Max-Rtt - H3C S7500E Series Command Reference Manual

Parameters
interface-type: Port type. It is OLT
interface-number: OLT port number.
Description
Use the group member command to add an OLT port to a fiber backup group (the group must exist).
Use the undo group member command to remove an OLT port from a fiber backup group.
Related commands: fiber-backup group.
Examples
# In fiber backup group view, add OLT 3/0/1 to fiber backup group 1.
<Sysname> system-view
[Sysname] ftth
[Sysname-ftth] fiber-backup group 1
Create group ID successfully.
[Sysname-fiber-group1] group member olt3/0/1

max-rtt

Syntax
max-rtt value
undo max-rtt
View
OLT port view
Default Level
3: Manage level
Parameters
max-rtt value: Maximum round trip time (RTT) to be set. This argument ranges from 1000 to 25000 (in
TQs). The system default is 13524 TQs.
Description
Use the max-rtt command to set the maximum RTT from the ONU to the OLT.
Configure the maximum RTT from the ONU to the OLT only when necessary. The relationship
between the RTT and the distance (in meters) from the OLT to the ONU can be expressed by the
formula: RTT = (Distance + 157)/1.6393.
The max-rtt command is applicable to unregistered ONUs only.
For details about RTT, refer the related sections in the operation manual.
Examples
# Set the maximum RTT of the ONU connected to OLT 3/0/1 to 25000 TQ.
<Sysname> system-view
[Sysname] interface olt 3/0/1
[Sysname-Olt3/0/1] max-rtt 25000
2-23