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Important Safety Instructions
1. Read and follow all warning notices and instructions marked on the product or included in the manual.
2. This product is intended to be used with a 3-wire grounding type plug — a plug which has a grounding pin. This is
a safety feature. Equipment grounding is vital to ensure safe operation. Do not defeat the purpose of the grounding
type plug by modifying the plug or using an adapter.
Prior to installation, use an outlet tester or a voltmeter to check the AC receptacle for the presence of earth ground.
If the receptacle is not properly grounded, the installation must not continue until a qualified electrician has
corrected the problem.
If a 3-wire grounding type power source is not available, consult a qualified electrician to determine another
method of grounding the equipment.
3. Slots and openings in the cabinet are provided for ventilation. To ensure reliable operation of the product and to
protect it from overheating, these slots and openings must not be blocked or covered.
4. Do not allow anything to rest on the power cord and do not locate the product where persons will walk on the power
cord.
5. Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous high
voltage points or other risks. Refer all servicing to qualified service personnel.
6. General purpose cables are described for use with this product. Special cables, which may be required by the
regulatory inspection authority for the installation site, are the responsibility of the customer. To reduce the risk of
fire, use a UL Listed or CSA Certified, minimum No. 26 AWG (0.128 mm
7. When installed in the final configuration, the product must comply with the applicable Safety Standards and
regulatory requirements of the country in which it is installed. If necessary, consult with the appropriate regulatory
agencies and inspection authorities to ensure compliance.
8. A rare phenomenon can create a voltage potential between the earth grounds of two or more buildings. If products
installed in separate buildings are interconnected, the voltage potential may cause a hazardous condition.
Consult a qualified electrical consultant to determine whether or not this phenomenon exists and, if necessary,
implement corrective action prior to interconnecting the products.
9. In addition, if the equipment is to be used with telecommunications circuits, take the following precautions:
— Never install telephone wiring during a lightning storm.
— Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.
— Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the
network interface.
— Use caution when installing or modifying telephone lines.
— Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk of
electric shock from lightning.
— Do not use the telephone to report a gas leak in the vicinity of the leak.
10. This product has provisions for the customer to install Class 1 laser transponders which provide optical coupling to
the telecommunication network. Once a Class 1 laser product is installed, the equipment is to be considered to be
a Class 1 Laser Product (Appareil à Laser de Classe 1). The customer is responsible for selecting and installing
the laser transponders and for insuring that the Class 1 AEL (Allowable Emission Limit) per EN/IEC 60825 is not
exceeded after the laser transponders have been installed. Do not install laser products whose class rating is
greater than 1. Refer to all important safety instructions that accompanied the transponder prior to installation.
Only laser Class 1 devices, certified for use in the country of installation by the cognizant agency are to be utilized
in this product.
11. Input power to the ALARM interface (located on the front panel of the enclosure) must not exceed 30V rms or
60V dc.
12. The equipment is intended for installation in a max. 50° C ambient temperature, in an environment that is free of
dust and dirt.
13. The power supply cord for countries other than North America is to be a minimum H05 V V-F type, min. 0.75 mm
2-conductor and earth ground terminated in an IEC 320 connector on one end, and a plug which is certified for use
in the country of installation at the other end.
4821-A2-GN20-00
2
) telecommunication cable.
April 2002
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