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4 4929 DSLAM Installation and User’s Guide
U.S. Government Users. The Software is a "commercial item" as defined at 48 C.F.R. 2.101,
consisting of "commercial computer software" and "commercial computer software
documentation" as such terms are used in 48 C.F.R. 12.212. Under 48 C.F.R. 12.212 and 48
C.F.R. 227.7202-1 to 227.7202-4, U.S. Government Users acquire the Software only with the
rights set forth therein.
Third Party Licensors. This Zhone End User License Agreement may be accompanied by
differing or additional provisions applicable to portions of the Software provided by one or
more Licensors ("Licensor Provisions"). User acknowledges and agrees that its Use of such
portions of the Software is subject to the Licensor Provisions.
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 to be connected to a nominal –48 to –60 VDC supply source that is
electrically isolated from the AC source using minimum 18 AWG (0.75mm² ) leads . Two
inputs are provided for redundancy. The positive terminal of the DC source is to be
reliably connected to earth. Connect a minimum 18 AWG (0.75mm² ) green/yellow
earthing (grounding) wire to the protective earthing (grounding) screw, identified by the
protective earth symbol on the back of the chassis.
3. This product may only be used in a Restricted Access Location in accordance with the
requirements of the National Electric Code, ANSI/NFPA 70, and the Canadian Electrical
Code, or in accordance with the standards and regulatory requirements of the country in
which it is installed. A Restricted Access Location is a secure area (dedicated equipment
rooms, equipment closets, or the like) for equipment where access can only be gained by
service personnel or by users who have been instructed about the reasons for the
restrictions applied to the location and about any precautions that must be taken. In
addition, access into this designated secured area is possible only through the use of a tool
or lock and key, or other means of security, and is controlled by the authority responsible
for the location.
4. A readily accessible disconnect device as part of the building installation shall be
incorporated in fixed wiring. The DC disconnect device must be rated at a minimum
60 VDC, minimum 2A. The disconnect device shall be readily accessible to the operator.
The disconnect device must be included with an adequately rated fuse or circuit breaker in
the ungrounded conductor. Use a minimum 18 AWG (0.75 mm²) fixed power source wires
with strain retention.
5. Do not allow anything to rest on the power cord and do not locate the product where
persons will walk on the power cord.
6. 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.
7. Do not attempt to service this product yourself, as it will void the warranty. Opening or
removing covers may expose you to dangerous high voltage points or other risks. Refer all
servicing to qualified service personnel.
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. CLASS 1 LASER PRODUCT: This product has provisions for the customer to install a
Class 1 laser transceiver, which provides 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 transceiver and for insuring that the Class 1 AEL
(Allowable Emission Limit) per EN/IEC 60825 is not exceeded after the laser
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