1 Gigabit uplink port at front panel
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)
Layer 2 Features
TCP/IP (IPv4, IPv6)
Transparent bridging
QoS (DiffServ) and 802.1p traffic prioritization queuing, polishing, shaping
VLAN-aware bridging
Security Features
MAC 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 15 W total)
Service Interface
M12 connector at front
SPI interface for external SPI programmer
Front I/O
8 Ethernet ports via M12 connectors
Gigabit uplink port
8-pin M12 connector, A-coded
1 service interface via M12 connector
2 redundant power inputs via M12 connectors
Link and activity Ethernet status LEDs (2 per channel)
Power over Ethernet status LEDs
Status LEDs for power and reset
Electrical Specifications
Power input
Nominal input voltage 24 VDC (9 to 36 V) or 110 VDC (77 to 150 V) according to EN50155
Two redundant inputs
Power-on threshold: 0.7xUn = 16.8 V (for 24 VDC PSU) or 77 V (for 110 VDC PSU)
Power change-over threshold (when a secondary power source is connected): 12 V (for 24 VDC PSU) or 66 V (for 110 VDC PSU) (lower input voltage results in automatic switch to secondary power source)
Minimum input voltage when no secondary power source is connected: 9 V (for 24 VDC PSU) or 66 V (for 110 VDC PSU)
EN50155 power interruption class S2
Isolation (according to EN50155)
1500 Vrms
Power consumption at Unom (24 V): 24 W (incl. 15 W PoE)
Mechanical Specifications
Dimensions: 220 mm x 130 mm x 70 mm (without connectors)
Prepared for wall or DIN-rail mounting with special mounting plates (available separately)
Weight: 1.9 kg
Environmental Specifications
Temperature range (operation):
-40..+70°C (+85°C) with up to 85°C for 10 minutes according to class Tx (EN50155)
Airflow: natural convection
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
Climatic tests according to EN68068
Shock and vibration tested according to EN61373
IP67 compliant
Conformal coating on request
MTBF
292,031 h @ 40°C according to IEC/TR 62380 (RDF 2000)
Safety
PCBs manufactured with a flammability rating of 94V-0 by UL recognized manufacturers
EMC
Tested according to the following railway standards:
EN50121 (radio disturbance)
EN61000-4-2 (ESD)
EN61000-4-4 (burst)
EN61000-4-5 (surge)
Conforming to e1 requirements of the German Federal Motor Transport Authority
Tested according to the following automotive standards:
CISPR25/CISPR16 (radiated emission)
ISO7637-2 (conducted emission - power line)
ISO7637-2 (conductive immunity - power line)
ISO7637-3 (capacitive immunity - signal line)
ISO11452-2, ISO11452-5 (radiation immunity)
EN50121 (radio disturbance)
