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Ethernet Lean managed switches
with four RJ45 ports, 10/100 mbps, with auto crossing and auto negotiation and
two glass fiber SC FO ports (single mode), 100 mbps (100BASE-FX), SNMP management,
redundancy via Rapid Spanning Tree (IEEE 802.1w)
Interfaces
Interface |
Ethernet |
No. of ports |
4 RJ45 ports |
Type of connection |
RJ45 socket, autonegotiation |
Transmission physics |
Copper |
Transmission speed |
10/100 MBit/s |
Interface |
Fiber optic interface |
No. of ports |
2 SC single-mode |
Type of connection |
SC-DUPLEX |
Transmission length |
36000 m (glass fiber with F-G 9/125
0.36 dB/km) |
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32000 m (glass fiber with F-G 9/125
0.4 dB/km) |
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26000 m (glass fiber with F-G 9/125
0.5 dB/km) |
Interface |
Serial (RS-232) |
Type of connection |
RS-232-C, 6-pos. MINI-DIN female
connector (PS/2) |
Function
Basic functionality |
Store-and-forward switch, complies
with IEEE 802.3, two priority classes in acc. with IEEE 802.1
P TCP/IP protocol, BootP-capable, integrated web server function,
Rapid Spanning Tree (RSTP) |
Supported browsers |
Internet Explorer 5.5 or higher |
Redundancy |
Rapid Spanning Tree 802.1w |
Status and diagnostics
displays |
Per Ethernet 2 status LEDs: LINK
and status activity, 100, full-duplex, supply voltage US1
and US2 (redundant supply voltage) |
Network extension parameters
Cascading depth |
Network, line 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) |
Range of supply voltages |
18.5 V DC ... 30.5 V DC |
Typical current consumption |
400 mA (at US = 24 V DC) |
General data
Weight |
230 g |
Width |
45 mm |
Height |
99 mm |
Depth |
112 mm |
Degree of protection |
IP20 in acc. with DIN 40050/IEC 60529 |
Ambient temperature (operation) |
-40 °C ... 70 °C |
Ambient temperature (storage/transport) |
-40 °C ... 85 °C |
Permissible humidity
(operation) |
30 % ... 95 % (non-condensing) |
Electromagnetic compatibility |
Conformance with EMC directive 89/336/EEC |
Emitted interference |
EN 61000-6-3/-4 |
Immunity to interference |
EN 61000-6-2 |
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Part#: FL SWITCH LM 4TX/2FX SM
Manufacturer#: 2891916
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