The LMCU700 is a media converter aimed at the Gigabit Ethernet arena, offering low cost conversion from twisted pair 10/100BASE-T to 100BASE-FX with either multimode or single-mode fibre options. There are three members of this product family.
LMCU700 Multimode fibre for distances up to 2km
LMCU701 Single-Mode fibre, short haul for distances up to 15km
LMCU702 Single-Mode fibre, long haul for distances up to 40km.
To ensure reliable operation, the units supports Link State Forwarding, whereby a fault on the fibre will automatically force a link down on the copper port to indicate to the attached device that there is a link problem.
The 100BASE-FX interface is presented using duplex SC fibre transceivers.
There is a choice of 100-250VAC or -48VDC integrated power supplies. Rack mounting units are available to mount either 2 or 18 unit modules in a 19 inch rack.
1000BASE-FX Fibre Interface:
Port — IEEE802.3u 100BASE-X
Interface — Dual SC Single-mode
Wavelength — 1300 nm
Data Rate — 125 Mbps
100BASE-FX Multimode:
Tx Power — -19 to -14 dBm
Max Rx Input Power — 0 dBm
Rx Sensitivity — -30 to -14 dBm
Optical Loss Budget — 11 dBm
100BASE-FX Single-Mode Short Haul:
Tx Power — -5 to 0 dBm
Max Rx Input Power — -7 dBm
Rx Sensitivity — -34 to 7 dBm
Optical Loss Budget — 29 dBm (40 km)
10/100BASE-T Electrical Interference:
Port — IEEE802.3u, 10/100BASE-T with auto negotiation
Interface — RJ-45 (Auto crossover MDI/MDI-X)
Operating Modes — Auto negotiate, 10M, 100M, Full Duplex, Half Duplex
LEDs — Link, Activity
Compliance and Approvals
SafetyEN60950, IEC-60825-1 (Class 1 Laser Eye Safety)
EMC — EN55022, EN50082
Environment
Operating Temperature — 0 to 50°C
Humidity — 0 to 95% RH, non-condensing
Pressure — 86-106 KPA
Storage Temperature — -40 to 100°C
Power Supply Options
-48 VDC — -36 to -72VDC, 150-85mA
Mains — 100-250VAC, 50-60Hz, 60-25mA
Power Consumption — 6 Watts approx. when operating
Unit:
Type — Modem
Dimensions — 1U, 4.4H x 20.2W x 13.2D cm; 4.8H x 20.2W x 13.2D cm (with feet)
Weight — 1.13kg
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