SF4 - 3U 19" 8-Port Unmanaged Ethernet Switch, PoE, M12

Auto-negotiation

High-speed non-blocking, store-and-forward switching

8K MAC address lookup table with automatic learning and aging

QoS (Quality of Service) support with 4 traffic classes (IEEE 802.1p tagged frames)

Layer 2 switching

Back pressure or IEEE802.3x flow control

Automatic MDI/MDI-X crossover (all ports)

TCP/IP (IPv4, IPv6)

Layer 2 Features

Transparent bridging

QoS (DiffServ) and 802.1p traffic prioritization queuing, polishing, shaping

VLAN-aware bridging

Security Features

MAC based and IP based access list (ACL) for traffic filtering

Rate-limiting and storm control to prevent packet flooding from malicious peers

Supported Ethernet Standards

Transparent bridging: IEEE 802.1d, 2004

VLAN: IEEE 802.1q Rev D5.0, 2005

Port based VLANs: IEEE 802.1q Rev D5.0, 2005

Link aggregation: IEEE 802.3ad, 2005

Power over Ethernet support: IEEE 802.1af

Priority based switching: IEEE 802.1p

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

8 Ethernet ports via M12 connectors

1 service interface via 9-pin D-Sub plug connector

1 power input via mixed 7-pin D-Sub plug connector

16 link and activity Ethernet status LEDs (2 per channel)

4 Power over Ethernet status LEDs, 2 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: 5.6 W at 24 V, 6.6 W at 110 V

MTBF: 479,534 h @ 40°C according to IEC/TR 62380 (RDF 2000)

Mechanical Specifications

19" rack-mount standard

Dimensions: 3U, 22HP, 168 mm depth

Weight: 970 g

Environmental Specifications

Temperature range (operation):
• -40..+70°C (qualified components, +85°C for ten minutes according to EN50155 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 + 3,000 m

Shock: according to EN 60068-2-27

Bump: according to EN 60068-2-29

Vibration (sinusoidal): according to EN 60068-2-6

Conformal coating

Safety

PCBs manufactured with a flammability rating of 94V-0 by UL recognized manufacturers

EMC

Tested according to EN 55022 (radio disturbance), EN 61000-4-2 (ESD), EN 61000-4-4 (burst) and EN 61000-4-5 (surge)

Ethernet-powered version without PSU (on request)

Class 2 Powered Device supplied via Ethernet Port 1
• No internal power supply unit

Please note that some of these options may only be available for large volumes. Please ask our sales staff for more information.

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