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Log Reference

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of logs on the product.
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CLOCK/4/TOD_LOS:The BITS[ULONG] 1pps-tod signal is loss.


The 1pps-tod signal from the BITS input interface is lost.


Parameter Name Parameter Meaning


Indicates the number of the BITS interface:
  • 0: BITS0 input interface
  • 1: BITS1 input interface

Possible Causes

1. The device where the BITS interface resides is faulty.

2. The cable connection between the BITS interface and the local device is abnormal.


  1. Run the display clock { bits0 | bits1 } command to check whether the BITS interface is working normally.
  2. Check whether the cable connection is normal.
  3. Check whether the BITS interface sends 1pps-tod signal.
  4. If the preceding information is correct, Collect log information and configuration information, and then contact technical support personnel.You can collect diagnostic information using the display diagnostic-information command.
Updated: 2019-08-21

Document ID: EDOC1000142069

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