General Features | T3 Features | T1 Features |
---|---|---|
-Standards-compliant DS-3 interface with built-in DSX-3 line interface unit -Built-in M31 demultiplexing and four front-panel accessible T1 channels -Built-in T1 data service units (DSUs) enabling T1 breakout ports to connect directly to Cisco MIP cards for demultiplexing down to DS-0 channels -Full online insertion and removal (OIR) support, enabling users to remove, add, or replace interface processors on line |
-M23 or C-bit parity -Maintenance data link (MDL) -B3ZS encoding -DS-3 alarm/event detection (alarm indication signal) [AIS], out of frame [OOF], far-end block error [FEBE], line code violation [LCV], excessive zeros [EXZ] -Bit/byte oriented codes for C-bit parity |
-Per-T1 BER testing -Super Frame (SF) and Extended Superframe Format (ESF) framing -FDL -Fractional T1 support for N x 64 Kbps (all T1 channels) and N x 56 Kbps (last 8 T1 channels) |