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First Single-Pair Ethernet Performance Verification Issued to Linkz Cables Limited

UL Solutions issued the first performance verification in accordance with ANSI/TIA-568.5 to Linkz Cables Limited.

Single pair wire.

June 1, 2023

UL Solutions announced that it issued its first performance verification to Linkz Cables Limited for its single-pair Ethernet (SPE) cables in accordance with ANSI/TIA-568.5, the Standard for Balanced Single Twisted-pair Telecommunications Cabling and Components Standard. The SPE cables are verified to determine that the cables meet the latest published requirements.

ANSI/TIA-568.5 specifies the transmission performance requirements for Category SP1-1000 and SP1-400 cables at 1000 meters and 400 meters, respectively, with a frequency range of 0.1 MHz-20 MHz in support of 10Base-T1L and 10Base-T1S applications.

Linkz Cables Limited is the first company to offer third-party verified SPE cables based on ANSI/TIA-568.5. UL Solutions verified the following cable constructions as compliant with the performance requirements.

Conductor AWG Structure Jacket Category
Stranded tinned copper 18 S/FTP PVC SP1-400
Stranded tinned copper 18 S/FTP PVC SP1-1000

“With the ANSI/TIA-568.5 already published, it was an obvious step for us to work with UL Solutions to have the first UL verification,” said Eddie Li, engineering director, Linkz Cables Limited. “Having our single pair ethernet cables verified by UL Solutions helps reinforce our industry leadership.”

UL Solutions performance verification program encompasses a comprehensive follow-up and market surveillance program, as well as UL Solutions anti-counterfeiting program. It provides a simple resource for end-users as well as telecommunications infrastructure and building designers to enhance their facilities to meet the high demands of tomorrow’s smart buildings and facilities.


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