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* Digital T1/E1: unframed, fractional, channelized, voice, data, TDM
- T1 line type: ANSI T1.403 (PRI), AT&T TR62411 (D4), and TR 54016 (ESF)
- T1 encoding: JBZS (AT&T), AMI, B8ZS, ZBTSI, NRZ, NRZI
- E1 line type : CEPT (PRI), G.703/G.704 with or without CRC4 & MF
- E1 encoding: HDB3, AMI, NRZ, NRZi, 75 or 120 Ohms
- NFAS, AIS and RDI bits/alarm relay
* Ethernet: 10/100 Mb/s, RJ 45
* RS232 Serial craft interface