Cisco MGX 8950 Specifications Page 244

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5-12
Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide
Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004
Chapter 5 Preparing SRM Cards for Communications
Establishing Redundancy Between SONET/SDH Lines with APS
The following example configures 1+1 APS line redundancy for the lower bay of a
Cisco MGX 8850 (PXM1E/PXM45) switch:
mgx8850b.1.PXM.a > addapsln 31.1.1 32.1.1 1
Step 6 Enter the cnfapsln command to configure the APS line, as follows:
mgx8850b.1.PXM.a > cnfapsln -w <workingline> -sf <SignalFaultBER> -sd <SignalDegradeBER>
-wtr <Wait To Restore> -dr <direction> -rv <revertive> -proto <protocol>
Table 5-5 describes the command parameters.
Table 5-4 APS Line Architecture Modes
Option Description
1 Selects 1+1 Bellcore GR-253 APS protocol signaling (transmission on both
working and protection lines).
2 Selects 1:1 Bellcore GR-253 APS protocol signaling (transmission on either the
working line or the protection line) for intracard APS.
Note This option is not supported in this release.
3 Selects 1+1 ITU-T G.783 AnnexB APS protocol signaling (transmission on
both working and protection lines).
4 Selects 1+1 Y-cable signaling without K1 and K2.
Note This option is not supported in this release.
5 Selects 1+1 straight cable signaling without K1 and K2.
Note This option is not supported in this release.
Table 5-5 cnfapsln Command Parameters
Option Description
-w Replace workingline with the location of the working line using the format
slot.bay.line. The possible choices are:
Cisco MGX 8830 = 7.1.1
Cisco MGX 8850 (PXM1E/PXM45), upper bay = 15.1.1
Cisco MGX 8850 (PXM1E/PXM45), lower bay = 31.1.1
-sf Replace <SignalFaultBER> with one of the following numbers to indicate the
Signal Fault Bit Error Rate (BER), in negative powers of ten:
3 = 10
-3
4 = 10
-4
5 = 10
-5
Example: -sf 3
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