3Com S7906E Command Reference Manual page 314

View
Any view
Default Level
2: System level
Parameters
interface-type: Port type, which can be OLT or ONU.
interface-number: OLT/ONU port number.
As for the interface-number argument, the format of LPU slot number/sub-LPU slot number/OLT
port number is used for OLT ports; and the format of LPU slot number/sub-LPU slot number/OLT
port number:ONU port number is used for ONU ports.
To create an ONU port, use the using onu command in OLT port view.
Description
Use the display epon-capability interface command to display OLT or ONU capability information.
If interface-type interface-number identifies an OLT port, the following information about the OLT is
displayed: automatic gain control (AGC) time and clock data recovery (CDR) time.
If interface-type interface-number identifies an ONU port, the following information about the ONU
is displayed: laser on time, laser off time, and grant FIFO deep.
Before displaying the version information about an ONU, make sure the ONU is bound and is in Up
state (that is, the ONU is online). Refer to the bind onuid command for more.
Before displaying the version information about an OLT, make sure the OLT is in Up state.
Because location distance and external conditions of each ONU are different, the received signal
maybe strong or weak. AGC time is the time used by the OLT to automatically restore the strength
of the received signal to an acceptable level.
CDR time is the time used by the OLT to synchronize the phase and frequency of received signals.
ONU laser on time is the interval between when the ONU laser is turned on and when it becomes
stable. ONU laser off time is the interval between when the ONU laser is turned off and when it
becomes stable.
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