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Control board
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SCUB
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Super Control Unit Board
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System control and management unit
Local and remote maintenance
Active/standby switchover
GE channel to the service board
Environmental monitoring parameters
Four SFP GE ports for upstream transmission or cascading
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SCUF
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Super Control Unit Board
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System control and management unit
Local and remote maintenance
Active/standby switchover
GE channel to the service board
Environmental monitoring parameters
Four SFP GE ports for upstream transmission or cascading
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SCUH
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Super Control Unit Board
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System control and management unit
Local and remote maintenance
Active/standby switchover
Load sharing
Ethernet synchronization
Built-in 2GB CF card
10GE/20GE channel to the service board
Environmental monitoring parameters
Supports the function of reading the temperature and the high-temperature alarm.
Four SFP 10GE ports for upstream transmission or cascading
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SCUN
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Super Control Unit Board
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System control and management unit
Local and remote maintenance
Active/standby switchover
Load sharing (supported in V800R011C00 and later versions)
Centric management for GE remote extended subracks in FTTB or FTTC scenarios(supported in V800R012C00 and later versions)
GE or 10GE channel to the service board
Environmental monitoring parameters
Four SFP GE ports for upstream transmission or cascading
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MCUD
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Mini Control Unit Board
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System control and management unit
Local and remote maintenance
Active/standby switchover
Load sharing
Synchronization with the Ethernet clock
GE or 10GE channel to the service board
Environmental monitoring parameters
Seven alarm digital inputs (DIs) and one alarm digital output (DO)
Temperature reading and high temperature alarming
Monitoring and management of the fan tray
Four SFP GE ports for upstream transmission or cascading
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MCUD1
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Mini Control Unit Board
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System control and management unit
Local and remote maintenance
Active/standby switchover
Load sharing
Synchronous Ethernet
GE or 10GE channel to the service board
Environmental monitoring parameters
Seven inputs of alarm digital parameters and one output of alarm digital parameters
Temperature reading and high-temperature alarm
Fan tray monitoring and management
Two SFP+ 10GE ports and two SFP GE ports for upstream transmission or cascading
One input of BITS clock signals and one input of BITS clock signals
One input of 1PPS+TOD time signals and one output of 1PPS+TOD time signals
Stratum-3 clock
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