VIS-HL is a certified extension cable compliant with TIA/EIA 568B CAT5E, ISO/IEC 11801 ClassD and relevant CELENEC EN standards, also UL C(UL)&ETL verified and pre-tested by VISSONIC. It adopts male-to-male design, used for connecting main unit to CU/DU unit, transmits 48DC power and signals, with customizable lengths ranging from 2m to 100m.