Zte ZXA10 C300, Руководство по настройке

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Chapter 19 Clock Configuration
Table 19-3 Configuration Data of the External Output Clock
Item Data
Clock source port 1/20/1
Priority 2
Clock quality SEC
Clock mode BITS
Clock output port 1/20/3 (default)
Steps
1. Query the current clock source.
ZXAN(config)#show clock source active
interface :1/10/0
type :internal
ssm-ql :qlsec
status :free_run
warning :none
operation :none
2. In clock configuration mode, configure the clock source.
ZXAN(config)#clock
ZXAN(config-clock)#source 1/20/1 type external priority 2
Note:
If multiple clock sources are configured, the system will select one clock source
according to the following criteria:
l
The clock status is proper.
l
The clock priority is the highest.
l The clock quality is the best.
l
The clock is configured earlier.
Priority range is defined from 1 to 255. 1 is defined as the highest priority.
3. Configure the quality and mode of the external input clock.
ZXAN(config-clock)#external-input 1/20/1 quality sec mode bits
4. Configure the SSM value of the clock source.
ZXAN(config-clock)#ssm-set 1/20/1 qlsec
5. Configure the external output clock.
ZXAN(config-clock)#external-output ssmThreshold sec mode bits
6. (Optional) Query the clock configuration.
19-5
SJ-20130520164529-007|2013-06-30 (R1.0) ZTE Proprietary and Confidential