Chapter 2 Preparing to Install the VG248
Preparing the Installation Site
2-2
Cisco VG248 Analog Phone Gateway Hardware Installation Guide
78-13154-01
Warning
Read the installation instructions before you connect the system to its power
source.
Warning
This unit is intended for installation in restricted access areas. A restricted
access area is where access can only be gained by service personnel
through the use of a special tool, lock and key, or other means of security,
and is controlled by the authority responsible for the location.
Choosing a Site for Installation
• Install the system in a restricted access area, where access can be gained only
by service personnel through the use of a special tool, lock and key, or other
means of security.
• Choose a site with a dry, clean, well-ventilated and air-conditioned area.
• Choose a site that maintains an ambient temperature of 32 to 104 ° F (0 to
40°
C).
Ensuring Overcurrent Protection
The system relies on the protective devices in the building installation for
protection against short-circuit, overcurrent, and earth (grounding) fault. Ensure
that the protective devices in the building installation are properly rated to protect
the system, and that they comply with national and local codes.
Warning
This product relies on the building’s installation for short-circuit
(overcurrent) protection. Ensure that a fuse or circuit breaker no larger than
120 VAC, 15A U.S. (240 VAC, 10A international) is used on the phase
conductors (all current-carrying conductors).
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