www.westermo.com
WeOS
Lynx DSS
L205-S1-EX
Industrial Ethernet
5-port Device Server Switch
2
6643-22801
3
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General information
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:
www.westermo.com
Software tools
Related software tools are available in the folder software tools under technical support
on the Westermo website.
License and copyright for included Free/Libre Open Source Software
This product includes software developed by third parties, including Free/Libre Open
Source Software (FLOSS). The specific license terms and copyright associated with the
software are included in each software package respectively. Please visit the product web
page for more information.
Upon request, the applicable source code will be provided. A nominal fee may be charged
to cover shipping and media. Please direct any source code request to your normal sales
or support channel.
WeOS Management Guide
This product runs WeOS (Westermo Operation System). Instructions for quick start,
configuration, factory reset and use of USB port are found in the WeOS Management
Guide at 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. Refer to Specific Conditions of Use.
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).
"Note that this unit can be connected to two different power sources."
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.
Note that this unit can be connected to two different power sources.
When this unit is operated at an ambient temperature above +55°C (+131°F),
the External Surface of Equipment may exceed Touch Temperature Limit according
to EN/IEC/UL 60950-1.
To reduce the risk of fire, use only No. 26 AWG or larger telecommunication
line cord.
For more information see General safety 100-5001.
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
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
part may be damaged.
If the unit is not working properly, contact the place of purchase, nearest Westermo
distributor 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.
!
!
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Maintenance
No maintenance is required, as long as the unit is used as intended within the specified
conditions.
Product disposal
This symbol means that the product shall not be treated
as unsorted municipal waste when disposing of it. It needs
to be handed over to an applicable collection point for
recycling electrical and electronic equipment.
By ensuring this product is disposed of correctly, you will
help to reduce hazardous substances and prevent potential
negative consequences to both environment and human
health, which could be caused by inappropriate disposal.
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ATEX certification
ATEX certification number
Baseefa12ATEX0119X
Standards
EN 60079-0, EN 60079-15
Certification code
Ex nA IIC T3 Gc (–40°C ≤ Ta ≤ +70°C)
ATEX code
II 3G
Specific Conditions of Use
The equipment must be installed in an area of not more than pollution degree 2 in
accordance with IEC/EN 60664-1, and in an enclosure that provides a minimum degree of
protection of at least IP54 and complies with the relevant requirements of EN 60079-0
and EN 60079-15.
All external connections to the equipment and, where applicable, the SFP modules must
not be inserted or removed unless either the area in which the equipment is installed is
known to be non-hazardous, or the circuits connected have been de-energized.
The network cables once installed must be properly fixated by the use of cable ties or
similar to reduce the risk of accidently withdrawing the plugs.
Equipment input parameters
Power Connector: +DC1, +DC2 & –COM
Working Voltage Range = 24 V to 48 VDC.
I/O Connector: ‘Status +’ & ‘Status –’ and ‘Digital in +’ and ‘Digital in –’
Maximum I/P Voltage = 60 VDC.
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ATEX-Zertifizierung
ATEX-Zulassungsnummer
Baseefa12ATEX0119X
Standards
EN 60079-0, EN 60079-15
Zertifizierungscode
Ex nA IIC T3 Gc (–40°C ≤ Ta ≤ +70°C)
ATEX-Code
II 3G
Spezifische Einsatzbedingungen
Die Geräte müssen in einem Bereich welcher einem maximalen Verschmutzungsgrad der
Stufe 2 gemäß IEC/EN 60664-1 entspricht und in einem Gehäuse, das einen Schutzgrad
von mindestens IP54 bietet und die relevanten Anforderungen von N 60079-0 und EN
60079-15 erfüllt, installiert werden.
Alle äußeren Anschlüsse des Gerätes und auch die SFP-Module dürfen nur dann
verbunden oder getrennt werden, wenn entweder der Bereich, in dem das Gerät
installiert ist, nachweislich ungefährlich ist, oder die verbundenen Stromkreise
spannungsfrei sind.
Die Netzwerkkabel müssen nach der Installation mithilfe von Kabelbindern oder
ähnlichem Material ordnungsgemäß befestigt werden, um ein versehentliches Abziehen
der Stecker zu verhindern.
Eingangsparameter der Geräte
Stromversorgung: +DC1, +DC2 & –COM
Betriebsspannungsbereich = 24 V to 48 VDC.
I/O-Anschluss: ‘Status +’ & ‘Status –’ und ‘Digital in +’ und ‘Digital in –’
Maximale I/P-Spannung = 60 VDC.
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Certification ATEX
Numéro de certification ATEX
Baseefa12ATEX0119X
Normes
EN 60079-0, EN 60079-15
Code de certification
Ex nA IIC T3 Gc (–40°C ≤ Ta ≤ +70°C)
Code ATEX
II 3G
Conditions spéciales d'utilisation
L'équipement doit être installé dans une zone où le degré de pollution ne dépasse pas le
degré 2 conformément à l'IEC/EN 60664-1, et dans un boîtier qui fournit un niveau de
protection au moins égal à IP54 et conforme aux exigences applicables à EN 60079-0 et
EN 60079-15
Toutes les connexions externes à l'équipement et, le cas échéant, les modules SFP ne
doivent pas être insérés ou retirés sauf si la zone dans laquelle l'équipement est installé
est reconnue comme non dangereuse, ou si les circuits raccordés sont hors-tension.
Une fois les câbles réseau installés, ils doivent être correctement fixé grâce à des attaches
de câbles ou autre élément semblable afin de réduire le risque de débranchement
accidentel.
Paramètres d'entrée des équipements
Connecteur d'alimentation: +DC1, +DC2 & –COM
Double entrée d'alimentation 24V à 48VCC
ConnecteurE/S: «Statut +» et «Statut –» et «Entrée digitale +» et «Entrée digitale –»
Tension maximale I/P = 60 VCC.
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Agency approvals and standards compliance
Type Approval / Compliance
EMC EN 61000-6-1, Immunity residential environments
EN 61000-6-2, Immunity industrial environments
EN 61000-6-3, Emission residential environments
EN 61000-6-4, Emission industrial environments
EN 50121-4, Railway signalling and telecommunications apparatus
IEC 62236-4, Railway signalling and telecommunications apparatus
Safety UL/IEC/EN 60950-1, IT equipment
Marine DNV GL rules for classification – Ships and offshore units .
Ex 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.
Corrosive
environment
Notice:
This product has been successfully tested in a corrosion test according to IEC 60068-
2-60, method 3. This means that the product meets the requirements to be placed in an
environment classified as ISA-S71.04 class G3.
Note! If the product is placed in a corrosive environment, it is important that all un-used
connector sockets are protected with a suitable plug in order to avoid corrosion attacks
on the gold plated pins in connectors.
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Declaration of Conformity
Westermo Network Technologies AB
EU Declaration of Conformity
Org.nr/
Postadress/Postal address
Tel.
Telefax
Postgiro
Bankgiro
Corp. identity number
Registered office
S-635 35 Stora Sundby
016-428000
016-428001
52 72 79-4
5671-5550
556361-2604
Eskilstuna
Sweden
Int+46 16428000
Int+46 16428001
The manufacturer
Westermo Network Technologies AB
SE-635 35 Stora Sundby, Sweden
Herewith declares that the product(s)
Type of product
Model
1
Industrial Ethernet 5-port Device Server Switch
Lynx
Lx05-S1-y
is in conformity with the following EU directive(s).
No
Short name
2014/30/EU
Electromagnetic Compatibility (EMC)
2014/35/EU
Low Voltage Directive (LVD)
2014/34/EU
Equipment Explosive Atmospheres (ATEX)
2011/65/EU
Restriction of the use of certain hazardous substances in electrical and electronic equipment
(RoHS)
References of standards applied for this EU 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 + AC:2005
EN 61000-6-3
Electromagnetic compatibility – Emission for residential environments
2007 + A1:2011
+ AC: 2012
EN 61000-6-4
Electromagnetic compatibility – Emission for industrial environments
2007 + A1:2011
EN 50121-4
Railway applications - Electromagnetic compatibility Emission and
immunity of the signalling and telecommunications apparatus
2016
EN 60950-1
Information technology equipment - Safety - Part 1: General
requirements
2006
+ A11: 2009
+ A1: 2010
+ A12: 2011
+ A2: 2013
EN 60079-0
2
Explosive atmospheres Equipment – General requirements
2018
EN 60079-15
2
Electrical apparatus for explosive gas atmospheres – Construction, test
and marking of type of protection “n”
2010
EN 50581
Technical documentation for the assessment of electrical and electronic
products w.r.t the restriction of hazardous substances
2012
Pierre Öberg
Technical Manager
25
th
November 2019
1
x = 1 or 2 and indicates Software Class. y = optional and may indicate customer specific models.
2
Only valid for y = EX model(s). Certificate: Baseefa12ATEX0119X. Issued by: SGS Baseefa Limited, Rockhead Business
Park, Staden Lane, Buxton, Derbyshire, SK17 9RZ, United Kingdom.
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Type tests and environmental conditions
Environmental phenomena Basic standard Description Test levels
Electrostatic discharge EN 61000-4-2 Enclosure Contact: ±6 kV
Air: ±8 kV
Fast transients EN 61000-4-4 Power port ±2 kV
Ethernet
Status out/Digital in
Serial ports
Enclosure
Surge EN 61000-4-5 Power port L-L: ±0.5 kV, 2 Ω, 18 μF
L-E: ±2 kV, 42 Ω, 0.5 μF
L-L: ±1 kV, 42 Ω, 0.5 μF
L-E: ±2 kV, 12 Ω, 9 μF
L-L: ±1 kV, 12 Ω, 9 μF
Ethernet L-E: ±2 kV, 2Ω, 0.5 μF
Status out/Digital in L-E: ±2 kV, 42 Ω, 0.5 μF
L-L: ±1 kV, 42 Ω, 0.5 μF
RS-232 L-E: ±2 kV, 2 Ω, 0.5 μF
Power frequency magnetic field EN 61000-4-8 Enclosure 300 A/m; 0, 16.7, 60 Hz
1000 A/m; 50 Hz
Pulsed magnetic field EN 61000-4-9 Enclosure 300 A/m
Radiated RF immunity EN 61000-4-3 Enclosure
20 V/m @ (80 – 2700) MHz
10 V/m @ (2700 – 6000) MHz
1 kHz sine, 80% AM
Conducted RF immunity EN 61000-4-6 Power port 10 V, 80% AM, 1 kHz; (0.15 – 80) MHz
Ethernet
Status out/Digital in
Serial ports
Earth port
Radiated RF emission CISPR 16-2-3
ANSI C63.4
(FCC Part 15)
Enclosure Class B / DNV bridge
Conducted RF emission CISPR 16-2-1
ANSI C63.4
(FCC Part 15)
Power port Class B / DNV bridge
Ethernet Class B
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Dielectric strength EN 60950-1 Power port to all
other ports
1.5 kVrms, 50 Hz, 1 min
Ethernet ports to all
other ports
RS-232 port to all
other ports
Environmental
Temperatures EN 60068-2-1
EN 60068-2-2
Operating –40 to +70°C (–40 to +158°F)*
Storage and transport –50 to +85°C (–58 to +185°F)
Humidity EN 60068-2-30 Operating 5 to 95 % relative humidity
Storage and transport 5 to 95 % relative humidity
Altitude Operating 2 000 m / 70 kPa
MTBF MIL-C217F2,
Parts count
Ground Benign, 25°C
(77°F)
677 000 hours
Service life Operating 10 year
Vibration IEC 60068-2-6
(sine)
Operating 3 – 13.2 Hz: 1mm
13.2 – 100 Hz: 0.7 g
5.5 – 30 Hz: 1.5 g
30 – 50 Hz: 0.42 mm
50 – 500 Hz: 4.2 g**
IEC 60068-2-64
(random)
5 – 20 Hz: 2 m²/s³,
20 – 2000 Hz: – 3 dB/oct
Shock IEC 60068-2-27 Operating 30 g, 11 ms
100 g, 6 ms**
Bump IEC 60068-2-27 Operating 10 g, 11 ms
Packaging
Enclosure EN 60950-1 Zinc Fire enclosure
Dimension W x H x D
With connectors
52.5 x 100 x 101 mm
52.5 x 119 x 101 mm
Weight 0.7 kg
Degree of protection EN 60529 Enclosure IP 40
Cooling Convection
* Refer to “Safety” section in User Guide.
** Might require Ethernet cables to be fastened close to the unit.
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Description
L205-S1-EX is an Industrial switch and device server made for harsh environments.
WeOS is the operating system of L205-S1 enabling the unit to operate in two functional
levels. The switch can be used in either 10 or 100 Mbit networks. Lynx DSS L205-S1-EX
has one serial port that supports RS-232.
Our unique FRNT (Fast Recovery of Network Topology) technology is the fastest
protocol on the market to re-configure a network in the event of any link or hardware
failure. That is why our products are used in safety critical applications such as tunnels,
traffic signal control and railway systems.
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Interface specifications
Power
Operating voltage Rated: 24 to 48 VDC
Operating: 19 to 60 VDC
Rated current 140 mA (290 mA) @ 24 VDC (with 500 mA USB load)
70 mA (140 mA) @ 48 VDC (with 500 mA USB load)
Rated frequency DC
Inrush current, I
2
t 22.7·10
-3
A
2
s @ 48 VDC
Startup current* 2 x Rated current
Polarity Reverse polarity protected
Redundant power input Ye s
Isolation to All other
Connection Detachable screw terminal
Conductor cross section 0.2 – 2.5 mm
2
(AWG 24 – 12)
Stripping length cable 7 mm
Tightening torque, terminal screw 0.5 -0.6 Nm
Tightening torque, screw flange 0.3 Nm
Shielded cable Not required
* External supply current capability for proper start-up
Ethernet TX
Electrical specification IEEE std 802.3. 2005 Edition
Data rate 10 Mbit/s, 100 Mbit/s, manual or auto
Duplex Full or half, manual or auto
Circuit type TNV-1
Transmission range Up to 150 m with CAT5e cable or better*
Isolation to All other
Connection RJ-45, auto MDI/MDI-X
Cabling Shielded CAT5e or better is recommended
Conductive housing Ye s
Number of ports 4
* Refer to Safety section.
RS-232
Electrical specification EIA RS-232
Data rate 50 bit/s – 115.2 kbit/s
Data format 7 or 8 data bits, Odd, even or none parity, 1 or 2 stop bits
Protocol Transparent, optimised by packing algorithm
Circuit type SELV
Transmission range 15 m / 49 ft
Isolation to All other
Connection RJ-45 according to EIA-561
Shielded cable Recommended
Conductive housing Ye s
Number of ports 1
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I/O / Relay output
Maximum voltage/current 60 VDC / 80 mA
Contact resistance Max 30 Ω
Isolation to All other
Connection Detachable screw terminal
Conductor cross section 0.14 – 1.5 mm
2
(AWG 28 – 16)
Stripping length cable 7 mm
Tightening torque, terminal screw 0.22 -0.25 Nm
Tightening torque, screw flange 0.3 Nm
I/O / Digital input
Maximum voltage/load current 60 VDC / 2 mA
Voltage levels Logic one: >12V
Logic zero: <1V
Isolation to All other
Connection Detachable screw terminal
Conductor cross section 0.14 – 1.5 mm
2
(AWG 28 – 16)
Stripping length cable 7 mm
Tightening torque, terminal screw 0.22 -0.25 Nm
Tightening torque, screw flange 0.3 Nm
USB
Electrical specification USB 2.0 host interface
Data rate Up to 12 Mbit/s (full-speed mode)
Circuit type SELV
Maximum supply current 500 mA
Connection USB receptacle connector type A
Console
Electrical specification LVTTL/LVCMOS-level
Data rate 115.2 kbit/s
Data format 8 data bits, no parity, 1 stop bit, no flow control
Circuit type SELV
Connection 2.5 mm jack, use only Westermo cable 1211-2027
RJ-45 connector (Front view)
Male Female
Pin 8
Pin 1
Pin 1
Pin 8
Pin 8 Pin 1
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LED Indicators (for details see page 14)
Power connection (for details see page 9 and 13)
I/O connection
(for details see page 10 and 13)
RS-232
Position Signal Direction Description Input/output values
No.1 DSR Out Data Set Ready
U = ±12 V max
I = ±60 mA max
Data rate:
50 bit/s – 115.2 kbit/s
No. 2 DCD Out Data Carrier Detect
No. 3 DTR In Data Terminal Ready
No. 4 SG – Signal Ground, not chassis
ground
No. 5 RD Out Receive Data
No. 6 TD In Transmit Data
No. 7 CTS Out Clear To Send
No. 8 RTS In Request To Send
Safety control drawing
Location of interface ports and LED’s
Ethernet connection TX (4 ports)
Position Signale Direction Description Input/output values
No.1 TD+ In/Out Transmitted/Received data
Per port:
U = ± 1 V (4V/μs)
I = ± 20 mA
Data rate:
10/100 Mbit/s
No. 2 TD– In/Out Transmitted/Received data
No. 3 RD+ In/Out Transmitted/Received data
No. 4 – Not Connected
No. 5 – Not Connected
No. 6 RD– In/Out Transmitted/Received data
No. 7 – Not Connected
No. 8 – Not Connected
Shield Connected to PE
Galvanically isolated via signal transformers and capacitively isolated to
GND/PE through a 2kV 1000pF capacitor.
See user manual for proven transient protection.
USB
Position Direction* / description Output values
1 Out / VBUS
U
out
= 5 VDC max
I
out
= 500 mA max
2 In/out / D–
3 In/out / D+
4 GND
Shield PE
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Connection to console port
The console port can be used to connect to the CLI
(Command Line Interface).
The following steps needs to be taken
1. Connect the serial diagnostic cable to the console port
(use only Westermo cable 1211-2027).
2. Connect cable to your computer (USB port, if drivers are needed they can be downloaded
from our Web page).
3. Use a terminal emulator and connect with correct speed and format (115200, 8N1)
to the assigned port.
For more information about the CLI, see the WeOS management guide.
I/O connection (for details see page 10 and 13)
Console port
(for details see page 10 and 13)
Cable 1211-2027
Bottom view
Accessories
Description Art no
Westermo console cable 1211-2027
RJ45 to terminal block 1200-2490
RJ45 to DB9 cable 1211-2210
Safety control drawing
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6643-22801
Power connection
1
2
3
4
4-position
Product
marking
Direction Description Input values
No. 1 +DC1 Input Supply voltage input DC1
U
in
= (19 – 60) VDC
I
in
= 290 mA @ 24 VDC
P
In
= 7 W @ 24 VDC
No. 2 +DC2 Input Supply voltage input DC2
No. 3 -COM Input Common
No. 4 -COM Input Common
Lynx supports redundant power connection. The positive inputs are +DC1 and +DC2, the negative input for
both supplies are –COM. Connect the primary voltage (e.g. +24 VDC) to the +DC1 pin and return to one of the
–COM pins on the power input.
I/O connection
1
2
3
4
4-position
Product
marking
Direction Description Input / Output values
No. 1 Status + Output Alarm relay (status) contact U
in
= 60 VDC max
No. 2 Status – Output Alarm relay (status) contact I
in
= 80 mA max
No. 3 Digital in + Input Digital in + U
in
= 60 VDC max
No. 4 Digital in – Input Digital in – I
in
= 2 mA max
The Status output is a potential free, opto-isolated normally closed solid-state relay.
This can be configured to monitor various alarm events within the Lynx unit, see WeOS Management Guide.
An external load in series with an external voltage source is required for proper functionality.
For voltage/current ratings, see Interface Specification section.
The Digital in is an opto-isolated
digital input which can be used to
monitor external events. For volt-
age/current ratings, see Interface
Specification section:
Lynx
External
Load
Status
V
V
Digital In
+
1
2
3
4
–
Safety control drawing
Console port
Position Direction* / description Input/output values
No.1 In / out / GND
U = 3.3 VDC max
I = 24 mA max
No. 2 Out / Tx
No. 3 In / Rx
* Direction relative to this unit.
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LED indicators
LED Status Description
ON OFF Unit has no power.
GREEN All OK, no alarm condition.
RED Alarm condition, or until unit has started up.
(Alarm conditions are configurable, see ''WeOS
Management Guide'').
BLINK Location indicator ("Here I am!"). Activated when
connected to IPConfig Tool, or upon request from
Web or CLI.
DC1 OFF
Unit has no power
GREEN Voltage present on DC1*
RED No voltage present on DC1
DC2 OFF Unit has no power
GREEN Voltage present on DC2*
RED No voltage present on DC2.
FRNT OFF FRNT disabled.
GREEN FRNT OK.
RED FRNT Error.
BLINK Unit configured as FRNT Focal Point.
RSTP OFF RSTP disabled.
GREEN RSTP enabled.
BLINK Unit elected as RSTP/STP root switch.
USR1 OFF
Configurable, see WeOS Management Guide.GREEN
RED
Rx/TD, TD OFF No serial data received.
GREEN
FLASH
Serial data received.
Tx/RD, RD OFF No serial data transmitted.
GREEN
FLASH
Serial data transmitted.
1 to 4 OFF No Link.
GREEN Link established.
GREEN
FLASH
Data traffic indication.
YELLOW Port alarm and no link. Or if FRNT or RSTP mode,
port is blocked.
*Note: Supply voltage levels must be ensured externally. A green LED may not
guarantee a valid operating voltage level.
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Mounting
This unit should be mounted on 35 mm DIN-rail, which is horizontally mounted inside an
apparatus cabinet or similar. It is recommended that the DIN-rail is connected to ground.
Snap on mounting, see figure.
Mounting Lynx with integrated DIN-clip:
Removal
Cooling
This unit uses convection cooling.
To avoid obstructing the airflow
around the unit, use the following
spacing rules. Minimum spacing 25 mm
(1.0 inch) above / below and 10 mm
(0.4 inches) left / right the unit.
Spacing is recommended for the use
of unit in full operating temperature
range and service life.
10mm 10mm
Removing Lynx with integrated DIN-clip:
Press down the support at the back of the unit using a screwdriver. See figure.
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dans d''autres langues
- English: Westermo L205-S1-EX User guide
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