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5-21
Confi guration
5.7. Port Configuration
When responding to prompts, invoking commands, and selecting items from
port configuration menus, note the following:
Configuration menus are only available to accounts and ports that permit
Supervisor commands.
If you are configuring the RSM via modem, modem parameters will not
be changed until after you exit command mode and disconnect from
the RSM.
5.7.1. Port Modes
The RSM offers four different port operation modes:
Any-to-Any Mode: Allows communication between connected ports
and permits access to command mode. Any-to-Any Mode Ports can be
connected to other Any-to-Any, Passive, Buffer or Modem Mode Ports by
invoking the /C command. The Any-to-Any Mode is available to all ports
and is the default Port Mode for Ports 1 and 2.
Passive Mode: Allows communication between connected ports, but
does not allow access to command mode. Passive Mode Ports can be
connected by accessing command mode from a free Any-to-Any or
Modem Mode port and invoking the /C command. Passive Mode is not
available at Ports 1 and 2 or the Network Port, and is the default mode at
Ports 3 and above.
Buffer Mode: Allows storage of data received from connected devices.
Collected data can be retrieved by accessing command mode from a free
Any-to-Any or Modem Mode Port, and issuing the Read Buffer (/R)
Command. Furthermore, Buffer Mode ports can also be configured to
support the Syslog and SNMP Trap features, discussed in Sections 9 and
10. The Buffer Mode is not available at Ports 1 and 2 or the
Network Port.
Modem Mode: Allows communication between connected ports,
permits access to command mode and simplifies connection to an external
modem. Modem Mode ports can perform all functions normally available
in Any-to-Any Mode, but Modem Mode also allows definition of a Hang-
Up String, Reset String, and Initialization String. The Modem Mode is
not available at the Network Port and is the default mode for the internal
modem port (The Modem Port is Port 9 on RSM-8 units, Port 17 on
RSM-16 and RSM-16DC units, and Port 33 on RSM-32 and
RSM-32DC units.)
For more information on Port Modes, please refer to Section 7.
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