braided metal mesh for enhanced durability. When installed, the shield must be properly grounded to dissipate interference effectively. The cable’s performance hinges on maintaining impedance consistency (100 ohms) and minimizing signal attenuation, which is achieved through precise manufacturing tolerances.
Key Features
1. **EMI Shielding**: Foil or braid shielding blocks interference from motors, fluorescent lights, and other noise sources. 2. **High Bandwidth**: Supports frequencies up to 100 MHz, enabling 1 Gbps data rates. 3. **Durability**: LSZH jackets offer flame resistance for industrial use. 4. **PoE Compatibility**: Safely delivers power to devices like IP cameras and VoIP phones. Unlike UTP cables, shielded CAT5e requires careful handling to avoid compromising the shield during installation.
Application Areas
CAT5e shielded cables are deployed in: - **Data Centers**: To ensure signal integrity amid dense server setups. - **Industrial Settings**: Where machinery generates heavy EMI. - **Healthcare**: For MRI rooms or labs with sensitive equipment. - **Outdoor/HDBaseT**: Shielded variants resist moisture and interference for AV signal extension. Their use is critical in scenarios where unshielded cables would suffer packet loss or latency.
Maintenance and Precautions
1. **Grounding**: Always terminate shields to a grounded patch panel or connector. 2. **Bend Radius**: Avoid bends sharper than four times the cable diameter to prevent shield damage. 3. **Testing**: Use cable certifiers to verify shielding effectiveness post-installation. 4. **Storage**: Keep coils dry and away from sharp objects to preserve jacket integrity. Improper handling can negate shielding benefits, leading to performance degradation.
B2B Procurement Guide
When sourcing CAT5e shielded cables: - **Standards Compliance**: Ensure TIA/EIA-568-C.2 or ISO/IEC 11801 certification. - **Shield Type**: Select FTP for moderate EMI or SFTP for extreme noise environments. - **Supplier Audits**: Prioritize manufacturers with UL/ETL listings for quality assurance. - **Bulk Discounts**: Negotiate pricing for spools exceeding 305 meters (standard box length). For reference, bulk pricing ranges from $0.30 to $0.80 per meter, depending on material and shielding complexity.
Related Manufacturers
- 主营：绝缘线、双绞线、软电线、光伏线缆、耐火电缆、家装电线、家用铜芯、平行电线、塑铝电线、铜芯电缆、电线电缆、双绞电线、一缆电缆、花线电线、低压电缆、电力电缆、防腐蚀线、光伏电线、绝缘阻燃线、纯铜芯硬线、单芯塑铝线、家装布电线、耐腐蚀布电线、国标低压铝线、多股铝线电缆
- 主营：电线电缆、特种电缆、船用电缆、屏蔽电缆、石油平台电缆
- 主营：[]
- 主营：[]
- 主营：布电线、预埋线、铜芯电线、电力电缆、铠装电缆、低压电缆、储能直流电缆
- 主营：电源电缆、航空导线、电子装备、水密电缆、编织防波套
- 主营：rs485电缆、计算机电缆、铠装电缆、矿用屏蔽网线、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：通讯电缆、矿用阻燃电缆、矿用网线、超五类网线、超六类网线、屏蔽电缆、铠装屏蔽网线、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、铠装光缆、铠装电缆
- 主营：矿用光缆、防爆网线、矿用网线、屏蔽网线、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：特种电线电缆、高性能航空导线、舰船用电线电缆、PEEK线缆、水密电缆、控制电缆、计算机电缆、高速差分线、电力电缆、耐高温导线、本安信号电缆、定制电线电缆、聚酰亚胺电缆、核级电缆、高密度防波套、光电复合电缆、485高速差分线、485双绞差分传输线、高速差分传输线、高速差分电缆、航空航天电缆、航天特种电缆、C55航空航天电缆、耐高温硅橡胶电缆、耐高温阻燃电器电缆
- 主营：康普网线、安普网线、泛达网线、超五类网线、超五类模块、超五类跳线、六类网线、配线架、六类模块、六类跳线、光纤、光纤跳线、OM3、OM4、光纤模块
- 主营：康普网线、安普网线、康普光纤、超五类屏蔽线缆、安普光纤、丽图斯光纤、AMP网线、MPO跳线、配线架、光纤跳线、ODF配线架、光纤盒、光纤光缆
- 主营：卷筒电缆、扁电缆、水下零浮力电缆、超五类屏蔽网线、拖链电缆、捕鱼灯电缆、防爆扁电缆、防冻电缆
- 主营：伺服线缆、柔性线缆
- 主营：零浮力电缆、卷筒电缆、高柔性拖链电缆、聚氨酯线缆、机器人抗扭电缆、水下拖拽电缆、垃圾吊电缆、总线电缆、无人机电缆、耐高温电缆
- 主营：矿物绝缘防火电缆、电力电缆、光伏电缆、津达线缆、高压屏蔽橡套线、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、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：机房建设、数据中心机房、服务器机房、屏蔽机房建设、模块化机房、机柜、智慧工装、智慧弱电、智能机电、动环系统、智慧园区工装承包、一站式智慧工程总承包、机房工程服务商、办公装修一站式工程、涉密机房建设、模块化机房建设、机房搬迁、机房设计装修、工程安装总承包、新能源充电站工程、工厂车间装修、门禁监控安装、办公室精装修、大型园区总承包
- 主营：电话线、国标线、视频线、屏蔽线、高压屏蔽、屏蔽电缆、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、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、阻燃网线
- 主营：矿用超五类线缆、矿用通信电缆
- 主营：矿用通信电缆、矿用光缆、矿用控制电缆、矿用屏蔽通信电缆、屏蔽电缆、屏蔽通信电缆、矿用屏蔽控制电缆、煤矿用阻燃光纤线缆、矿用信号电缆、通信电缆、矿用网线、铁路信号电缆、计算机电缆、矿用电力电缆、RS485电缆、煤矿用电源电缆、信号电缆、阻燃矿用通信电缆、通讯电缆、煤矿用阻燃电话电缆、通信光缆、长途对称通信电缆、铠装通信电缆、矿用电话线、煤矿用通信电缆