030-300372 Rev. A 3 July 2003
Westell Dual Connect NAT Router with DMH Technology
User Guide
The telephone company may make changes to their facilities, equipment, operations, or procedures that could affect
the operation of this equipment. If this happens, the telephone company will provide advance notice in order for you
to make the modifications necessary to maintain uninterrupted service.
If your home has specially wired alarm equipment connected to the telephone line, ensure that the installation of this
equipment (Model 2200) does not disable your alarm equipment. If you have questions about what will disable
alarm equipment, consult your telephone company or a qualified installer.
This equipment cannot be used on public coin phone service provided by the telephone company. Connection of this
equipment to party line service is subject to state tariffs.
3.2 Canada Certification Notice
The Industry Canada label identifies certified equipment. This certification means that the equipment meets certain
telecommunications network protective, operations and safety requirements as prescribed in the appropriate
Terminal Equipment Technical Requirements document(s). The department does not guarantee the equipment will
operate to the user’s satisfaction.
This equipment meets the applicable Industry Canada Terminal Equipment Technical Specification. This is
confirmed by the registration number. The abbreviation, IC, before the registration number signifies that registration
was performed based on a Declaration of Conformity indicating that Industry Canada technical specification were
met. It does not imply that Industry Canada approved the equipment. The Ringer Equivalence Number (REN) is 0.0.
The Ringer Equivalence Number that is assigned to each piece of terminal equipment provides an indication of the
maximum number of terminals allowed to be connected to a telephone interface. The termination on an interface
may consist of any combination of devices subject only to the requirement that the sum of the Ringer Equivalence
Numbers of all the devices does not exceed five.
Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the
local Telecommunication Company. The equipment must also be installed using an acceptable method of
connection. The customer should be aware that compliance with the above conditions may not prevent degradation
of service in some situations. Connection to a party line service is subject to state tariffs. Contact the state public
utility commission, public service commission, or corporation commission for information.
If your home has specially wired alarm equipment connected to the telephone line, ensure that the installation of this
equipment (Model 2200) does not disable your alarm equipment. If you have questions about what will disable
alarm equipment, consult your telephone company or a qualified installer.
If you experience trouble with this equipment (Model 2200), do not try to repair the equipment yourself. The
equipment cannot be repaired in the field and must be returned to the manufacturer. Repairs to certified equipment
should be coordinated by a representative, and designated by the supplier. Refer to section 12 in this User Guide for
further details.
The termination on an interface may consist of any combination of devices subject only to the requirement that the
sum of the Ringer Equivalence Numbers of all the devices does not exceed five.
Users should ensure, for their own protection, that the electrical ground connections of the power utility, telephone
lines, and internal, metallic water pipe system, if present, are connected together. This precaution may be
particularly important in rural areas.
CAUTION
Users should not attempt to make such connections themselves, but should contact the
appropriate electrical inspection authority, or electrician, as appropriate.