Adtran 4205290L18 M13 Multiplexer 23in. Chassis

Affordable DS3 bandwidth consolidation Provides up to 9 redundant M13s in 2 RU of space (23in. Chassis) Built-in 1:1 DS3 and DS1 redundancy System Controller Unit for centralized management Single IP address per shelf Capable of backhauling multiple service types (T1/E1) TL1 SNMP and Telnet management Local and network timing Uses local powered 48 VDC Up to 81 M13s (using active cooling) or up to 63 M13s (using passive cooling) can be mounted in a 7-foot bay Industry-leading 10-year warranty