Coastcom D/I Mux III System

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Chapter 1. System Overview and Modes of Operation

AMCU User Interfaces

The AMCU may be accessed in three ways:

• An SNMP manager, such as Hewlett Packard’s OpenView

An SNMP manager

accesses all Management Information Base II (MIB-II) parameters supported by the

SNMP agent, and all the DS1 MIB values supported by the current D/I Mux III

software. (See MIB-II and DS1 MIB in Appendix H.) Special configuration screens

allow the user to branch to either the LAN, and login parameters, or to the standard

screens supported by the CCU.

• A local terminal (all values available by local terminal will also be available via the

Telnet connection except IP address and subnet mask) - The local terminal is an RS-

232 serial connection. The user must use the local terminal to enter an initial IP

Address and subnet mask. Using the local terminal will also lock out a Telnet

session. However, a keyboard idle timer can disconnect the serial connection and

allow a Telnet session.

• A Telnet session - A Telnet session can be connected over Ethernet 10Base-T as a

virtual terminal (VT) connection, normally providing VT-100, or VT-220 functionality.

A Telnet client is required by the user to make this connection and, once connected,

the Telnet screen presentation is that of a serial connection.