Create Protection Groups For Optical Cards; Table 3-3 Protection Types - Cisco ONS 15327 User Documentation

Creating Protection Groups
Table 3-3
Type
1:1
1+1
Unprotected
Procedure: Create Protection Groups for Optical Cards
From the CTC node view, click the Provisioning tab.
Step 1
Click the Protection subtab.
Step 2
Under Protection Groups, click Create.
Step 3
In the Create Protection Group dialog box
Step 4
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•
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Based on these selections, a list of available working ports displays under Available Entities.
Figure 3-2
From the Available Entities list, choose the port that you want to provision as the working port. This port
Step 5
will be protected by the port you selected in Protect Entity. Select the top arrow button to move it to the
Working Entities list. You cannot move more than one port.
Complete the remaining fields:
Step 6
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Cisco ONS 15327 User Documentation, R3.3
3-8
Protection Types
Cards
XTC
Any optical Pairs a working optical port with a protect optical port. Protect ports
Any
Name—Type a name for the protection group, up to 32 alphanumeric characters.
Type—Choose 1+1 as the protection type. The protection selected determines the ports that are
available to serve as protect and working ports.
Protect Entity—Choose protect port from the list. Because 1:1 protection is pre-provisioned, no
XTC cards or MICs appear under available cards.
Specifying protection attributes in the Create Protection Group dialog box
Bidirectional switching—(optical cards only) if checked, both transmit and receive channels switch
if a failure occurs to one.
Description
Default and only available protection for electrical circuits (cannot be
changed).
must match the working ports. For example, Port 1 of an OC-3 card can
only be protected by Port 1 of another OC-3 card. Cards do not need to
be in adjoining slots.
Unprotected cards can cause signal loss if a card fails or incurs a signal
error. However, because no card slots are reserved for protection,
unprotected schemes maximize the service available for use on the ONS
15327. Unprotected is the default protection type.
(Figure 3-2), enter the following:
Chapter 3 Node Setup
June 2002