Westermo DDW-221 User Manual
User Guide
6642-22102
DDW-221
WOLVERINE SERIES
DDW-221
©
Westermo Teleindustri AB
Industrial Ethernet
SHDSL extender
www.westermo.com
Legal information
The contents of this document are provided “as is”. Except as required by applicable
law, no warranties of any kind, either express or implied, including, but not limited to,
the implied warranties of merchantability and fitness for a particular purpose, are made
in relation to the accuracy and reliability or contents of this document. Westermo
reserves the right to revise this document or withdraw it at any time without prior
notice.
Under no circumstances shall Westermo be responsible for any loss of data or income
or any special, incidental, and consequential or indirect damages howsoever caused.
More information about Westermo can be found at the following Internet address:
http://www.westermo.com
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Safety
Before installation:
!
Read this manual completely and gather all information on the unit. Make sure that
you understand it fully. Check that your application does not exceed the safe operating specifications for this unit.
This unit should only be installed by qualified personnel.
This unit should be built-in to an apparatus cabinet, or similar, where access is
restricted to service personnel only.
The power supply wiring must be sufficiently fused, and if necessary it must be
possible to disconnect manually from the power supply. Ensure compliance to
national installation regulations.
This unit uses convection cooling. To avoid obstructing the airflow around the unit,
follow the spacing recommendations (see Cooling section).
Before mounting, using or removing this unit:
!
Prevent access to hazardous voltage by disconnecting the unit from power supply.
Warning! Do not open connected unit. Hazardous voltage may occur within this
unit when connected to power supply.
Care recommendations
Follow the care recommendations below to maintain full operation of unit and to fulfil
the warranty obligations.
This unit must not be operating with removed covers or lids.
Do not attempt to disassemble the unit. There are no user serviceable parts inside.
Do not drop, knock or shake the unit, rough handling above the specification may cause
damage to internal circuit boards.
Do not use harsh chemicals, cleaning solvents or strong detergents to clean the unit.
Do not paint the unit. Paint can clog the unit and prevent proper operation.
Do not expose the unit to any kind of liquids (rain, beverages, etc). The unit is not water-
proof. Keep the unit within the specified humidity levels.
Do not use or store the unit in dusty, dirty areas, connectors as well as other mechanical
part may be damaged.
If the unit is not working properly, contact the place of purchase, nearest Westermo dis-
tributor office or Westermo Tech support.
A readily accessible disconnect device shall be incorporated external to the equipment.
This unit may have hot surfaces when used in high ambient temperature.
WARNING – SUBSTITIUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR
DIVISION 2
WARNING – DO NOT OPEN WHEN ENERGIZED
WARNING – DO NOT DISCONNECT EQUIPMENT UNLESS AREA IS KNOWN TO
BE NONHAZARDOUS
Maintenance
No maintenance is required, as long as the unit is used as intended within the specified
conditions.
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ATEX Information
General
This unit is intended to be used in Zone 2 hazardous location only.
Marking
II 3G EEx nA II T4
SPECIAL CONDITION
The Ex mark (Epsilon X mark) is a specific marking for explosive protection
equipment. The mark shows that this unit complies with the requirements of the
relevant European standards that are harmonised with the 94/9/EC Directive.
Equipment group II.
II
3G
EEx
nA
II
T4
SPECIAL
CONDITON
This unit can be installed in all places with an explosive gas atmosphere other
than mines susceptible to firedamp.
Category 3G.
A category is the classification according to the required level of protection.
This unit is intended for use in areas in which explosive atmosphere caused by
gases, vapours or mists are unlikely to occur or, if they do occur, are likely to do
so only infrequently and for a short period only.
Equipment in this category ensures the requisite level of protection during normal
operation.
The letter 'G' indicates the protection concerning explosive atmospheres caused
by gases, vapours or mists.
The marking of "EEx" shows that this unit is in conformity with European Ex
standard(s).
Type of protection applied to electrical equipment to avoid ignition of a surrounding explosive atmosphere.
This unit is a non-sparking device "nA" which is constructed to minimize the risk
of occurrence of arcs or sparks capable of creating an ignition hazard during conditions of normal operation.
Equipment group II.
This unit can be installed in all places with an explosive gas atmosphere other
than mines susceptible to firedamp.
Temperature class T4.
This unit is classified in accordance with its maximum surface temperature
(external and internal).
This unit have special condition for use.
The special conditon for use containes safety related information that is necesarry
for the correct installation and safe use.
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Special condition for use
Ambient temperature:
This unit is designed for use in extreme ambient temperature conditions according to the
following: –40 ºC ≤ T
≤ +70 ºC
amb
Degree of protection by enclosure (IP):
This unit is intended for installation in an apparatus cabinet or similar providing adequate
protection against the entry of solid foreign objects or water capable of impairing safety.
The unit shall attain an equivalent degree of protection of IP54 by the installation in the
apparatus cabinet or similar.
Resistance to impact:
This unit is intended for installation in an apparatus cabinet or similar, where the apparatus cabinet provides the adequate resistance to impact.
Resistance to light:
This unit is intended for installation in an apparatus cabinet or similar where it is protected from light (for example daylight or light from luminaries).
Conductor temperature:
When this unit is installed in locations with high ambient temperature, special precautions
shall be taken upon the choice of external conductors and the temperature rating of the
conductor(s).
Directive 94/9/EC alongside with other directives:
Directive 2004/108/EC (EMC) applies and to assure a safe performance of this unit under
the scope of Directive 94/9/EC, refer to the electromagnetic immunity level specified
under Type tests and environmental conditions in this manual.
Standards and date of compliance
EN 60079-0 and EN 60079-15
2008-11-01
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Agency approvals and standards compliance
Type
Approved
Agency/ W-mo
Approval / Compliance
EMC W-mo EN 61000-6-2, Immunity industrial environments
W-mo EN 55024, Immunity IT equipment
W-mo EN 61000-6-4, Emission industrial environments
W-mo FCC part 15 Class A
W-mo EN 50121-4, Railway signalling and telecommunications
apparatus
Safety W-mo EN 60950-1, IT equipment
SHDSL NEMKO ITU-T G.991.2
EX FM Approvals Class 1, Division 2
ATEX W-mo EN 60079-0 and EN 60079-15
FCC Part 15.105 Notice:
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio
or television reception, which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
… Reorient or relocate the receiving antenna
… Increase the separation between the equipment and receiver
… Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected
… Consult the dealer or an experienced radio/TV technician for help.
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