Faq-Why We Can Not Get The Same Value Of Snr Margin Use The Same Line-Profile In The Same Physical-Line - Huawei MA5600 Manual

MSAN UA5000 Cases
Fault Type: Others
Keywords: Save configuration
Permission Level: 03Equipment Users Permission
Phenomenon Descr
Q:
iption:
why configurations are lost when using "save configuration " command at SmartAX MA5600?
Alarm Informatio
Null.
n:
Cause Analysis: Null.
Handling Proces
A :
s:
After entering this command and resetting the DSLAM; all configuration will be lost where the DSLAM will not consider the n
Active configuration
"Save Configuration" command is used to save the current system configuration file. When you need to save the configurati
Suggestions and
1- The configurated data is saved in the configuration file in the command line form, including the data type, value of parame
Summary:
2 - Before the progress for saving is complete, do not power off or reset the system by force. Otherwise the data saved in th
3 - Run the "active configuration" command to activate the saved configuration file. The configuration file takes effect after th
4 - Run the "display current-configuration" command to query the configuration information.
2.12 FAQ-why we can not get the same value of SNR margin use the same line-profile in the
same physical-line.
Rate VS SNR
Signal
¹Power
ADS L
S NR
ADS L
B it dis tribute
ADS L
256 tones
（SNR margin）：Look at the area was leave over that is SNR margin
value, their areas are different in both protocol, ADSL and ADSL2+.
The area of SNR margin in ADSL2+ is bigger than ADSL's obviously.
FAQ-why we can not get the same value of SNR margin use the same line-profile in
Title:
the same physical-line.
ID: SE0000321912
Information
Troubleshooting Cases
Type :
Update Time: 2008-03-29 15:51:47
Views: 16
Confidential Information of Huawei. No Spreading without Permission
we can s ee the proportion of blue
one is equal to the red one. That
ADS L
means you allocate the s ame line-
ADS L2+
rate in ADS L and ADS L2+.
ADS L2+
512 tones
Quality Level:
Chapter 2 MA5600T (IP DSLAM) Cases
ADSL2+
noise margin
ADSL2+
bit distribute
tone
C
35