3Com TECHD-0000000122 Home Security System User Manual


 
Chapter 2: Prepare the Site
10 X-Series Hardware Installation and Safety Guide V 2.5
WARNING: This warning symbol means danger. It tells you how to avoid physical
injury to people or equipment. For people, injury includes anything from temporary
conditions, such as pain, to irreversible conditions such as death. For equipment,
injury means anything requiring repair. Warnings tell you what you should or
should not do, and the consequences of not heeding the warning.
Only trained and qualified personnel should install, replace, or service this
equipment. Disconnect the system before servicing.
This product requires short-circuit (overcurrent) protection, to be provided as part
of the building installation. Install only in accordance with national and local
wiring regulations.
Do not operate the system unless all cards and top cover is in place.
To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line
cord.
There is a risk of explosion if the battery is replaced by an incorrect type. Dispose
of used batteries according to the instructions.
This equipment is to be installed and maintained by service personnel only as
defined by AS/NZS 3260 Clause 1.2.14.3 Service Personnel.
This unit is intended for installation in restricted access areas only.
When connecting equipment to IT power distributions, Phase to phase voltage
must not exceed 240 V.
The ports on the front of the TippingPoint are Safety Extra-Low Voltage (SELV)
circuits. SELV circuits should only be connected to other SELV circuits.
Do not work on the system or connect or disconnect cables during periods of
lightning activity.
To prevent the unit from overheating, do not operate it in an area that exceeds the
maximum recommended ambient temperature of 104° F (40° C). To prevent airflow
restriction, allow at least 3 inches (7.6 cm) of clearance around the ventilation
openings.