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Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
FL SWITCH SFNB 4TX/FX SM20
Weight
0.281 kg
This product is Not Cancellable/Not Returnable

FL SWITCH SFNB 4TX/FX SM20 - Industrial Ethernet Switch

Ethernet switch, 4 TP RJ45 ports, 1 FO port, 100 Mbps full duplex in SC-D format, single mode fiberglass, automatic detection of data transmission speed of 10 or 100 Mbps (RJ45), autocrossing function

  • RJ45 ports support a transmission speed of 10/100 Mbps
  • Fiber-optic ports support 100 Mbps
  • Local diagnostic indicators with LEDs
  • Auto negotiation and autocrossing detection simplifies installation and setup
Technical Specifications

Dimensions

Width28 mm
Height110 mm
Depth70 mm

Material specifications

Housing MaterialAluminum

Mounting

Mounting TypeDIN rail mounting

Ethernet (RJ45)

Connection MethodRJ45
Note on the connection methodAuto negotiation and autocrossing
Transmission Speed10/100 Mbps
Transmission physicsEthernet in RJ45 twisted pair
Transmission length100 m (per segment)
Signal LEDsData receive, link status
No. of channels4 (RJ45 ports)

Fiber optic interface

Connection MethodSC
Transmission Speed100 Mbps (full duplex)
Transmission physicsSingle-mode fiberglass
Transmission length25 km (fiberglass with F-G 9/125 0.5 dB/km)
Wavelength1310 nm
No. of channels1 (SC single mode)

Product properties

Product familyUnmanaged Switch SFNB
TypeBlock design
MTTF130.5 Years (MIL-HDBK-217F standard, temperature 25°C, operating cycle 100%)

Switch functions

Basic FunctionsUnmanaged switch / auto negotiation, complies with IEEE 802.3, store and forward switching mode
Status and diagnostic indicatorsLEDs: US, link and activity per port
Additional functionsAutonegotiation

Security functions

Basic FunctionsUnmanaged switch / auto negotiation, complies with IEEE 802.3, store and forward switching mode

Electrical properties

Local diagnosticsUS Supply voltage Green LED
Local diagnosticsLNK/ACT Link status/data transmission Green LED
Local diagnostics100 Data transmission speed Yellow LED
Maximum power dissipation for nominal condition4.2 W
Transmission mediumCopper

Supply

Supply voltage (DC)24 V DC
Supply Voltage Range12 V DC ... 48 V DC
Power supply connectionVia COMBICON, max. conductor cross section 2.5 mm²
Residual ripple3.6 VPP (within the permitted voltage range)
Typical current consumption175 mA (at US = 24 V DC)

Connection data

Connection MethodScrew connection
Conductor cross section, rigid0.2 mm² ... 2.5 mm²
Conductor cross section, flexible0.2 mm² ... 2.5 mm²
Conductor cross section AWG30 ... 12
Stripping length7 mm

Ambient conditions

Degree of ProtectionIP20
Ambient Temperature (Operation)-10 °C ... 60 °C
Ambient temperature (storage/transport)-20 °C ... 85 °C
Permissible humidity (operation)5 % ... 95 % (non-condensing)
Permissible humidity (storage/transport)5 % ... 95 % (non-condensing)
Air pressure (operation)86 kPa ... 108 kPa (up to 1500 m above sea level)
Air pressure (storage/transport)66 kPa ... 108 kPa (up to 3500 m above sea level)

Conformity/Approvals

UL, USA / CanadaClass I, Div. 2, Groups A, B, C, D

EMC data

Noise immunityEN 61000-6-2
Electromagnetic compatibilityConformance with EMC Directive 2004/108/EC
Noise emissionEN 61000-6-4

Functionality

Basic FunctionsUnmanaged switch / auto negotiation, complies with IEEE 802.3, store and forward switching mode

Signaling

Status displayLEDs: US, link and activity per port
Accessories

Why Proax for Phoenix Contact 2891029?

Proax is an authorized distributor of Phoenix Contact 2891029 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.

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Additional Information

Pack Size1
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