otd103102 optix imanager t2000v1 basic terminology issue1.01
TRANSCRIPT
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Internal
OTD103102 OptiX iManager
T2000V1 Basic Terminology
ISSUE 1.01
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Review
The main contents
Some basic concepts before use T2000
The steps of configure data in T2000
Some concepts during configure data.
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Upon completion of this course, you will be able to:
Create NE in different ways Know basic steps to configure data
Clear some important concepts
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Chapter 1 Overview
Some relevant concepts
Create and configure NEs
Configure clock and order wire
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Overview
The steps of configure basic data include following items:
Create and configure NE
Configure clock
Configure order wire
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ID and extended IDID and extended ID
ID and extended ID
ID is decided by physical switch in SCC board.
ID is a unique identifier in a network, the data can find corresponding
NE through unique ID.
Extended ID can be set by software.
Usually the extended ID is set to 9 default.
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NE user and NM user
NE user
It refers to the user defined at NE, used to assign NE operation
authority so as to control access to NE and configure it.
NE user has such levels as default level, operation level,
maintenance level, system level with different operation authority.
NE user can be classified into LCT NE user, EMS NE user, CMD NE
user and General NE user, which are applicable to get access to NE
by T2000-LCT, T2000, Navigator respectively.
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NE user and NM userNE user and NM user
NM user
It refers to the user of the T2000 client, and the user and his/her
password define the corresponding authority of operation and
management of the NM.
User is usually added in a user group, and enjoys the operation
authority of the user group.
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NE user and NM user
NM user
The default user of the T2000 is admin, which is defaulted a
member of the administrator group, but enjoys more authorities,
called additional authority, than the administrator group, so admin is
also called super user. Super user admin can not be added in anyother user groups and its authority can not be changed.
When using the NM for the first time, the system administrator logs
in as "admin" with the default password. For the sake of security,
the administrator should change the password immediately and
create a new user as required.
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NE and gateway NE
Gateway NE refers to the NE that communicates with the NMS via
Ethernet or serial port line.
The non-gateway NE communicates with the gateway NE via ECC
and communicates with the NMS via the gateway NE.
The gateway NE is a communication route that T2000 must pass
through when managing the entire network.
Gateway NE communicates with NMS by TCP/IP.
There is least a gateway in a NM, but many gateways can be exist at
the same time.
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Virtual NE
Virtual NE means the equipment can not be managed by T2000,
maybe it is a or several NEs, even a subnet that other company
produced.
The data configuration process is the same with ordinary NEs.
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Create NE
Pre-configuration
the configuration data is only stored at the NM, so it will return failure
if you query the data to a pre-configuration NE.
When this option is selected, the configuration will not be sent to NE,
but save at the NM.
For the pre-configuration data that have been debugged in the
T2000, the configuration data is usually downloaded to the NE and
executed.
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Create NE
Subrack NE and Optical NE
Optical Network Element (ONE) is the transport entity that
implements the NE functions (terminal multiplexing, add/drop
multiplexing, cross-connection and regeneration) in a DWDM layer
network. The types of ONEs include OTM, OADM, OLA, REG andOXC.
ONE only exits in DWDM network, in SDH network, the basic entity
is subrack network element.
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Create NE
The ways to create NE
Manual configuration
Configure data step by step, in this way the original data will be
initialized and make new data by the operator to the NE.
so if the data is different, the traffics will be broken
Upload
Report all of the configuration data of the NE to the NM and
overwrite the configuration data saved in the NE layer on the
NM side.
The process is from NE layer to NM layer.
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Create NE
The ways to create NE
Copy NE data
You can use this way to create NE data quickly when the total
net-work have many NE that have the same data.
This configuration way will be faster than other two ways, but it is
demanded that one NE had already configured, so that it can be
as data source.
Notes usually we use upload in maintenance and use manual
configuration in lab.
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Create NE
Physical slot
physical slot means all the boards now in the slots of sub-rack in
fact.
Logical slot
logical slot lie in the database in the SCC board.
It is not the real boards in the sub-rack currently. Maybe the
logical slot are consistency with the current boards in the sub-
rack, may they are not consistency.
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Create NE
Checkout
The step should be implemented when configuration is finished
Checkout is just to check the foregoing configurations are good or
not.
If everything is ok, then configuration is success. the NE is going into
running state.
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Order Wire
Set the order wire before running the equipment, including the following
items: call waiting time, dialing mode, conference call number, 1~3-
channel order wire phone number and order wire phone port
Call waiting time The maximum time that the network look for the
node after the user dial the order wire. Usually it is set to value 9when the network is very large, and it is set to value 5 when the
network is small.
Dialing modeOnly have two modes: pulse and tone, and pulse is
the old technology, now we usually use tone way.
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Clock Configuration
Two ways
Configure clock no protection the steps
Configure the clock source priority
Configure the clock source restoration parameter
Configure clock protection the steps
Configure the clock source priority
Configure the clock source restoration parameter
Configure clock protection subnet.
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Clock Configuration
Configure clock protection subnet
Set clock subnet ID
Start SSM protocol
Set clock ID to the relevant clock source.
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Clock Configuration
Some concepts
Clock ID
The lower 4 bits of S1 byte is set to quality of clock , the higher 4 bits
of S1 byte are idle, so Huawei company define the 4 bits to means
different clock ID, that can avoid the clock traced by itself.
SSM protocol
To start the SSM protocol means to perform clock switching
according to the clock quality.
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Clock Configuration
Some concepts
Standard SSM protocol
Dont use clock ID to implement clock protection function, cant
avoided clock traced by itself.
Extended SSM protocol
Use clock ID to implement clock protection function, can avoided
clock traced by itself.
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Clock Configuration
Some concepts
SSM output control
You can decide whether to output SSM or not as required to avoid
that equipments of different clock subnets affect one another at the
boundary between clock networks.
Clock source switching condition
The clock source switching condition is for deciding whether to
switch the clock source when the equipment fails. After setting a
clock source switching condition, when the equipment detects anydescribed condition, clock source switching occurs.
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Questions
What is the difference between physical slot and logic slot?
What can we do to pre-configuration NE?
Tell the difference of manual configuration and upload.
Describe the steps of clock subnet protection.
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Summary
We had studied the following contents:
NE and gateway NE
NM user and NE user
Manual configuration, upload, copy NE data.
Pre-configuration NE
Physical slot and logical slot.
Clock protection subnet and clock configuration.
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