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Guide to create cross-connections cross-connecti ons
This guide provides steps to create cross-connections in Optix RTN 950. The crossconnection could be a drop/insert type or pass-through type. Cross-connections between IF cards and between IF card and SL1D card are pass-through cross-connections. Any cross connection that uses SP3S card is a drop/insert cross-connection. Resources used to create cross-connections are as follows: Operating System: Windows 7 Professional PC/Laptop: Lenovo T410 Browser: Internet Explorer 8 Craft Terminal application: iManager U2000 Web LCT V100R006C00SPC200 Network Element: Optix RTN 950 running on 5.76.03.32. Cards used: 2 x ISU2, 1 x SP3S Cable: LAN cable (straight, RJ45)
A hypothetical site 3001 has been considered to illustrate the steps to create crossconnections. Suppose the chain containing site 3001 is as follows:
Suppose the Optix RTN 950 IDU at site 3001 has the following slot allocation: Slot 2: SP3S (provides interface to connect to 2G and 3G equipment) Slot 3: ISU2 (provides interface to upstream direction, i.e., towards site 2001) Slot 5: ISU2 (provides interface to downstream direction, i.e., towards site 4001)
Assume detailed design document for the site 3001 shows cross-connections as shown below.
In the “NE Explorer” window, select the NE in the Object Tree pane and then in the
Function Tree pane select Configuration > Cross-Connection Configuration.
2.
Click “New” button. A new window “Create SDH Service” opens.
Page 2 of 6
Guide to create cross-connections
3.
Fill in the fields according to the detailed design for the traffic of 4001 3G and click “Apply” button.
Cross-connection for the traffic of 4001 3G.
4.
Fill in the fields according to the detailed design for the traffic of 5001 3G and click “Apply” button.
Cross-connection for the traffic of 5001 3G.
Page 3 of 6
Guide to create cross-connections
5.
Fill in the fields according to the detailed design for the traffic of 3001 2G and click “Apply” button.
Cross-connection for the traffic of 3001 2G.
6.
Fill in the fields according to the detailed design for the traffic of 5001 2G and click “Apply” button.
Cross-connection for the traffic of 5001 2G.
Page 4 of 6
Guide to create cross-connections
7.
Fill in the fields according to the detailed design for the traffic of 3001 3G and click “Apply” button.
Cross-connection for the traffic of 3001 3G.
8.
Fill in the fields according to the detailed design for the traffic of 4001 2G and click “ OK” button. (Use “OK” button to close the dialog window. If you want to continue working in the dialog window, use “Apply” button.)
Cross-connection for the traffic of 4001 2G.
Page 5 of 6
Guide to create cross-connections
9.
The list of cross-connections created above is displayed in the NE Explorer. Note that the third row in the cross-connection list is for two cross-connections created in steps 3 and 4 above.
Note:
1.
Creation of cross-connection fails if the time-slot is already used.
2.
Creation of cross-connection fails if the time-slot selected to create cross-connection is larger than guaranteed E1 capacity defined in the IF/ODU page. (S ee red box in the figure below)
