https://www.phoenixcontact.com/us/products/2891518
12/15/2015Page2/4
Industrial Ethernet Switch-FL SWITCH SFN 7GT/SX-2891518
Technical data
Ambient conditions
Ambient temperature (storage/transport) -35 °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 mean sea level)
Air pressure (storage/transport) 66 kPa ... 108 kPa (up to 3500 m above mean sea level)
Interfaces
Interface 1 Ethernet (RJ45)
No. of ports 7 (RJ45 ports)
Connection method RJ45
Note on connection method Auto negotiation and autocrossing
Transmission physics Ethernet in RJ45 twisted pair
Transmission speed 10/100/1000 MBit/s
Interface 2 Fiber optic interface
No. of ports 1 (SC multi-mode)
Connection method SC
Transmission physics multi-mode fiberglass
Transmission speed 1000 MBit/s (full duplex)
Transmission length 220 m (Fiberglass 62.5/125)
550 m (Fiberglass 50/125)
Wavelength 850 nm
Interface 4 Potential-free signaling contact
Connection method Plug-in/screw connection via COMBICON
Function
Basic functions Unmanaged switch / auto negotiation, complies with IEEE 802.3, store and
forward switching mode
Status and diagnostic indicators LEDs: US1, US2 (redundant voltage supply), link and activity per port
Signal contact control voltage Monitoring of the redundant supply voltage
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 3.6 VPP (within the permitted voltage range)
Supply voltage range 9 V DC ... 32 V DC
Typical current consumption typ. 320 mA (at US = 24 V DC)