1E1 + 4FE PDH Fiber Optic Multiplexer
Brellet Telecom's PDH Fiber Optic Multiplexer provides 1*E1 interface, 4*10M/100M Ethernet interface (Wire Speed 100M) and 2 expansion interface. The 4* Ethernet interface is switch interface, can support VLAN. It is very flexible. It has alarm function. It is reliable and stable during the work and has the features of low power consumption, high integration and small size.
Pictures
Features
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Based on self-copyright IC
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Modular wide dynamic optical detector
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Ethernet (Line Speed 100M) interface rate is 10M/100M, half/full duplex Auto-Nego
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Uses standard 2 wire telephone (non-telephone handles) set as engineering order-wire hotline(optional)
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E1 interface complies with G.703, adopts digital clock recovery and smooth phase-lock technology
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Provide Console manage interface (RS232)
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When optical signal lost, it can detect the remote device is power off or fiber is disconnected, and indicates alarm by LED
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The local device can view the remote device working condition
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Provide command the remote interface Loop Back, ease line maintenance
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The transmission distance is up to 2-120Km without interruption
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AC 220V, DC-48V, DC+24V can be optional
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DC-48V/DC+24V power supply with automatic polarity detection function, when installed without distinction between positive and negative