显示标签为“Huawei SDH”的博文。显示所有博文
显示标签为“Huawei SDH”的博文。显示所有博文

2014年7月17日星期四

The Optix OSN 1500 Hardware Description (1) – Structure Overview



The optix OSN 1500 hardware overview
The OptiX OSN 1500 consists of a cabinet, subracks, and boards.
The OptiX OSN 1500 can be installed in an ETSI cabinet (300 mm or 600 mm deep) or a 19-inch standard cabinet. It can also be installed against the wall.
The OptiX OSN 1500 uses various boards and forms a system architecture where the SDH cross-connect matrix unit and the packet switching unit are the core. As shown in Figure 1, the system architecture of the OptiX OSN 1500 consists of the units listed in Table 1.
Figure 1 System architecture of the OptiX OSN 1500 

Table 1 Units supported by the OptiX OSN 1500
Unit
Description
Network-side service interface units
TDM mode
SDH interface unit
WDM unit
Optical amplifier unit
Packet mode
Ethernet interface unit
CES interface unit
Core units
TDM mode
SDH cross-connect matrix unit
Packet mode
Packet switching unit
User-side service interface units
TDM mode
SDH interface unit
PDH interface unit
Ethernet interface unit
DDN interface unit
ATM interface unit
RPR interface unit
SAN/Video interface unit
PCM interface unit
Packet mode
Ethernet interface unit
CES interface unit
Common units
Overhead processing unit
Synchronous timing unit
Power interface unit
Auxiliary interface unit
System control and communication unit

The Cabinet of Huawei SDH OSN 1500
The OptiX OSN 1500 can be installed in an ETSI cabinet (300 mm or 600 mm deep) or a 19-inch standard cabinet or many other cabinets.
There are 300 mm and 600 mm ETSI cabinets, of which 300 mm ETSI cabinets are available in two types: T63 cabinets and N63E cabinets. Figure 2 shows the appearance of a T63 cabinet and the appearance of an N63E cabinet.
Figure 2 Appearance of a T63 cabinet and appearance of an N63E cabinet 



600 mm ETSI cabinets are currently available in only one type: N66T cabinets. Figure 3 shows the appearance of an N66T cabinet.
Figure 3 Appearance of an N66T cabinet 
 The similar product OSN 550, the datasheet and hardware description, please visit:


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2014年7月11日星期五

The Features and Networking Application of Huawei Optix OSN 500



The features of Huawei optix OSN 500

High Availability, Low Power Consumption, and Compact Structure

The Huawei OSN OptiX OSN 500 is access layer equipment, which features high availability, low power consumption, and compact structure. The OptiX OSN 500 supports:
  • Network-level protection such as Multiprotocol Label Switching (MPLS) automatic protection switching (APS), Multiple Spanning Tree Protocol (MSTP), Ethernet ring protection switching (ERPS), link aggregation group (LAG), Multi-Link Point-to-Point Protocol (ML-PPP), linear multiplex section protection (LMSP), and link-state pass through (LPT), which significantly improves equipment reliability.
  • A maximum power consumption of 100 W, and a typical power consumption of only 35 W
  • Dimensions (H x W x D) of 44 mm x 442 mm x 220 mm, and installation in an ETSI or 19-inch cabinet, or open rack, or on a wall or desk.
Pure Packet Architecture and Multi-Service Transmission Support

The OptiX OSN 500 supports service bearing in the PTN domain. The solution improves based on the service changes that take place due to radio mobile network evolution. Therefore, this solution can meet the transmission requirements of not only 2G and 3G networks, but also the future LTE and 4G networks. Its access and transmission of ATM/Ethernet/MPLS/MPLS-TP services meet multi-service application demands.

End-to-End Service Configuration, One-Click Commissioning, and One-Click Fault Locating (TP-Assist)

Compared with legacy TDM networks, PTN networks have the following characteristics in terms of O&M:
  • Lack of overheads indicating the physical states of networks. When a fault occurs on a PTN network, no visual and fast indicator is available to locate the fault.
  • Networking diversity and complication, which require powerful O&M capabilities
To address those issues, the equipment uses the TP-Assist to provide more O&M means and simplify O&M operations for PTN networks during installation, commissioning, service configuration, fault locating, and routine maintenance. With the TP-Assist, PTN networks have the SDH-like O&M capabilities, which reduce the technical requirements for O&M personnel and improve O&M efficiency.

Hierarchical OAM

The OptiX OSN 550 supports the hierarchical OAM functions and have the SDH-like O&M capabilities. It can quickly detect and locate faults at each layer.
The hierarchical OAM functions include ETH-OAM, MPLS tunnel/PW OAM, and MPLS-TP tunnel/PW OAM. Figure 1 shows the application of hierarchical OAM.

Figure 1 Application of hierarchical OAM



The positioning and networking application of Huawei optix OSN 500 
 
The OptiX OSN 500 is a packet-oriented new-generation multi-service CPE optical transmission system, which is positioned at the access layer among Huawei's end-to-end multi-service transmission platform (MSTP) product series. This system is characterized by its low power consumption and compact structure.

The OptiX OSN 500 supports multiprotocol label switching (MPLS), MPLS-transport profile (MPLS-TP), pseudo wire emulation edge-to-edge (PWE3), Ethernet, and ATM technologies. With these technologies, a pure PTN network can be provisioned.

As the access layer equipment, the OptiX OSN 500 is networked with other OptiX OSN equipment to provide a complete solution covering the backbone layer, aggregation layer, and access layer. The complete solution meets 2G/3G/LTE base station backhaul and enterprise leased service access demands. Figure 2 illustrates the network application of the OptiX OSN 500.

Figure 2 Network application of the OptiX OSN 500


2014年3月10日星期一

How to configure clocks on OSN 3500 (1)

A clock is the basis for the normal running of NEs. You must configure clocks for all NEs prior to configuring services. In addition, you need to configure clock protection for complex networks.

Configuring clocks on OSN 3500, OSN 7500, OSN 1500, you should need to do the following steps, we will show you how to configure the NE clock source this article.
1 Configuring the NE Clock Source
2 Configuring the Clock Source Protection

How to configure the NE clock source
Before configuring services, you must configure the NE clock source and specify the priority level to ensure that correct clock tracing relationships are created for all the NEs in the network.

Prerequisites
You must be an NM user with NE operator authority or higher.

Background Information
To implement clock protection, you must configure at least two traceable clock sources for the equipment. Usually, the tributary clock is not used as the clock source for the equipment. After you set the clock sources for all the NEs, query the networkwide clock tracing status again.

Procedure

Step 1 In the NE Explorer, select an NE and choose Configuration > Clock > Physical Layer Clock > Clock Source Priority from the Function Tree.

Step 2 Click Query to query the existing clock source.
Step 3 Click Create. In the Add Clock Source dialog box, select a new clock source and click OK.
Step 4 Optional: If an external clock source is selected, select External Clock Source Mode based on the type of external clock signals. In the case 2 Mbit/s clocks, specify Synchronous Status Byte to deliver SSM messages.
Step 5 Select a clock source, and click
 to adjust its priority level. The clock sources are arranged in descending order. The clock source on top is preferred for the NE.
NOTE
Internal clock sources have the lowest priority because of their low precision.

Step 6 Click Apply. In the Operation Result dialog box, click Close.
NOTE
If the clock tracing relationship changes because of change in the clock source, the Prompt dialog box is displayed, asking you whether to refresh the clock tracing relationship. Click OK. If you select Disable Prompting Next Time, no prompt is displayed even when the clock tracing relationship changes.

Step 7 Optional: If you select the line clock as the phase-locked source, you need to specify the priority table for the phase-locked sources. Click the Priority Table for Phase-Locked Sources of 1st External Clock Output tab, and then click Create. In the dialog box that is displayed, select the phase-locked source, and click OK.

Step 8 Click Apply. In the dialog box that is displayed, click Close.
----End

2014年3月6日星期四

Configuring DNI Protection on OSN 3500

Configuring DNI Protection on OSN 3500

You can create DNI protection for the interworking nodes of two rings, and for the protection of the interworking services between two ring networks. The network can be a combination of equipment from different vendors or different protection modes. Moreover, DNI is also available to fiber and node failures.

Prerequisites
1 You must be an NM user with NE and network maintainer authority or higher.
2 NE data must be configured, and fibers must be properly created.
3 Protection subnets must be created for the two rings for which you want to create DNI
protection.
4 The DNI protection cannot be created on four-fiber rings.

Context
Figure 1 shows a sample networking of DNI protection.
Figure 1 DNI protection example

NE3 or NE5 is the master node while the NE4 or NE6 is the slave node.
Procedure
Step 1 Choose Service > SDH Protection Subnet > Create DNI from the Main Menu to display the Create Protection Subnet dialog box.

Step 2 Enter the name of the protection subnet,
for example, DNI_1.

Step 3 Double-click the icons of NE3 and NE4 on the view, and select them as the master and slave nodes respectively for the DNI protection.

NOTE
When you select DNI nodes on a protection ring, the west node is the master node and the east node is the slave node.

Step 4 Click Next to select the protection subnet to which the nodes are associated. Select the associated protection subnet from the protection subnet list: 2f-MS-SPRING_1.


Step 5 Click Finish to deliver the configuration data.

Step 6 Repeat Steps 2 through 6 to create the master node and the slave node, which are NE5 and NE6.
----End
More information about the Huawei SDH, please visit: 
http://www.huanetwork.com/huawei-mstp-price_c96

More related about the Huawei OSN series review and configuration, please visit the blog 
http://huaweitransmission.wordpress.com/

2014年3月3日星期一

Creating an MS Ring Protection Subnet

The OptiX OSN equipment supports various network level protection schemes, including the linear MSP and ring MSP. Configuring the Protection Subnet on Huawei SDH. In this article, we will learn how to Configure a Non-Protection Ring.

The MS ring protection scheme is adopted in a common ring network. Normally, it is adopted to protect a channel to transmit additional services. By running the APS protocol, it achieves the MS level protection.

Prerequisites
A You must be an NM user with NE and network maintainer authority or higher.
B The NE data must be configured, and fibers must be properly created.

Context
A The number of nodes in an MSP ring cannot exceed 16.
B When creating a protection subnet, select SDH NEs only. It is not required to select REG or WDM equipment.

The steps:
Step 1 Choose Service > SDH Protection Subnet > Create 2f_MS_SPRing from the Main Menu.
The Prompt dialog box is displayed. Click OK to display the Create Protection Subnet dialog box.

NOTE
1 To create a four-fiber bidirectional MS shared protection ring, choose Service > SDH Protection Subnet > Create 4f_MS_SPRing from the Main Menu to display the related dialog box.
2 To create a two-fiber unidirectional MS shared protection ring, choose Service > SDH Protection Subnet > Create 2f_MS_DPRing from the Main Menu to display the related dialog box.

Step 2 Enter the name of the protection subnet.
The default name is usually used, for example, 2f_MS SPRing_1.


Step 3 Select the rate of the protection subnet, for example, STM-4.

Step 4 Select Resource Sharing and Assigned by VC4 as needed.
NOTE
1 If multiple protection subnets use one port of a board, you need to check the Resource Sharing check box. If MSP Sharing is enabled, you can check the Resource Sharing check box to map a port of the board to multiple MSPs. If different protection subnets use different ports of a board, do not check this check box.

2 Select the Assigned by VC4 option when there are different VC4s belonging to different protection subnets to achieve MSP only in some channels protection. For example, for an STM-16 fiber, the VC4s
1-4 belong to an STM-4 MSP, and VC4s 5-8 belong to a PP.

3 OptiX OSN 1500/2500/3500/3500 II/7500
/7500 II do not support Transoceanic Protocol.

Step 5 Add nodes to the protection subnet to be created. Double-click the NE on the Main Topology to add it to the node list in the left-hand pane. Meanwhile, is displayed on the NE icon. If you want to cancel the selection, double-click the NE again.
 NOTE
For easy maintenance, the nodes should be added anticlockwise to the protection subnet.

Step 6 Set the attribute of the nodes. Select MSP Node in this example.

Step 7 Click Next to proceed to the Select Link screen of the wizard. Set parameters, such as Physical Link Information.

NOTE
1 If there are multiple fibers between two NEs, select them from the Physical Link Information dropdown list.
2 If Assigned by VC4 is selected, you can select the working and protection VC4 timeslots as needed.

Step 8 Click Finish to deliver the configuration data. Then the Operation Result prompt box is displayed. Click Close.

Step 9 Right-click the protection subnet and choose Protection Subnet Attributes from the shortcut menu.

Step 10 Click the Protection Subnet Maintenance tab to check whether the protocol controller starts. If not, do as follows:
1. Select all the NEs of the protection subnet.
2. Right-click and choose Start/Stop Protocol > Start from the shortcut menu.
3. Click Yes in the dialog box that is displayed twice. Ensure that the status of all the values in the Protocol Controller column is Protocol Started.

Step 11 Click the Protection Subnet Parameters tab and set the WTR time and SD Condition as needed. Click Apply to deliver the configuration. The WTR time of all NEs in the same protection subnet should be the same.

NOTE
The default value is 600s.
----End

2014年2月27日星期四

Configuring a Non-Protection Ring

How to configure a Non-Protection Ring on Huawei OSN 3500

The Huawei Transmission OptiX OSN equipment supports various network level protection schemes, including the linear MSP and ring MSP. Configuring the Protection Subnet on Huawei SDH. In this article, we will learn how to Configure a Non-Protection Ring.

When services on a ring do not need protection, you can configure a non-protection (NP) ring. All timeslots on the ring can be used to transmit services.

Prerequisites
1 You must be an NM user with NE and network maintainer authority or higher.
2 The NE data must be configured, and fibers must be properly created.

Procedure
Step 1 Choose Service > SDH Protection Subnet > Create Unprotected Ring from the Main Menu to display the Create Protection Subnet dialog box.

Step 2 Enter the name of the protection subnet.
The default name is usually used, for example, NP_Ring_1.

Step 3 Select the rate of the protection subnet,
for example, STM-4.

Step 4 Select Resource Sharing and Assigned by VC4 as needed.

NOTE
1 If multiple protection subnets use one port of a board, you need to check the Resource Sharing check box. If MSP Sharing is enabled, you can check the Resource Sharing check box to map a port of the board to multiple MSPs. If different protection subnets use different ports of a board, do not check this check box.
2 Select the Assigned by VC4 option when there are different VC4s belonging to different protection subnets to achieve MSP only in some channels protection. For example, for an STM-16 fiber, the VC4s 1-4 belong to an STM-4 MSP, and VC4s 5-8 belong to a PP.
3 OptiX OSN 1500/2500/3500/3500 II/7500 /7500 II do not support Transoceanic Protocol

Step 5 Add nodes to the protection subnet to be created. Double-click the NE on the Main Topology and add it to the node list in the left-hand pane. Meanwhile, is displayed on the NE icon. If you want to cancel the selection, double-click the NE again.


Step 6 Click Next to proceed to the Select Link screen of the wizard. Set parameters, such as Physical Link Information.


NOTE
1 If there are multiple fibers between two NEs, select them from the Physical Link Information dropdown list.
2 If Assigned by VC4 is selected, you can select the working and protection VC4 timeslots as needed.

Step 7 Click Finish to deliver the configuration data. Then the Operation Result prompt box is displayed. Click Close.
----End

2014年2月25日星期二

How to Creat a DLAG

OptiX OSN 7500 II/7500/ OSN 3500 /1500 Configuration Guide: Creating the Network, the second steps: Configuring the Equipment Level Protection. The OptiX OSN equipment supports various equipment level protection schemes, including the
TPS, 1+1 board protection, board level protection, and port protection.

You can set the main/slave relationship and revertive mode for the corresponding ports on two identical boards to provide 1+1 protection for the ports.

Prerequisites
You must be an NM user with NE operator authority or higher.

Background Information
The restrictions on the application of the DLAG function are as follows:
1 The equipment configured with a DLAG must be interconnected with the equipment that
runs the LACP protocol. If any intermediate equipment exists between the two sets of
equipment configured with DLAGs, the intermediate equipment must transparently
transmit the LACP protocol packets.
2 The main/slave relationship can be configured only for two identical boards. Specifically,
the port on the slave board is used to protect only the corresponding port on the main board.
3 One DLAG can contain a maximum of two ports, which must have the same port number.
4 The slave board cannot be configured with services (including Ethernet services, LAG,
cross-connections, LPT, and paths bound to VCTRUNK ports).
5 The bandwidth of the slot where the slave board is installed must be equal to or higher than the bandwidth of the slot where the main board is installed.
6 One Ethernet board cannot be configured with the BPS, PPS, and DLAG protection at the same time.
7 The port configured into a DLAG must be an external physical Ethernet port. In addition,
one port cannot be configured into a DLAG and a LAG at the same time.
8 During the configuration of a DLAG, the attributes of the slave port automatically become consistent with the attributes of the main port.
9 Do not perform a selfloop on an external physical port that needs to be configured into a
DLAG.
10 If Ethernet services are already created, ensure that the level of the timeslots bound to a path is consistent with the level of the configured cross-connections.
11 If Ethernet services are already created, ensure that the external physical port that needs to be configured into a DLAG does not share the same VCTRUNK port with other external physical ports.
12 One external physical port of a DLAG may correspond to multiple VCTRUNK ports; one VCTRUNK port, however, can correspond to only one external physical port of a DLAG.
Therefore, the external physical ports of different DLAGs cannot be configured into one
virtual bridge (VB), because one VCTRUNK may correspond to multiple external physical
ports in such a case.

Procedure
Step 1 In the NE Explorer, select the required NE and choose Configuration > Ethernet Distributed Link Aggregation Management from the Function Tree.

Step 2 Click New.

Step 3 In the Create Distributed Link Aggregation Group dialog box that is displayed, set the attributes and ports of the DLAG.

Step 4 Click OK.

Step 5 Create a DLAG on the Huawei SDH interconnected NE at the opposite end.
----End

Follow-up Procedure
1. Change of Revertive Mode of a DLAG
Change of Revertive Mode does not affect the services carried by the DLAG.

2. Deletion of a DLAG
l When the DLAG on the equipment at one end is deleted, the equipment at the opposite
end starts link re-negotiation. In this case, the DLAG_PROTECT_FAIL alarm is
reported but the services are not interrupted.
                                                  
l When the DLAGs on the interconnected equipment at both ends are deleted at the same

time, the services are not interrupted.

2014年2月20日星期四

Creating Inter-Board Port Protection Groups

TPS, 1+1 board protection, board level protection, and port protection. Addition: OSN 8800 the different version the configuration would be different.

Creating Inter-Board Port Protection Groups

The inter-board port protection switching (PPS) is a protection scheme based on ports between boards. This protection scheme requires an active board and a standby board. When the active board detects a link down failure of any port, or detects a board hardware failure, the crossconnect board on the equipment switches the services of one or more affected ports to the standby board. In this case, a protection switching of the entire board is not required. Compared with the board protection switching (BPS), the PPS has less impact on external systems and the network.

Prerequisites
1 You must be an NM user with NE operator authority or higher.
2 The Ethernet boards must be installed in pairs. There must be no services on the protection board.
3 The available bandwidth of the protection board is higher than or equal to the available
bandwidth of the working board. In addition, the interface boards must be of the same type
and quantity.
4 The same EMS4/EGS4 board cannot be configured with BPS and PPS simultaneously.
5 Before configuring the PPS for the Huawei SDH EMS4 board, you must set the working mode of the
corresponding interface board such as N1ETF8/N1EFF8 to 100M full-duplex.

Context
When the following prerequisites are met, the protection group can be switched automatically.
1 The equipment that is interconnected with the protection group has the same working mode as that of the protection group.
2 The transmit end and the receive end should be connected directly through optical fibers
or network cables. There should be no equipment between the two ends.
3 The working mode at the receive end should not be modified before the protection group
is deleted. Otherwise, the protection group works abnormally.

NOTE
1 After the inter-board port protection group is created, the protection port cannot be used to transmit other services.
2 Add all the ports to the port protection group when you configure an inter-board port protection group.
3 The N1EMS4, N1EGS4, and N3EGS4 boards support the inter-board port protection.
4 Configuration of the intra-board port protection is similar to the configuration of the inter-board port protection. The difference is that the configuration of the intra-board port protection is based on different ports on the same board.

Procedure
Step 1 In the NE Explorer, select an NE and choose Configuration > Port Protection from the Function Tree.
Step 2 Click New and the Create Port Protection Group dialog box is displayed.

Step 3 Enter Protection Group ID, select Working Port and Protection Port.
NOTE
If you directly click OK without specifying the Protection Group ID, the system automatically allocates the protection group ID. Click OK in the Warning dialog box.

Step 4 Click OK. A prompt dialog box is displayed, indicating that the operation is successful.

Step 5 Click Close.
----End