https://www.phoenixcontact.com/pi/products/2891916

08/14/2018   Page 3 / 5

Industrial Ethernet Switch - FL SWITCH LM 4TX/2FX SM - 2891916

Technical data

Function

RSTP (Rapid Spanning Tree Protocol)

FRD (Fast Ring Detection)

Large Tree Support

PROFINET conformance class

Conformance-Class A

Status and diagnostic indicators

LEDs: US1, US2 (power supply), Fail (alarm contact), 2 LEDs per

Ethernet port (Link/Activity and Speed)

Network expansion parameters

Cascading depth

Network, linear, and star structure: any

Maximum conductor length (twisted pair)

100 m

Supply voltage

Supply voltage

24 V DC (redundant)

Residual ripple

Supply voltage range

18.5 V DC ... 30.5 V DC

Typical current consumption

General

Mounting type

DIN rail

Type AX

Block design

Net weight

230 g

Connection data

Connection method

Screw connection

Conductor cross section solid min.

0.2 mm²

Conductor cross section solid max.

2.5 mm²

Conductor cross section flexible min.

0.2 mm²

Conductor cross section flexible max.

2.5 mm²

Conductor cross section AWG min.

24

Conductor cross section AWG max.

12

Stripping length

7 mm

Standards and Regulations

Electromagnetic compatibility

Conformance with EMC Directive 2014/30/EU

Type of test

Vibration resistance in acc. with EN 60068-2-6/IEC 60068-2-6

Test result

Operation/Storage/Transport: 5g, 150 Hz, Criterion 3

Noise emission

EN 61000-6-3/-4

Noise immunity

EN 61000-6-2:2005

Vibration (storage/transport)

5g, 150 Hz, in acc. with IEC 60068-2-6

Vibration (operation)

in acc. with IEC 60068-2-6: 5g, 150 Hz

Environmental Product Compliance

REACh SVHC

Lead 7439-92-1

China RoHS

Environmentally Friendly Use Period = 50