https://www.phoenixcontact.com/us/produkte/2989831
05.06.2012Page2/5
Switch-FL SWITCH LM 4TX/2FX ST-E-2989831
Technical data
Interfaces
Connection method ST
Transmission physics Multimode fiberglass
Transmission speed 100 MBit/s (full duplex)
Transmission length 11000 m (fiberglass with F-G 62.5/125 0.7 dB/km F1000)
Transmission length 6400 m (fiberglass with F-G 50/125 0.7 dB/km F1200)
Transmission length 3000 m (fiberglass with F-G 62.5/125 2.6 dB/km F600)
Transmission length 2800 m (fiberglass with F-G 50/125 1.6 dB/km F800)
Wavelength 1300 nm
Function
Basic functions
Store-and-forward switch complies with IEEE 802.3 2, priority
classes in acc. with IEEE 802.1 P TCP/IP protocol, BootP-
compatible, port mirroring, integrated web server function,
multicast filtering, IGMP snooping, VLAN, Rapid Spanning Tree
(RSTP), DHCPserver
Supported browsers Internet Explorer 5.5 or higher
Redundancy Rapid Spanning Tree 802.1w, Fast Ring Detection
Status and diagnostic indicators Per Ethernet 2 status LEDs: LINK and status activity, 100, full
duplex, supply voltage US1 and US2 (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
Residual ripple 3.6 VPP (within the permitted voltage range)
Supply voltage range 18.5 V DC ... 30.5 V DC
Typical current consumption 400 mA (at US = 24 V DC)
General data
Width 45 mm
Height 99 mm
Depth 112 mm
Mounting type DIN rail
Type AX Block-oriented
Weight 230 g
Degree of protection IP20
Ambient temperature (operation) -40 °C ... 70 °C
Ambient temperature (storage/transport) -40 °C ... 85 °C
Permissible humidity (operation) 30 % ... 95 % (no condensation)
Permissible humidity (storage/transport) 30 % ... 95 % (no condensation)
Air pressure (operation) 80 kPa ... 108 kPa (2000 above sea level)
Air pressure (storage/transport) 70 kPa ... 108 kPa (3000 above sea level)
Noise emission EN 61000-6-3/-4
Noise immunity EN 61000-6-2:2005