Managed Device Server Switch mit EX-Zulassung


Lynx 105 EX is a layer 2 managed industrial Ethernet switch, powered by the Westermo WeOS network operating. Independently tested for IECEX and ATEX by Baseefa, as well as Class 1 Division II by FM approval, Lynx is the perfect solution for hazardous area applications in any part of the world.

Lynx is the most compact and has the lowest power requirements in this class of switch. Lynx has 4 10/100 Mbit/s ports and 1 RS-232 port.

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Only industrial grade components are used which gives Lynx an MTBF of 677,000 hours and ensures a long service life. A wide operating temperature range –40 to +70°C (–40 to +158°F) can be achieved with no moving parts or cooling holes in the case. Lynx has been tested both by Westermo and external test houses to meet many EMC, isolation, vibration and shock standards, all to the highest levels suitable for heavy industrial environments and rail trackside application.

WeOS has been developed by Westermo to allow us to offer cross platform and future proof solutions. WeOS can deliver 20 ms ring recovery performance even for networks with video or EtherNet/IP traffic. For EX approved transceivers and more WeOS functionality please see the transceiver and WeOS datasheets.




Protocols and functionality
Serial port technologyModem Replacement, Modbus Gateway, PPP dial in/dial out and Serial over IP
Resiliency and high availabilityFast Reconfiguration of Network Topology (FRNT)
FRNT ring coupling
Multilink dual homing
IEEE 802.1D (STP) and IEEE 802.1w (RSTP)
IEEE 802.1AX/802.3ad Link Aggregation
Layer 2 switchingIEEE 802.1Q Static VLAN and VLAN Tagging
IEEE 802.3x Flow Control
IGMPv2/v3 snooping
AVT Dynamic VLAN (Adaptive VLAN Trunking)
Management VLAN (Management Interface concept)
Static Multicast MAC filters
Layer 2 QoSIEEE 802.1p Class of Service
Layer 2 securityIEEE 802.1X Port Access Control
MAC Authentication
ManageabilityManagement tools
• Web interface (HTTP and HTTPS or CLI (SSHv2 or Telnet)
• SNMPv1/v2c/v3
• Flexible management of configuration and log files
Flexible alarm/event handling system
USB Fluid configuration (Available for products with USB port)
Digital I/O and Flexible alarm/event handling system
Syslog (log files and remote syslog server)
Port Monitoring
SNTP (NTP client)
PPPoE client
DHCP client
DHCP server including option 82
DHCP relay agent including option 82
SNMP MIB supportRFC1213 MIB-2
RFC2863 Interface MIB (ifXTable)
RFC2819 RMON MIB (etherStatsTable)
RFC4188 Bridge MIB
RFC4133 Entity MIB (entityPhysical)
RFC3433 Entity Sensor MIB
RFC3621 Power Ethernet MIB


Technische Daten


Product description
Article number3643-5210
Ports4 x 10/100 Mbit/s, Ethernet TX, RJ-45. 
1 x Digital I/O.
1 x RS-232, RJ-45.
1 x USB.
DescriptionManaged EX approved Device Server Switch
Warranty period5 years
MarineDNV Standard for Certification no. 2.4
Hazardous locationsEN 60079-0 and EN 60079-15
EMC (Electromagnetic Compatibility)
EN 61000-6-1Immunity residential environments
EN 61000-6-2Immunity industrial environments
EN 61000-6-3Emission residential environments
EN 61000-6-4Emission industrial environments
EN 55022 +A1Emission IT equipment
EN 55024 + A1 + A2Immunity IT equipment
FCC part 15Class B
EN 50121-4Railway signalling and telecommunications apparatus
IEC 62236-4Railway signalling and telecommunications apparatus
EMC specifications
EN 61000-4-2, ESDContact: ±6 kV
Air: ±8 kV
EN 61000-4-4, fast transientsPower port: ±2 kV
Ethernet: ±2 kV
Status out/Digital in: ±2 kV
Serial ports: ±2 kV
Enclosure: ±2 kV
EN 61000-4-5, surgePower 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

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

L-E: ±2 kV, 2 Ω, 0.5 μF

L-E: ±2 kV, 42 Ω, 0.5 μF
EN 61000-4-8, power frequency magnetic field300 A/m; 0, 16.7, 60 Hz
1000 A/m; 50 Hz
EN 61000-4-9, pulsed magnetic field300 A/m
EN 61000-4-3, radiated RF immunity20 V/m @ (80 – 2700) MHz
1 kHz sine, 80% AM
EN 61000-4-6, conducted RF immunityPower port: 10 V, 80% AM, 1 kHz; (0.15 – 80) MHz
Ethernet: 10 V, 80% AM, 1 kHz; (0.15 – 80) MHz
Status out/Digital in: 10 V, 80% AM, 1 kHz; (0.15 – 80) MHz
Serial ports: 10 V, 80% AM, 1 kHz; (0.15 – 80) MHz
Earth port: 10 V, 80% AM, 1 kHz; (0.15 – 80) MHz
EN 55022, radiated RF emmision, FCC Part 15/ DNV 2.4EN 55022/FCC Part 15/DNV 2.4, Class B / DNV bridge
EN 55022, conducted RF emmision, FCC Part 15/ DNV 2.4EN 55022/FCC Part 15/DNV 2.4, Class B / DNV bridge
DNV 2.4, compass safe distanceStandard compass (5.4°/H deviation) = 15 cm
Steering/standby steering/emergency compass (18°/H deviation) = 10 cm
SafetyUL/IEC/EN 60950-1, IT equipment
EN 60950-1, dielectric strengthPower port to all other ports: 1.5 kVrms, 50 Hz, 1 min
Ethernet ports to all other ports: 1.5 kVrms, 50 Hz, 1 min
RS-232 port to all other ports: 1.5 kVrms, 50 Hz, 1 min
RS-422/485 port to all other ports: 1.5 kVrms, 50 Hz, 1 min
Reliability prediction
MTBF, operating677 000 h (MIL-HDBK-217F (Gb) 25°C)
Service life, operating10 years
Temperature, operating–40 to +70°C (–40 to +158°F)
Temperature, storage–50 to +85°C (–58 to +185°F)
Humidity, operating5 to 95 % relative humidity
Humidity, storage5 to 95 % relative humidity
EnclosureFire enclosure
Dimensions (W x H x D)52.5 x 100 x 101 mm
Weight0.7 kg
Degree of protectionIP 40
MountingHorizontal on 35 mm DIN-rail
IEC 60068-2-6, vibrationIEC 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), operating
5 – 20 Hz: 2 m²/s³,
20 – 2000 Hz: – 3 dB/oct
IEC-60068-2-27, shockOperating:
30 g, 11 ms
100 g, 6 ms**
IEC 60068-2-27, bumpOperating:
10 g, 11 ms
Interface specifications, power
Operating voltageRated: 24 to 48 VDC
Operating: 19 to 60 VDC
Rated current250 mA (380 mA) @ 24 VDC (with 500 mA USB load)
120 mA (188 mA) @ 48 VDC (with 500 mA USB load)
Rated frequencyDC
Inrush current22.7·10-3 A2s @ 48 VDC
Startup current2 x Rated current
PolarityReverse polarity protected
Redundant power inputYes
Isolation toAll other
ConnectionDetachable screw terminal
Connector size0.2 – 2.5 mm2 (AWG 24 – 12)
Shielded cableNot required
Interface specifications, 10/100BaseTX
Electrical specificationIEEE std 802.3. 2005 Edition
Data rate10 Mbit/s, 100 Mbit/s, manual or auto
DuplexFull or half, manual or auto
Circuit typeTNV-1
Transmission rangeUp to 150 m with CAT5e cable or better*
Isolation toAll other
ConnectionRJ-45, auto MDI/MDI-X
CablingShielded CAT5e or better is recommended
Conductive housingYes
Number of ports4
Interface specifications, RS-232
Electrical specificationEIA RS-232
Data rate300 bit/s – 115.2 kbit/s
Data format7 or 8 data bits, Odd, even or none parity, 1 or 2 stop bits
ProtocolTransparent, optimised by packing algorithm
Circuit typeSELV
Transmission range15 m / 49 ft
Isolation toAll other
ConnectionRJ-45 according to EIA-561
Shielded cableRecommended
Conductive housingYes
Number of ports1
Interface specifications, I/O relay output
Maximum voltage / current60 VDC / 80 mA
Connect resistanceMax 30 Ω
Isolation toAll other
ConnectionDetachable screw terminal
Connector size0.2 – 2.5 mm2 (AWG 24 – 12)
Interface specifications, I/O Digital output
Maximum volt / current60 VDC / 2 mA
Voltage_levelsLogic one: >12V
Logic zero: <1V
Isolation toAll other
ConnectionDetachable screw terminal
Connector size0.2 – 2.5 mm2 (AWG 24 – 12)
Interface specifications, USB
Electrical specificationUSB 2.0 host interface
Data rateUp to 12 Mbit/s (full-speed mode)
Circuit typeSELV
Maximum supply current500 mA
ConnectionUSB receptacle connector type A
Interface specifications, console
Electrical specificationLVTTL/LVCMOS-level
Data rate115.2 kbit/s
Data format8 data bits, no parity, 1 stop bit, no flow control
Circuit typeSELV
Connection2.5 mm jack, use only Westermo cable 1211-2027

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Managed Device Server Switch mit EX-Zulassung