Desktop Mounting; Access To Chassis; Power Source; Cable Types - Cisco VG202 Hardware Installation Manual

Distance Limitations for Interface Cables

Desktop Mounting

If the voice gateway is placed on a desktop, do not stack other equipment or paper on the chassis. Provide
plenty of space for air circulation at all four sides of the gateway. Inadequate ventilation can result in
overheating and damage.

Access to Chassis

Allow space at the back of the chassis for cable connections. Also consider the need to access the chassis
for future upgrades, maintenance, and troubleshooting.

Power Source

Do not work on the system or connect or disconnect cables during periods of lightning activity.
Warning
Statement 1001
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
Warning
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

Cable Types

For information on cable types, see the white papers associated with this product.
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). Distance limitation
information is included for the following voice gateway ports:
•
•

Fast Ethernet Maximum Distance

The maximum segment distance for Fast Ethernet is 330 feet (100 meters) (specified in IEEE 802.3).
Cisco VG202 and Cisco VG204 Voice Gateways Hardware Installation Guide
2-2
Fast Ethernet Maximum Distance, page 2-2
FXS Analog Voice Port Maximum Distance, page 2-3
Chapter 2 Planning Your Installation
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