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Cisco VG202, Cisco VG202XM, Cisco VG204, and Cisco VG204XM Voice Gateways Hardware Installation Guide
OL-15959-01
Chapter 2 Planning Your Installation
Distance Limitations for Interface Cables
Power Source
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity.
Statement 1001
Warning
Read the installation instructions before you connect the system to its power source.
Statement 1004
Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that
the protective device is rated not greater than:120 VAC, 15A U.S. (240 VAC, 10A international)
Statement
1005
Warning
The device is designed for connection to TN and IT power systems.
Statement 1007
Temperature Control and Ventilation
• Temperature Control, page 2-2
• Ventilation for Wall Mounting, page 2-2
• Ventilation for Desktop Mounting, page 2-2
Temperature Control
The installation area (room, closet, or cabinet) for the voice gateway chassis must be well ventilated and
provide adequate air circulation to ensure proper cooling. The room temperature should be maintained
between 32 to 122 degrees F (0 to 50 degrees C).
Ventilation for Wall Mounting
If you install the chassis onto a wall, ensure that there is plenty of space on all sides of the chassis to
allow adequate airflow through the chassis.
Ventilation for Desktop Mounting
If you place the chassis on a desk or shelf, do not stack other equipment or paper on top of it. Provide
plenty of space for air circulation on all four sides of the chassis.
Distance Limitations for Interface Cables
When planning your installation, consider distance limitations and potential electromagnetic
interference (EMI) as defined by the Electronic Industries Association (EIA).
• Fast Ethernet Maximum Distance, page 2-3