Avocent CCM4850 User Manual download pdf (Page 14)

2 CCM4850 Installer/User Guide

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 built-in command help

information. On-board Trivial File Transfer Protocol (TFTP) support allows administrators to

upload new functionality to CCM appliances in the field.

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.

Safety Precautions

To avoid potential device problems, if the building has 3-phase AC power, ensure that a computer

and its monitor (if used) are on the same phase. For best results, they should be on the same circuit.

To avoid potentially fatal shock hazard and possible damage to equipment, please observe the

following precautions:

• Do not use a 2-wire extension cord in any Equinox product configuration.

• 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.

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.

• Reduced Airflow: Installation of the equipment in a rack should be such that the amount of air-

flow required for safe operation of the equipment is not compromised.

• Mechanical Loading: Mounting of the equipment in the rack should be such that a hazardous

condition is not achieved due to uneven mechanical loading.

• Circuit Overloading: Consideration should be given to the connection of the equipment to the

supply circuit and the effect that overloading of circuits might have on overcurrent protection

and supply wiring. Consider equipment nameplate ratings for maximum current.

• Reliable Earthing: Reliable earthing of rack mounted equipment should be maintained. Pay

particular attention to supply connections other than direct connections to the branch circuit

(for example, use of power strips).

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Avocent CCM4850 User Manual Page 14