https://www.phoenixcontact.com/pi/products/2891916
08/20/2018Page2/5
Industrial Ethernet Switch-FL SWITCH LM 4TX/2FX SM-2891916
Technical data
Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -40 °C ... 70 °C
Ambient temperature (storage/transport) -40 °C ... 85 °C
Permissible humidity (operation) 30 % ... 95 % (non-condensing)
Permissible humidity (storage/transport) 30 % ... 95 % (non-condensing)
Air pressure (operation) 80 kPa ... 108 kPa (2000 m above sea level)
Air pressure (storage/transport) 70 kPa ... 108 kPa (3000m above sea level)
Interfaces
Interface 1 Ethernet (RJ45)
No. of ports 4 (RJ45 ports)
Note on the connection method Auto negotiation and autocrossing
Transmission physics Copper
Transmission speed 10/100 Mbps
Transmission length 100 m (per segment)
Interface 2 Ethernet FO
No. of ports 2 (SC single mode)
Transmission physics Single-mode fiberglass
Transmission speed 100 Mbps (full duplex)
Transmission length 36000 m (fiberglass with F-G 9/125 0.36 dB/km)
32000 m (fiberglass with F-G 9/125 0.4 dB/km)
26000 m (fiberglass with F-G 9/125 0.5 dB/km)
Wavelength 1300 nm
Interface 5 Serial (RS-232)
Connection method RS-232-C, 6-pos. MINI-DIN socket (PS/2)
Function
Basic functions
Store-and-forward switch complies with IEEE 802.3, 2 priority classes
according to IEEE 802.1p, TCP/IP protocol, BootP-compatible, port
mirroring, integrated web server function, multicast filtering, IGMP
snooping, VLAN, Rapid Spanning Tree (RSTP), DHCPserver, PTCP
filter
Management Web-based management (HTTP)
SNMP v1/v2
Serial interface (V.24)
Diagnostic functions 1:1-Portmirroring
Filter functions Quality of Service
VLAN (up to 8 VLANs)
IGMP Query
Auto-Query-Port
Extended Multicast Filtering
Supported browsers Internet Explorer 5.5 or higher
Redundancy STP (Spanning Tree Protocol)