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SF4 - Unmanaged 8-port Rugged Ethernet Switch with M12
3U 19" Industrial Stand-Alone Device
This product has been discontinued.The SF4 is a stand-alone, unmanaged industrial Fast Ethernet switch that comes in a compact 3U, 22HP, 19" cassette. It was specifically designed for rugged mobile systems, e.g., in transportation.
SF4 Railway Ethernet Switch
Main Features
- Unmanaged 8-port rugged Ethernet switch
- 3U, 22 HP, 19" rack mountable
- 8 Fast Ethernet ports (front) on M12 connectors
- Power over Ethernet PSE functionality
- Service interface via D-Sub
- LEDs for port, PoE and board states
- Wide input range PSU (14.4 to 154 V), EN 50155 qualified (railways)
- -40 to +70(+85)°C according to EN 50155 Class Tx with qualified components
- Conformal coating
Technical Data
Key Features
- High-speed non-blocking, store-and-forward switching
- Eight 10/100Base-T ports at front panel (Electrical isolation: 1500 Vrms)
- Port configuration: copper, 10/100 Mbit/s
- Auto-negotiation / Auto MDI/MDIX crossover on all ports
- Layer2-based Policy Control List
- 8K MAC address lookup table with automatic learning and aging
- Up to 4096 VLANs
Supported Protocols and Standards
- Ethernet flow control (IEEE 802.3x)
- Link aggregation LACP / EtherChannel (IEEE 802.3ad, 2005)
- Priority-based switching, Quality of Service/DiffServ, tagged frames, Layer2-based 801.1Q VLAN-ID packet routing (IEEE 802.1p)
- Port-based authentication on registered MAC Address Lists
- Power over Ethernet support (IEEE 802.3af / IEEE 802.3at, Type 1)
- TCP/IP v4 and v6
- VLAN/port-based VLANs GVRP/MVRP (IEEE 802.1Q Rev D5.0, 2005)
Power Over Ethernet Features
Power over Ethernet functions on ports 1 and 2
- PSE (Power Sourcing Equipment) function
- Supplies one PD class 0 device or two PD class 2 devices (up to 15W total)
Service Interface
- 9-pin D-Sub connector at front
- SPI interface for external SPI programmer
Front I/O
- Eight Ethernet ports via M12 connectors
- One service interface via 9-pin D-Sub plug connector
- One power input via mixed 7-pin D-Sub plug connector
- Sixteen link and activity Ethernet status LEDs (two per channel)
- Four Power over Ethernet status LEDs, two each for ports 1 and 2
- Status LEDs for power and reset
Electrical Specifications
- Power supply unit
- 14.4..154 VDC wide range according to EN 50155
- Isolation (according to EN 50155)
- Input/output: 1500 Vrms
- Input/shield: 1500 Vrms (7W2 D-Sub power connector: 1000 Vrms)
- Output/shield: 1500 Vrms
- Ground/shield: 1500 Vrms
- Service connector: 1000 Vrms
- Power consumption: 24 W (incl. 15 W PoE)
Mechanical Specifications
- 19" rack-mount standard
- Dimensions: 3U, 22HP, 168 mm depth
- Weight: 970 g
Environmental Specifications
- Temperature range (operation):
- -40..+70°C (+85°C for ten minutes according to EN 50155 Class TX)
- Temperature range (storage): -40..+85°C
- Relative humidity (operation): max. 95% non-condensing
- Relative humidity (storage): max. 95% non-condensing
- Altitude: -300 m to + 3000 m
- Shock: according to EN 60068-2-27
- Bump: according to EN 60068-2-29
- Vibration (sinusoidal): according to EN 60068-2-6
MTBF
479 534 h @ 40°C according to IEC/TR 62380 (RDF 2000)
Safety
Flammability (PCBs)
- PCBs manufactured with a flammability rating of 94V-0 by UL recognized manufacturers
EMC Conformity
- EN 55022 (radio disturbance)
- EN61000-4-2 (ESD Immunity)
- IEC 61000-4-4 (burst)
- IEC 61000-4-5 (surge)
Options
Ethernet Switch
Fixed managed version
- With fixed configuration according to customer requirements
Ethernet-powered version without PSU (on request)
Class 2 Powered Device supplied via Ethernet Port 1
- No internal power supply unit
Some of these options may only be available for large volumes.
Please ask our sales staff for more information.