
MX2800 M13 Multiplexer User Manual
1-2 61200290L1-1H
• M13 and C-bit signaling support
• NEBS Level 3 compliant
NOTE
Information regarding the built-in modem applies to the part
numbers 4202290L1, 4202290L2, 4202290L3, and 4202290L4.
CONTROLLER CARD 1:1 REDUNDANCY
The MX2800 supports two hot-swappable controller cards which provide 1:1 redundancy for
the T1 and T3 signals and connections. With two cards installed, the MX2800 can recover
from circuit or network failure. Refer to “Section 7, Circuit and Network Redundancy” for more
information.
T3 OVERVIEW
A T3 provides the same bandwidth as 28 T1s. Typically, leasing a T3 line costs the same as
eight to ten T1s. Using the MX2800, a single T3 can provide internet connectivity and voice
(local and long distance) to individual sites across up to 28 individual DSX-1s. T3 is also
extremely cost effective for backhauling local and long distance voice.
SNMP
The MX2800’s embedded SNMP feature allows the unit to be accessed and controlled by a
network manager through the 10Base-T local area network (LAN) port. The MX2800 supports
the MIB-II standard, RFC 1213, and the ADTRAN Enterprise Specific MIB.
NOTE
MIB files are available from ADTRAN in the support section of the
ADTRAN Web page at www.adtran.com.
The term SNMP broadly refers to the message protocols used to exchange information between
the network management system (NMS) and the managed devices, as well as to the structure
of device management databases. SNMP has three basic components: the network manager,
the agent, and the MIB.
Network Manager
The network manager is a set of control programs that collect, control, and present data
pertinent to the operation of the network devices. These programs reside on a network
management station.
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