SF1 - 3U 19" 8-Port Unmanaged Ethernet Switch, PoE, RJ45

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 RJ45 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: tbd. W

MTBF: 489,962 h @ 40°C according to IEC/TR 62380 (RDF 2000)

Mechanical Specifications

19" rack-mount standard

Dimensions: 3U, 18HP, 168 mm depth

Weight: 870 g

Environmental Specifications

Temperature range (operation):
• -40..+70°C (qualified components, +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 + 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

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

Environmental specifications

Conformal coating on request

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

Article No.	Description
19SF01-00	Unmanaged Switch with 8 Fast Ethernet ports on RJ45, PSU, 18HP, -40..+85°C with qualified components

Article No.	Description	More
19SF02-00	Managed Switch with 8 Fast Ethernet ports on RJ45, PoE, PSU, 18HP, -40..+85°C with qualified components	More info
19SF03-00	Managed Switch with 8 Fast Ethernet ports on M12, PoE, PSU, 22HP, -40..+85°C with qualified components, conformal coating	More info
19SF04-00	Unmanaged Switch with 8 Fast Ethernet ports on M12, PSU, 22HP, -40..+85°C with qualified components, conformal coating	More info

Article No.	Description	More
19SF01-DS	SF1 Data Sheet (PDF)	Download
20SF01-00	SF1/SF4 User Manual (PDF)	Download