17-85
Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 17 DLPs A1 to A99
DLP-A88 Optical 1+1 Protection Test
• Circuit Type—Choose either Local Orderwire or Express Orderwire depending on the orderwire
path that you want to create. If regenerators are not used between ONS 15454 nodes, you can use
either local or express orderwire channels. If regenerators exist, use the express orderwire channel.
You can provision up to four ONS 15454 OC-N ports for each orderwire path.
• PCM—Choose the Pulse Code Modulation voice coding and companding standard, either Mu_Law
(North America, Japan) or A_Law (Europe). The provisioning procedures are the same for both
types of orderwire.
Caution When provisioning orderwire for ONS 15454s residing in a ring, do not provision a complete orderwire
loop. For example, a four-node ring typically has east and west ports provisioned at all four nodes.
However, to prevent orderwire loops, provision two orderwire ports (east and west) at all but one of the
ring nodes.
Step 4 Click Next.
Step 5 In the Circuit Source area, complete the following:
• Node—Choose the source node.
• Slot—Choose the source slot.
• Port—If displayed, choose the source port.
Step 6 Click Next.
Step 7 In the Circuit Destination area, complete the following:
• Node—Choose the destination node.
• Slot—Choose the destination slot.
• Port—If displayed, choose the destination port.
Step 8 Click Finish.
Step 9 Return to your originating procedure (NTP).
DLP-A88 Optical 1+1 Protection Test
Step 1 From the View menu, choose Go to Network View.
Step 2 Click the Alarms tab.
a. Verify that the alarm filter is not on. See the “DLP-A227 Disable Alarm Filtering” task on
page 19-17 as necessary.
Purpose This task verifies that a 1+1 protection group will switch traffic properly.
Tools/Equipment The test set specified by the acceptance test procedure.
Prerequisite Procedures DLP-A60 Log into CTC, page 17-66; a test circuit created as part of the
topology acceptance test.
Required/As Needed Required
Onsite/Remote Onsite
Security Level Provisioning or higher
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