
2CCM Installer/User Guide
User authentication and data security
The CCM user database supports up to 64 user accounts, which include usernames, passwords and/ or keys, plus specifications of access rights/levels to CCM appliance ports and commands. User definitions may be changed at any time. You may choose to have user access authenticated locally at the CCM user database and/or at one or more RADIUS (Remote Access
Extensive command set
The CCM appliance offers a wide range of commands that allow administrators to easily configure, control and display information about the CCM appliance operating environment, including its ports, user accounts and active sessions. The serial CLI is always available on the unit’s console port, and may be easily accessed during a session with an attached serial device.
The user interface also offers descriptive error message data and
Port history
Each CCM port has a buffer that holds the most recent 64K bytes of online and offline serial data. A separate history command mode lets you navigate within a port’s current history file and conduct tailored searches.
You may also configure the appliance to write serial port data to a file on an NFS server, thus preventing data loss due to overflow of the history buffer.
Safety Precautions
To avoid potential device problems, if the building has
To avoid potentially fatal shock hazard and possible damage to equipment, please observe the following precautions:
•Do not use a
•Test AC outlets at the computer and monitor (if used) for proper polarity and grounding.
•Use only with grounded outlets at both the computer and monitor. When using a backup Unin- terruptible Power Supply (UPS), power the computer, the monitor and the CCM appliance off the supply.
NOTE: The AC inlet is the main disconnect.
Rack mount safety considerations
•Elevated Ambient Temperature: If installed in a closed rack assembly, the operation tempera- ture of the rack environment may be greater than room ambient. Use care not to exceed the rated maximum ambient temperature of the unit.