Special Features:

4 ds1/t1 or g.703/704 interfaces; 4 integrated csu's; 2 v.35/rs530 data ports; 2 integrated dsu's; n x 56/64 kbps any to any crossconnect; n x 56/64 kbps bypass; d4-esf conversion; performance monitoring of all network ports; drop and insert multiplexing; snmp or vt100 managed, telnet supported; automatic rate adaptation; automatic protection switching; environmentally hardened (-40 degrees c to 60 degrees c) ; password security; software downloadable; extensive loopbacks; universal circuit module supports either stand-alone or high-density fully integrated rack mount configurations

Properties:

An item designed to combine two or more simultaneous intelligence signals for transmission over a single transmission facility. Includes both time division and frequency division types or combinations thereof. Does not include the transmission facilities.