The basic features of the Quad LIU include the following:
> 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
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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.
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