GW-482S INSTALL ATION GUID E
iv
MN100143 Rev B
SAFETY CONSIDERATIONS
Please read these safety considerations before you begin installation. The instructions in this guide
are for use by qualified personnel only. To avoid shock, do not perform any procedures other than
those contained in the instructions.
EL ECTRIC SHOCK PREVENTION
Disconnect the product from the power line before removing the cover. Any adjustment and
maintenance of the opened device should be done only while the device is disconnected from its
source of power and should only be performed by qualified personnel, authorized by Telco.
GROUNDING
Before connecting the product to the power line, make sure that the protective ground terminal of
the device is connected to the ground by a standard grounding conductor.
Any interruption of the protective (grounding) conductor or disconnection of the protective ground
terminal can make the device unsafe to use. Intentional interruption is prohibited.
FUSES
Make sure that only UL recognized or listed fuses with the specified current rating and model
number or equivalent types are used for replacement. The use of repaired fuses and the short-
circuiting of fuse holders is prohibited.
For all fuses, use 4A, 5mm x 20mm glass fuses, manufactured by Schurter, model 0034.3123, rated
250 V AC, or equivalent UL approved DC rated fuse.
LINE VOLTAGE
Before connecting the product to the power line, make sure the voltage of the power source
matches the requirements of the product, as marked on the label located near the power connector.
