2-11
CNI Bit error rate(in 1e-9 unit): 0
# Display the statistics of an ONU port.
<Sysname> display epon statistics interface onu 3/0/1:1
ONU statistics:
Bit error rate(in 1e-9 unit) : 0
Frame error rate(in 1e-9 unit): 0
Table 2-7 display epon statistics interface command output description
Field Description
PON Bit error rate(in 1e-9 unit) PON Bit error rate
CNI Bit error rate(in 1e-9 unit)
Core Network Interface (CNI) Bit error rate. The CNI is the interface
between the OLT chip and switching chip of the S7500E switch.
display fiber-backup group
Syntax
display fiber-backup group { all | group-number }
View
Any view
Default Level
2: System level
Parameters
all: Specifies all the fiber backup groups.
group-number: Fiber backup group number, in the range 1 to 80.
Description
Use the display fiber-backup group command to display the information of the member OLT ports,
their roles and states in the specified or all fiber backup groups.
Examples
# Display the information of the member OLT ports, their roles and states in fiber backup group 1.
<Sysname> display fiber-backup group 1
fiber backup group 1 information:
Member Role State
----------------------------------
Olt3/0/3 MASTER ACTIVE
Olt3/0/4 SLAVE READY
Table 2-8 display fiber-backup group command output description
Field Description
fiber backup group 1 information: Information about fiber backup group 1
Member Member port information of the fiber backup group
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