Specifications

Model No.
Running Head
Safety Information and Precautions
The equipment is designed and manufactured in compliance with the European Safety
Standard EN60950 and the Unites States UL60950 Safety Standards. However, the following
precautions should be observed to ensure personal safety during installation or service, and
prevent damage to the equipment or equipment to be connected.
Read and follow all warning notices and instructions marked on the product or included in this
Reference Guide.
Only qualified technicians should perform these tasks.
1. Never install telephone wiring during a lightning storm.
2. Never install telephone jacks in wet locations unless the jack is specifically designed
for wet locations.
3. Never touch uninsulated telephone wires or terminals unless the telephone line has
been disconnected at the network interface.
4. Use caution when installing or modifying telephone lines.
5. See the UL Statement for Voice ports.
6. Never attempt to open the case.
7. The AC versions of this product is intended to be used with a three-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 three-wire
grounding type power source is not available, consult a qualified electrician to
determine another method of grounding the equipment.
The DC versions of this product must be connected properly with the -VDC and return
(RTN) leads. The grounding screw provided on the right rear of the chassis should be
connected to frame ground.
8. 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.
9. DO NOT allow anything to rest on the power cord and do not locate the product where
persons could step on or walk on the power cord.