Raisecom RCMS 2811 Manuel d'utilisateur Page 23

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OPCOM3107
Construction & Features
¾ OPCOM3105-155 is compact 1U standalone STM-1 ADM and TM
¾ Provide flexibility E1/Ethernet services access
¾ Uplink: two STM-1 optical interfaces, can be configured to 2 independent line or 1+1 mode
¾ Downlink: fixed 8/16E1 and 4ETH interfaces and one expansion slot
¾Fixed to provide 3 Fast-Ethernet interface (over 1
st
VCG) with build-in Layer 2 switching
function, and 1 independent Ethernet interface (over 2
nd
VCG)
¾189x189 TU-12 crossover-connection function
¾1+1 lower order path protection, the protect switching time is within 50ms
¾The Ethernet supports GFP, LAPS encapsulation, along with VCG/LCAS
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