Procedure 9-11: Establish low-speed 1+1 unprotected linear optical extension
Overview
Use this procedure to establish a low-speed 1+1 unprotected linear OC-3/12/48 optical extension.
Important!
This procedure assumes that the low-speed 1+1 unprotected optical linear extension is established by interconnecting a OC-3/12/48 Function/Growth slot at the host Alcatel-Lucent 1665 DMX to a far-end node or a local testhead for test access tributaries.
Ignore all alarms until the procedure is complete.
Before you begin
Prior to performing this procedure:
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Refer to Before you begin and Required equipment in this chapter.
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Refer to Laser safety and Electrostatic discharge information in Chapter 1, Safety.
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Verify that you have the necessary work instructions detailing the slots, circuit packs, ports, and network element parameters to be used for this procedure.
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Verify that the network containing the host Alcatel-Lucent 1665 DMX node is established and operating properly.
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Verify that the far-end node or local testhead being connected to the host Alcatel-Lucent 1665 DMX node has been equipped and is operating properly.
Steps
Complete the following steps to establish a low-speed 1+1 unprotected OC-3/12/48 optical extension.
1 |
Determine the network configuration using the work instructions and office records. Refer to the example in Figure 9-16, Example of 1+1 unprotected optical linear extension. Figure 9-16: Example of 1+1 unprotected optical linear extension |
2 |
Important! Two or more shelves in the same network cannot have the same TID. Using the work instructions and office records, verify that no duplicate TID settings exist between the host Alcatel-Lucent 1665 DMX and the far-end node or local testhead. If duplicate TID settings exist, determine new settings and at each site with duplicate TID settings, select Administration → Set TID from the System View menu, and enter new TID settings. Reference: Procedure 7-11: Set/change system TID |
3 |
If required, modify the network service access point (NSAP) address and/or enable Level 2 routing capabilities at the host Alcatel-Lucent 1665 DMX and the far-end node or local testhead. Reference: Procedure 7-13: Provision network layer 3 parameters |
4 |
At the host Alcatel-Lucent 1665 DMX node, verify/install the required OLIU circuit packs and/or pluggable transmission modules in the Function Group slot (A1, B1, C1, D1, or G1) being used for access according to the work instructions. Important! If the work instructions or office records do not specify OLIU types, refer to the Alcatel-Lucent 1665 Data Multiplexer (DMX) Applications and Planning Guide, 365-372-300, for a description of OLIU circuit packs/pluggable transmission modules and applications. Optical line power measurements and/or office records must be used to verify that the span length can be supported. The companion Function/Growth slot at the host Alcatel-Lucent 1665 DMX nodes may be:
Reference: |
5 |
Important! If OSI over DCC is enabled for ports, an inconsistent DCC values alarm is reported when the ports are looped back. If required at the host Alcatel-Lucent 1665 DMX node, clear the inconsistent DCC values alarm by disabling OSI over DCC for the required ports. From the System View menu, select Configuration → DCC Terminations and disable OSI Over DCC for the required DCC ports. Reference: Procedure 6-4: Provision DCC terminations |
6 |
Important! It is recommended that the port Application parameter be provisioned 1+1 at both ends of the system. For test access tributaries, the port Application parameter must be provisioned 1+1. From the System View menu at the host Alcatel-Lucent 1665 DMX node, select Configuration → Equipment. Select the required ports and provision the required port parameters according to the work instructions. Reference: Procedure 4-4: Provision OLIU circuit packs/ports for service |
7 |
From the System View menu at the host Alcatel-Lucent 1665 DMX node, select Configuration → Equipment, if not already open. Select the system (AID=system), then click Select at the bottom of the window. If required, provision the 1+1 Protection Priority (1+1 applications only) and Wait To Rename (Optimized 1+1 applications only) parameters. Click Apply if changes were made, then click Yes to the warning message to make your changes. Click Close to exit. |
8 |
At the host Alcatel-Lucent 1665 DMX node, verify that the low-speed OC-n ports were provisioned correctly using the View → Equipment command. |
9 |
Important! If OSI over DCC is enabled, the LAPD Role parameter must be provisioned differently at each end of an optical span. For example, if the LAPD Role parameter is provisioned to user-side at one end of an optical span, then the LAPD Role parameter must be provisioned network-side at the other end of the optical span. For test access tributaries, OSI over DCC and IP over DCC must be disabled. From the System View menu, select Configuration → DCC Terminations and provision the DCC terminations for the required DCC ports according to the work instructions. Result: If OSI over DCC is enabled, an inconsistent DCC values alarm will occur if the OC-n ports are looped back. Reference: Procedure 6-4: Provision DCC terminations |
10 |
From the System View menu at the host Alcatel-Lucent 1665 DMX node, select View → DCC Terminations and verify that the DCC terminations were provisioned correctly. |
11 |
At the far-end node or local testhead that is connecting to the host Alcatel-Lucent 1665 DMX node, provision the required ports, DCC terminations, synchronization, and remote NE status functions according to the work instructions. Refer to the other product's documentation to perform the required provisioning. |
12 |
Connect the optical fibers and verify the integrity of the optical span being installed. Reference: Procedure 14-4: Perform connection and verification of optical facility |
13 |
Perform end-to-end optical line test. Reference: Procedure 14-8: Perform end-to-end optical line test on Function OLIUs |
14 |
Click the Alarm List button and verify that no alarms are present. If required, clear any alarms that are present. Reference: Alcatel-Lucent 1665 Data Multiplexer (DMX) Alarm Messages and Trouble Clearing Guide, 365-372-302 |
15 |
Important! Establishing service requires that the proper slots in each terminating node be properly equipped with the correct circuit pack(s) for the type of service being established. It also requires numerous cross-connections in each of the nodes representing the path of the required service. Additionally, transmission tests should be performed to verify the continuity and quality of the established circuit. The unprotected linear optical extension is now ready for initial service or a test access session to be established. Reference:
End of steps |