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Adtran MX2820 DS3 23in. Systems

Affordable DS3 bandwidth consolidation
Provides up to 9 redundant M13s in 2 RU of space (23" 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

MX2820 DS3 23in. Systems
Part#	Description	Add
4186002L12	MX2820 23in. Chassis with SCU and Twelve Mux CardsMX2820 23in. Chassis with SCU and Twelve Mux Cards
4186002L14	MX2820 23in. Chassis with SCU and Fourteen Mux CardsMX2820 23in. Chassis with SCU and Fourteen Mux Cards
4186002L16	MX2820 23in. Chassis with SCU and Sixteen Mux CardsMX2820 23in. Chassis with SCU and Sixteen Mux Cards
4186002L18	MX2820 23in. Chassis with SCU and Eighteen Mux CardsMX2820 23in. Chassis with SCU and Eighteen Mux Cards
4186002L2	MX2820 23in. Chassis with SCU and Two Mux CardsHigh Density M13 Multiplexer
4186002L4	MX2820 23in. Chassis with SCU and Four Mux CardsMX2820 23in. Chassis with SCU and Four Mux Cards
4186002L6	MX2820 23in. Chassis with SCU and Six Mux CardsMX2820 23in. Chassis with SCU and Six Mux Cards
4186002L8	MX2820 23in. Chassis with SCU and Eight Mux CardsMX2820 23in. Chassis with SCU and Eight Mux Cards