• CRC-4 generation and checking (E1 only).
  
• Circuit-pack-level, administrable A- or Mu-Law companding.
  
• Stratum-3 clock capability.
  
• Line-out and line-in signal leads for unpolarized, balanced pairs.
  
• Support for Russian incoming ANI.
  
• ISDN-PRI T1 or E1 connectivity.
  
• Support for universal, digital, signal level-1 equipment in wideband ISDN-PRI applications.
  
• Downloadable firmware.
  
• Support for echo cancellation.
  
• Test-jack access to the DS1 or E1 line, and support of the 120A integrated channel-service unit (ICSU) module.
  

TN464HP REQUIREMENTS

• Communication Manager or Avaya PBXs.
  
• Availability: In stock - Normally ships within 24 hours.
  
• Warranty: One year.
  

TN464HP DS1 Interface RHS, Used 700394794R