User's Manual

1
Preface
This manual provides information related to the installation and operation of this device. The
individual reading this manual is presumed to have a basic understanding of telecommunications
terminology and concepts.
If you find the product to be inoperable or malfunctioning, please contact technical support for
immediate service by email at [e-mail]
For product update, new product release, manual revision, or software upgrades, please visit our
website at http://www.comtrend.com
Important Safety Instructions
With reference to unpacking, installation, use, and maintenance of your electronic device, the
following basic guidelines are recommended:
 Do not use or install this product near water, to avoid fire or shock hazard. For example, near
a bathtub, kitchen sink or laundry tub, or near a swimming pool. Also, do not expose the
equipment to rain or damp areas (e.g. a wet basement).
 Do not connect the power supply cord on elevated surfaces. Allow it to lie freely. There
should be no obstructions in its path and no heavy items should be placed on the cord. In
addition, do not walk on, step on, or mistreat the cord.
 Use only the power cord and adapter that are shipped with this device.
 To safeguard the equipment against overheating, make sure that all openings in the unit that
offer exposure to air are not blocked.
 Avoid using a telephone (other than a cordless type) during an electrical storm. There may
be a remote risk of electric shock from lightening. Also, do not use the telephone to report a
gas leak in the vicinity of the leak.
 Never install telephone wiring during stormy weather conditions.
CAUTION:
 To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord.
 Always disconnect all telephone lines from the wall outlet before servicing or
disassembling this equipment.
WARNING
 Disconnect the power line from the device before servicing.
 Power supply specifications are clearly stated in Appendix C – Specifications.