852-303 - Industrial managed switch; 8 - 10/100 Mb/s RJ45 ports; 2 - 1000 Mb/s Fiber Optic ports

Switching mode

Store‐and‐forward; non-blocking

Number of 100Base-TX ports

8

Number of 1000Base SX/LX ports

2

Communication standards

IEEE 802.3 10BASE-T

IEEE 802.3u 100BASE-TX/FX

IEEE 802.3z 1000BASE-SX/LX

IEEE 802.3x Flow Control

IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)

IEEE 802.1q VLAN Tagging

IEEE 802.1ab Link Layer Discovery Protocol (LLDP)

IEEE 802.1p Prioritization

IEEE 802.1x Port Authentication

Redundancy function

Redundant DC power supply; STP; RSTP; MSTP; Jet Ring < 300 ms; Xpress Ring < 20 ms; Dual Homing < 20 ms; Dual Ring; ERPSv2 < 50 ms; LCAP

Configuration options

DIP switch for signal contact

Command Line Interface

SNMPv1/v2c/v3

Diagnostics

Signal contact, Modbus/TCP, port status, port statistics, port load, traffic monitor, SFP information, syslog, mail alarm, SNMP traps

MAC table (size)

16000 addresses

Jumbo frame size

10000.

Supply voltage

12 … 60 VDC; Cable length:< 3 m

Power consumption without PoE

12

ESD (contact/air discharge)

8 KV / 15 KV

Baud rate

Copper cable: 10/100 Mbit/s; Fiber optic:1000 Mbit/s

Transmission medium (communication/fieldbus)

Copper cable: Cat. 5e or higher, 100 m maximum cable length; Fiber optic: SX Multi-Mode, LX Single-Mode

Optical fiber type

Single-Mode and Multi-Mode

VLAN

Port-based and tag-based (4k VIDs)

Controls

14 x DIP switch: Alarm function power supplies and ports 1 … 10, 100/1000 Mbps fiber optic ports; 1 x Reset button: system restart

Indicators

Device: LED (PWR, RPS, POST) green: Power supply (primary), redundant power supply (secondary), POST function; LED (ALM) red: Alarm; LED (LASER ON) yellow, LED (LNK/ACT, 100) green, LED (OFFLINE) red: Status of fiber optic ports; per port: LED (100, LNK/ACT) green: Status 100 Mbps, LNK/ACT ports 1 … 8

Connection technology: communication/fieldbus

Copper cable: 8 x RJ-45; Fiber optic: 2 x SFP-slots (e.g., with SFP module and LC fiber-optic connector)

Connection technology: supply

1 x Built-in male connector: 231-436/001-000; included female connector (MCS Connectors): 2231-106/026-000

Width

50 mm / 1.969 inches

Height

162 mm / 6.378 inches

Depth

120 mm / 4.724 inches

Weight

910

Color

black metallic

Housing material

Aluminum

Conformity marking

CE

Ambient temperature (operation)

-40 … +70 °C

Surrounding air temperature (storage)

-40 … +80 °C

Protection type

IP30

Relative humidity (without condensation)

95

Mounting type

DIN-35 rail

Vibration resistance

per IEC 60068-2-6

Shock resistance

per IEC 60068-2-27

EMC immunity to interference

per EN 61000-6-2

EMC emission of interference

per EN 61000-6-4

Fire load

0.234