How to Configure 10GE LAN Services by Using the TDX and NS2 Boards (2)?

Configuration Process

This section describes how to configure a bidirectional 10GE LAN service at stations A, B, and C.

Prerequisite

You are an NMS user with "Operator Group" authority or higher.

Tools, Equipment, and Materials

U2000/Web LCT (U2000 is recommended)

Background Information

• The port mapping mode of 10GE LAN services can be configured as Bit Transparent Mapping (11.1 G) or MAC Transparent Mapping (10.7 G). Users can select a proper mapping mode according to the service transmission requirements.
  • Bit Transparent Mapping (11.1 G) meets customer requirement for transparent bit transport of 10GE LAN signals. In the Bit Transparent Mapping (11.1 G) mode, transmission of signals are achieved by increasing the OTU frame frequency. This ensures the encoding gain and correction capability of FEC. In this mode, however, the bit rate is higher than the standard bit rate of OTU2 signals.
  • MAC Transparent Mapping (10.7 G) is specific to transparent transmission of 10GE MAC frames as required by customers. In this port mapping mode, a 10GE LAN signal is encapsulated in the GFP-F format and then mapped into a standard OTU frame. This mode supports transparent transmission of only client 10GE MAC frames. In this mode, the signals are in standard OTU2 frames. In addition, the FEC/AFEC code pattern is applicable to 10GE LAN services in this mode. Originally, the FEC/AFEC code pattern is intended for 10G SDH services.
• The port mapping modes of the upstream and downstream board must be the same.

Procedure on the U2000/Web LCT

Configure attributes of client-side ports on the TN52TDX board of station A.

1. In the NE Explorer, select the TN52TDX board that you want to configure, and then choose Configuration > WDM Interface from the Function Tree.
2. Click By Board/Port (Channel), and select Channel from the drop-down list.
3. Select the Basic Attributes tab.
4. Select the ClientLP port, the service type that needs to be set, and then double-click the corresponding parameter domain to set the following parameters.
   • Service Type: 10GE LAN
   • Port Mapping: Bit Transparent Mapping (11.1G)
5. Click Apply. In the dialog box that is displayed, click OK.
6. Click Query. Ensure that the query result is consistent with the configuration.

2, Configure attributes of client-side ports on the TN52NS2 board of station A.

a, In the NE Explorer, select the TN52NS2 board and choose Configuration > WDM Interface from the Function Tree.

b, Click By Board/Port (Channel), and then choose Channel from the drop-down list.

c, Select the Basic Attributes tab.

d, Select the ODU2LP port. Double-click the Service Mode parameter and then select ODU2 or Automatic.

e,On the Advanced Attributes tab, select the ODU2LP port and then double-click the Line Rate parameter and select Speedup Mode.

3, Repeat step 2 to configure attributes of ports on the TN52NS2 board at station B.

4, Repeat steps 1 and 2 to configure attributes of ports on the TN52TDX and TN52NS2 boards of station C.
5, Configure ODU2 services between the TN52NS2 board and the TN52TDX board at station A.
6, Click Query. Ensure that the query result is consistent with the configuration.
7, Configure ODU2 services between the TN52NS2 boards at station B.
8, Click Query. Ensure that the query result is consistent with the configuration.
9, Configure ODU2 services between the TN52NS2 board and the TN52TDX board at station C.
10,Click Query. Ensure that the query result is consistent with the configuration.

Huawei Launches the World’s First Fully Outdoor WDM Product

Carrying LTE/LTE-A CPRI services and helping to drive down network costs, making baseband unit cloud a reality
Huawei released the world’s first fully outdoor Wavelength-division multiplexing (WDM) product at a TDC and Huawei joint global WDM/OTN seminar themed ‘Simplified Network for a Better Experience’. Used for carrying LTE/LTE-A common public radio interface (CPRI) services, the product helps drive down the costs of network deployment and operations and maintenance, realizing the baseband unit cloud (BBU Cloud).
In order to reduce site leasing fees and centrally manage base station resources, carriers are beginning to adopt the BBU Cloud as the mainstream networking mode. To date, the baseband units (BBUs) have been collectively deployed in the integrated central office, and remote radio units deployed at the coverage points. The BBUs then work with the remote radio units through CPRIs to extend the service transmission distance. Usually, the CPRI services are transmitted through connected optical fibers. This type of networking mode consumes optical fiber resources and has low reliability. In addition, there are no supervisory measures for managing fibers, making maintenance difficult.
The fully outdoor Huawei WDM product replaces optical fiber connections with WDM technology. This results in a pair of optical fibers able to withstand more than 100 pairs of CPRI services. Also, the Huawei product reduces network investment and shortens service deployment time, providing a highly reliable network by using a unique delay compensation technology. The product also supports remote performance monitoring and uses a network management system to precisely locate faults. To ensure it is suitable for outdoor use it has a compatible design, supporting 614 Mbit/s to 9.8 Gbit/s (CPRI1-CPRI7) service on the client side. This specific design provides a product suitable for covering high-density and large-capacity metropolitan areas.
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It’s referenced from:
http://pr.huawei.com/en/news/hw-427431-cpri.htm#.VUw29iKUcUg