VS300 Pre-installation Manual
Page xviii
Issue 2.0 2010-12-01
Safety interlocks
The transmitter contains an electrical interlock, which is an external circuit that turns off the RF
output if any of its switches are opened.
Equipment safety
Electrostatic protection
The transmitter’s systems are very rugged and resistant to damage. However, it is possible for damage
to occur because of high voltage electrostatic discharges during servicing. Train all service personnel
to ground themselves to bleed off any static charge before opening the transmitter or touching any
exposed components. Provide a grounding wand or known ground (e.g., a grounded metal table) that
personnel can use to discharge themselves.
Surge protection
Surge protection is recommended for your entire site. However, even if you do not use a surge
protector on the service entrance to the site, you should install a surge protector in the transmitter’s
ac power feed to prevent over-voltage from entering the transmitter.
Lightning protection
The transmitter is designed to resist lightning strike damage. However, intense or repeated strikes
could damage the transmitter. We recommend that you install lightning suppression on the antenna,
tower and feedline to reduce the effect of lightning strikes on the transmitter itself (and to protect the
rest of your site equipment and your personnel). For detailed information about lightning protection,
see the
Nautel Site Preparation Manual
, available from your Nautel sales agent, or online from the
Nautel website.
Physical protection
Consider physical hazards to equipment at your site, including the transmitter. Ensure that equipment
is protected from weather (e.g., rain or flooding), even during extreme weather events. Place
equipment so that it is not in the path of swinging doors or high-traffic areas. Do not allow wheeled
items like office chairs or tables with wheels in the transmitter room, as these may damage equipment
if accidentally pushed or knocked over. Do not place the transmitter under water pipes, drains, or
sprinklers. Keep any equipment that generates heat, like the transmitter, away from flammable
materials like ceiling panels, cubicle dividers, and curtains.
Summary of Contents for VS300
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