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Installing and Operating the Module 3 - 13
The 50-pin Telco-type connector connects to 12 10BASE-T-compliant
ports using a 12-leg hydra cable. This module can be attached using
the 12-leg hydra cable to a patch panel or punch-down block, which
provides connections for the 12 twisted pair ports.
The next section describes the features you can set for the Security Module.
Configuring the Module
The ONline management modules (EMM, TRMM, and FMM) provide
management capabilities for the ONline System Concentrator and its
modules. If a management module is already installed, the DIP switch
settings on the Security Module are ignored. For this reason, 3Com
recommends that you use management commands, rather than the DIP
switches, to configure the module and the ports.
When you first install the module and network management is present:
1. The network defaults to isolated mode and the ports are
automatically disabled so that unapproved users cannot be added.
2. You must enable the ports you wish to use and set the module to the
appropriate network through the management commands.
The following sections describe the management commands to set the
above features. Refer to the appropriate ONline management module
installation and operation guide and the ONline Management Commands
Guide for additional information on available network management
features.