16E1+4GE PDH Fiber Optic Multiplexer
Brellet Telecom's PDH Fiber Optic Multiplexer is the point-to-point optical transmission device developed on the basis of VLSI. The device provides 16*E1 interface, 4*10/100/1000M Ethernet interface (Wire Speed 1000M) and 2 expansion interfaces. The 4* Ethernet interface is switch interface which can support VLAN. It is very flexible. It has alarm function. It is reliable, 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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Ethernet interface rate is 10/100/1000M, half/full duplex Auto-Nego
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4*Ethernet interface is switch interface which can support VLAN and 4 channel logical isolation
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Provide Console manage interface (RS232)
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Provide two fiber interface 1+1 protect (APS) function
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E1 interface complies with G.703, adopts digital clock recovery and smooth phase-lock technology
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Use standard 2 wire telephone (non-telephone handles) set as engineering order-wire hotline (optional)
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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 2 expansion interface, you can extend 1~2 Channel asynchronous data, such as RS232/RS485/RS422/Manchester code
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Provide command the remote interface Loop Back, support local E1 Loop Back function, support E1 LOS and AIS alarm, ease line maintenance
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The transmission distance is up to 2-100Km without interruption
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Support SNMP manager (SNMP agent inside)
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AC 220V, DC-48V, DC24V can be optional
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DC-48V/DC24V power supply polarity detection function, Polarity-Free