External Clock Output Timeslot - Huawei OptiX OSN 550 Configuration Manual

OptiX OSN 550 Multi-Service CPE Optical Transmission
System
Configuration Guide
Values
Value Range
2 MHz, 2 Mbit/s
The following table lists the description of each value.
Value
2 MHz
2 Mbit/s
Configuration Guidelines
The input mode of the two channels of external clock signals can be set to 2 MHz or 2 Mbit/s.
The default input mode is 2 Mbit/s. In actual application, make sure that the output mode matches
the input mode on the receive end.
Relationship with Other Parameters
None.
Related Information
None.

7.114 External Clock Output Timeslot

Description
The External Clock Output Timeslot parameter is used to set the output timeslot for the S1
byte of the external clock source. The external clock source transmits the S1 overhead byte
through certain timeslots. After starting the SSM protocol, make sure that the timeslot for
receiving the S1 byte is consistent with the timeslot for transmitting the S1 byte so that the S1
byte can be received correctly.
Impact on the System
When the SSM protocol is enabled on the NEs, setting the S1 byte may result in the switching
of the clock sources. This may bring bit errors to the service when clock jitters occur.
Issue 02 (2011-06-30)
Default Value
2 Mbit/s
Description
Indicates that the output mode of the external clock source is
set to 2 MHz. That is, the external clock source outputs 2 MHz
clock signals.
Indicates that the output mode of the external clock source is
set to 2 Mbit/s.
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7 List of Parameters
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