https://www.phoenixcontact.com/pi/products/2891110
08/20/2018Page2/4
Industrial Ethernet Switch-FL SWITCH SFN 7TX/FX ST-2891110
Technical data
Ambient conditions
Permissible humidity (storage/transport) 5 % ... 95 % (non-condensing)
Air pressure (operation) 86 kPa ... 108 kPa (up to 1500m above sea level)
Air pressure (storage/transport) 66 kPa ... 108 kPa (up to 3500m above sea level)
Interfaces
Interface 1 Ethernet (RJ45)
No. of ports 7 (RJ45 ports)
Note on the connection method Auto negotiation and autocrossing
Transmission physics Ethernet in RJ45 twisted pair
Transmission speed 10/100 Mbps
Interface 2 Fiber optic interface
No. of ports 1 (ST multi-mode)
Transmission physics multi-mode fiberglass
Transmission speed 100 Mbps (full duplex)
Transmission length 2000 m (Fiberglass 50/125)
2000 m (Fiberglass 62.5/125)
Wavelength 1300 nm/1310 nm
Function
Basic functions
Unmanaged switch / auto negotiation, complies with IEEE 802.3, store
and forward switching mode
Additional functions Autonegotiation
Status and diagnostic indicators
LEDs: U
S
, link and activity per port
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
Residual ripple
3.6 V
PP
(within the permitted voltage range)
Supply voltage range 9 V DC ... 32 V DC
Typical current consumption
typ. 190 mA (at U
S
= 24 V DC)
General
Mounting type DIN rail
Type AX Block design
Net weight 365 g
Housing material Aluminum
Standards and Regulations
Electromagnetic compatibility Conformance with EMC Directive 2004/108/EC
Noise emission EN 61000-6-4
Noise immunity EN 61000-6-2:2005
