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
3
6650-2291
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 voltages by disconnecting the unit from the power
supply.
Warning! Do not open a connected unit. Hazardous voltages may occur within
this unit when connected to a power supply.
Class 1 Laser Product
This unit is designed to meet the Class 1 Laser regulations. However, the user is
warned not to look directly into fibre optical fibre port or any connected fibre.
Care recommendations
Follow the care recommendations below to maintain full operation of the unit and to
fulfil the warranty obligations.
This unit must not be operated with covers or lids removed.
Do not attempt to disassemble the unit. There are no user serviceable parts inside.
Do not drop, knock or shake the unit. Rough handling beyond 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 waterproof. 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 parts may be damaged.
If the unit is not working properly, contact the place of purchase, nearest Westermo
distributor office, or Westermo Tech support.
Fibre connectors are supplied with plugs to avoid contamination inside the optical port.
The plug should be fitted when no optical fibre is inserted in the connector, e.g. during
storage, service or transportation.
4
6650-2291
Note. Fibre Optic Handling
Fibre optic equipment requires careful handling as the fibre components are very
sensitive to dust and dirt. If the fibre is disconnected from the modem, the protective
plug on the transmitter/receiver must be replaced. The protective plug must be kept on
during transportation. The fibre optic cable must also be protected in the same way.
If this recommendation is not followed, it can jeopardise the warranty.
Cleaning of the optical connectors
In the event of contamination, the optical connectors should be cleaned by using forced
nitrogen and some kind of cleaning stick.
Recommended cleaning fluids:
• Methyl-, ethyl-, isopropyl- or isobutyl-alcohol
• Hexane
• Naphtha
Maintenance
No maintenance is required, as long as the unit is used as intended within the specified
conditions.
EN 50121-4, Railway signalling and telecommunications apparatus
IEC 62236-4, Railway signalling and telecommunications apparatus
SafetyEN 60950-1, IT equipment
ATEX*EN 60079-0 and EN 60079-15
* Applicable for ODW-641 Ex only
FCC Part 15.105
Notice:
EN 55022 Notice:
This equipment has been tested and found to comply with the limits for a Class A
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference when the equipment is operated in a
commercial environment.
This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely
to cause harmful interference in which case the user will be required to correct the
interference at his own expense.
This is a class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures.
5
6650-2291
ATEX Information (Applicable for ODW-641 EX only)
General
This unit is intended for use in Zone 2 hazardous location only.
Marking
II 3 G
Ex nA IIC T4 Gc
SPECIAL CONDITON
WARNING – DO NOT SEPARATE WHEN ENERGIZED
Indicate that this unit complies with relevant European standards that are
harmonised with the 94/9/EC Directive (ATEX).
II
3
G
ExIndicates that this unit is in conformity with relevant European Ex standard(s).
nA
IICGas group, a typical gas i hydrogen.
T4
Gc
SPECIAL
CONDITON
Equipment group II.
This unit can be installed in all places with an explosive gas atmosphere other
than mines susceptible to firedamp
Equipment category 3.
A category is the classification according to the required level of protection.
This unit ensures the requisite level of protection during normal operation and
is intended for use in areas in which explosive atmosphere caused by gases,
vapours, mists, or dust mixtures are unlikely to occure or, if they do occure, are
likely to do so only infrequently and for a short periode only.
Indicates protection concerning explosive atmospheres caused by gases,
vapours or mists (G).
Type of protection used.
This unit is a non-sparking device "nA" which is constructed to minimize the
risk of occurence of arcs or sparks capable of creating an ignition hazard during
conditions of normal operation.
Temperature class T4 (T4 = 135°C).
This unit is classified in accordance with its maximum surface temperature
(external and internal).
Equipment protection level Gc (EPL Gc).
Equipment for explosive gas atmospheres, having a "enhanced" level of protection, which is not a source of ignition in normal operation and which may have
some additional protection to ensure that it remains inactive as an ignition
source in the case of regular expected occurences. EPL Gc are analogous to the
ATEX Categories (Category 3 G = EPL Gc).
This unit has a special condition of use.
The special conditon for safe use contains safety related information that is
necesarry for the correct installation and safe use.
6
6650-2291
Ratings
Power (12 – 48) VDC; 240 mA
Ambient temperature –40ºC ≤ Ta ≤ +70ºC
Ingress protection (IP)IP21
Maximum surface temperatur 135ºC (temperature class T4)
Safety Control Drawing
Degree of protectionIP 21
Ambient temperature–40°C to +70°C
Installation spacing
Direction relative this unit!
Minimum 25 mm above / below
Minimum 10 mm left / right
Galvanically isolated via signal transformers and
capacitively isolated to signal ground through a
250 V 3300 pF capacitor.
See user manual for proven transient protection.
Position
12
Direction*/
descripton
1In/Out / SHDSL
Input/Output values
U = ± 5 Vpk
I = ± 25 mA
1234
2In/Out / SHDSL
Galvanically isolated via signal transformer and capacitively
isolated to signal ground through a 1,5kV 220pF capacitor.
See user manual for proven transient protection.
Position
See section Type tests and environmental conditions in this
user manual for proven transient protection.
Direction*/
descripton
1In / Common
2In / +Voltage A
3In / +Voltage B
4In / Common
Input values
= (10 – 60) VDC
U
in
= 295 mA @ 10 VDC
I
in
= Max 3 W
P
In
Data rate up to
15,3 Mbit/s
1
2
3
4
7
6650-2291
SPECIAL CONDITION FOR SAFE USE
Ambient temperature:
This unit is designed for use in extreme ambient temperature conditions as follows:
–40 ºC ≤ Ta ≤ +70 ºC
Installation in an apparatus cabinet:
This unit requires installation in an Ex certified apparatus cabinet suitable for the area of use and
providing a degree of protection of at least IP54.
Resistance to impact:
This unit requires installation in an apparatus cabinet where adequate resistance to impact is
provided by the apparatus cabinet. See "Installation in an apparatus cabinet" above for requirements
on the external apparatus cabinet.
Resistance to light:
This unit requires installation in an apparatus cabinet where it is protected from light
(for example daylight or light from luminaires).
See "Installation in an apparatus cabinet" above for requirements on the external apparatus cabinet.
Secureness of plugs:
When this unit is installed in an explosive atmospheres, all connectors must be mechanically secured
to prevent loosening.
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.
References of standards applied for this EC declaration of conformity.
No Title Issue
EN 61000-6-1 Electromagnetic compatibility – Immunity for residential environments 2007
EN 61000-6-2 Electromagnetic compatibility – Immunity for industrial environments 2005
EN 61000-6-3 Electromagnetic compatibility – Emission for residential environments 2007
EN 61000-6-4 Electromagnetic compatibility – Emission for industrial environments 2007
EN 55022 Information technology equipment – Emission 2006
+A1:2007
EN 55024 Information technology equipment – Immunity 1998
+A1:2001
+A2:2003
EN 50121-4 Railway applications – Electromagnetic compatibility – Emission and
immunity of the signalling and telecommunications apparatus
2006
EN 60079-0
Explosive atmospheres
Equipment – General requirements
2009
EN 60079-15
Electrical apparatus for explosive gas atmospheres –
Construction, test and marking of type of protection “n” electrical
apparatus
2005
The last two digits of the year in which the CE marking was affixed: 10
Pierre Öberg
Technical Manager
17th December 2010
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