255-700-585
3-41
PacketStar
®
PSAX 3-Port DS3/E3 ATM Protection Module User Guide
, Issue 1
Release 10.0.0
Chapter 3 Configuring Ports and Channels Using the Console
Configuring the N to M Protection Feature
5
Select the
Create the protection group
command. The protection
group is created and added to the N to M Protection Group Table.
Mechanism Type
Default:
Optimized
Range: N/A
Format: Predefined
Displays the type of protection group that is config-
ured.
OneToOne
Indicates that the group is configured for 1:1 protec-
tion.
Optimized
Indicates that the group is configured for N:1 protec-
tion.
Revertive Option
Default:
Non-rever-
tive
Range: N/A
Format: Predefined
Displays the switchover option selected for this pro-
tection group. Only one field value is currently
available for this field.
Non-revertive
Indicates that traffic is not transferred from the pro-
tection module back to the working module after
switchover.
[Protection Avail-
ability]
Default:
N/A
Range: 13; 15
Format: Predefined
numeric
Displays the unused protection slots that are avail-
able for protection. The usable slots are 13 and 15
for N:1 protection. Slot 15 is the only slot available
for 1:1 protection on the PSAX 1000.
[Working Failed]
Default:
N/A
Range: 03–08; 09–12
Format: Predefined
numeric
Displays the slot numbers for the failed working
modules. Slot 4 is the only slot available for 1:1 pro-
tection on the PSAX 1000.
[Protection Failed]
Default:
N/A
Range: 13, 15
Format: Predefined
numeric
Displays the slot numbers for the failed protection
modules. Slot 15 is the only slot available for 1:1
protection on the PSAX 1000.
[OOS Counter]
Default:
0
Range: N/A
Format: Predefined
numeric
Displays the number of times the selected group has
been out-of-service (OOS) since the group was acti-
vated.
[Timer]
Default:
0
Range: N/A
Format: Predefined
numeric
Displays the time in minutes, seconds, and hours
since the group was activated.
Table 3-11. N to M Protection Group Configuration Window Field Descriptions (Continued)
Field Name
Field Value
Description