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Chapter 1. Introduction
or async PPP protocol. The Express 5200 supports the MIB-II
standard, RFC 1213, and the ADTRAN Enterprise Specific MIB.
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 and the managed
devices, as well as to the structure of network management data
bases. SNMP has three basic components:
Network Manager
Control program that collects, controls, and presents data pertinent
to the operation of the network devices. It resides on a network
management station.
Agent
Control program that resides in each network device connected.
This program responds to queries and commands from the
network manager and returns requested information or invokes
configuration changes initiated by the manager.
MIB
Index to the organized data within a network device. It defines the
operation parameters that can be controlled or monitored.
TELNET
TELNET provides a password-protected, remote login facility to
the Express 5200. TELNET allows a user on a network manager to
control the Express 5200 through the terminal menus. See the
section SNA and LAN Application with SNMP/TELNET Management
on page 4-4 for more information.
Voice Compression
The Express 5200 voice option cards employ voice compression
technology to provide toll-quality voice using significantly less
bandwidth than traditional voice channels. In addition to
supporting voice calls, the cards support group 3 facsimile up to
1-4
Express 5200 User Manual
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