◆“Voice module (25 ports)2221” to“Voice module wiring rack (25 ports)2221”
 ◆ Head line clip:phosphor bronze,gold coated with the thickness of 3-50U"(inch) insertion time is over 1000 times
 ◆ IDC:phosphor bronze,nickel coated with the thickness of 50U"(inch) insertion time is 250 times min
 ◆ Fit for Wire AWG 22-26  
 ◆ Unversal linear ordering supports T568A/T568B
 ◆ Contact risistance: max 7 mΩ(International standard:≤20 mΩ) 
      Insulation risistance: min 7800 mΩ (International standard:≥100mΩ)  
 ◆ Installation density and compact。Apply to 19" cabinet  
 ◆ There is cable organizer at the back,easy to installation and wiring