ADTRAN 1180109L2 TOTAL ACCESS 1500 QUAD LINE INTERFACE UNIT (LIU)

• Common module for the ADTRAN standard Total Access 1500 chassis (P/N 1180001L1) or the Total Access 1500 19-inch chassis (P/N 1180019L1)
• Connects the chassis to a T1 line at the DSX-1 or DS1 level
• All data formatting and line encoding as well as backplane timing and control are performed by the Quad LIU

FEATURES

• Terminates up to 4 T1 lines providing DSX-1 or DS1 interface to the network
• Terminates 1 T1 Protect Line for Quad LIU protection
• Supports up to 96 DS0s
• Superframe (SF), Extended Superframe (ESF), or SLC-96 data framing formats
• AMI or B8ZS line code formats
• Local and remote loopbacks
• Front panel bantam jacks for monitoring T1s
• Local, loop, or external timing modes
• Supports ANSI T1.403 in-band payload and line loopback
• Supports VF Test Access when deployed with either of the following SCUs: 
    - P/N 1180008L22 
    - P/N 1180008L23
• Supports SLC Mode I, II, and III

ORDERING INFORMATION