Specifications

3-20
Cisco MGX 8850 (PXM45) and MGX 8950 Software Configuration Guide
Release 3, Part Number 78-14788-01 Rev. C0, January 2004
Chapter 3 Preparing AXSM Cards and Lines for Communication
Establishing Redundancy Between Two Lines with APS
Replace <archmode> with the option number that selects the automatic protection switching (APS)
architecture mode you want to use. Table 3-6 shows the option numbers and the architecture modes they
select.
In the following example, 1+1 APS redundancy is assigned to two lines on the same card:
pop20one.9.AXSM.a > addapsln 9.2.1 9.2.2 1
Step 4 To display a list of all the APS lines on an AXSM card, enter the dspapslns command on the active
AXSM card.
Step 5 To display information on a specific APS line, enter the dspapsln <slot.bay.line> command on the active
AXSM card.
For information on managing redundant APS lines, see the “Managing Redundant APS Lines” section
in Chapter 7, “Switch Operating Procedures.”
Table 3-6 APS Line Architecture Modes
Option Description
1 Selects 1+1 signaling (transmission on both working and protect lines) for intracard
APS.
2 Selects 1:1 signaling (transmission on either the working line or the protect line) for
intracard APS.
Note Intracard APS 1:1 is not supported on AXSM-8-155/B, AXSM-4-622/B, and
AXSM-1-2488/B cards.
3 Selects G.783, Annex B 1+1 signaling. This option is not supported in this release.
4 Selects y cable 1+1 signaling without k1 and k2.
5 Selects y cable 1+1 signaling without k1 and k2.