User's Manual
CHAPTER 3. System Structure
3-16
© SAMSUNG Electronics Co., Ltd.
Web-based Element Maintenance Terminal (WebEMT)
The WebEMT is the block to interface with the Web client of the console terminal which
uses the Web browser, and performs the role of the Web server. Both Web-EMT and the
SPI-2L10 support the HTTP communications based on the Secure Sockets Layer (SSL).
Main functions are as follows:
y Web server function
− HTTP server for the management using Web-EMT
− Receive html requests and display HTML pages
y OAM block interface
− Process commands from Web-EMT interoperating with other OAM blocks
− User management
Command Line Interface Management (CLIM)
The CLIM is the block to interface with the IMISH, when it is connected to the console
terminal via the Secure Shell (SSH) method. The CLIM processes the received command
via the IMISH and displays the corresponding result.
Main functions are as follows:
y IMISH command processing
− Setup/change/inquiry of interface and routing functions
− Setup/change/inquiry of the SPI-2L10 operation & maintenance
Pluggable Authentication Module (PAM)
The PAM receives the account and the password of the operator who uses the console
terminal (IMISH and Web-EMT) when logging in, thus it perform the operator
authentication and the process of allowing the authority.
Main functions are as follows:
y Operator’s account management and authentication
The function of managing and authenticating the account of the operator who uses the
console terminal (IMISH and Web-EMT) is performed.
y Operator’s authority management
The function of allowing the authority for all the commands which the operator can
perform is performed.
y Password management
Management functions such as creating the operator’s password, saving and updating
the encryption are performed.