Figure 7-69. Protection Provisioning Menu - ADTRAN MX2820 System Manual

6. From the Clock Provisioning Menu screen, select
Figure 7-69 shows the Protection Provisioning menu.
Shelf: 1
Unacknowledged Alarms: NONE
Selection:
7. From the Protection Provisioning menu, select
Input the letter
without performing a manual protection switch, and press
8. From the Protection Provisioning menu, select
.
R
EFERENCE
This allows the reference to be switched from Primary to Secondary (and back).
• The Primary reference is the CLKA input.
• The Secondary reference is the CLKB input.
Input the letter
Y
letter to escape without performing a manual protection switch, and press
N
9. From the Protection Provisioning menu, select
This parameter determines the number of seconds that must pass before another module
switch is allowed. The default is 10 seconds. Input a value from 0 to 3600 to set the
Minimum Switch Period (in seconds), and press
10. From the Protection Provisioning menu, select
This parameter determines the number of times per hour the module is allowed to switch
between CLK modules. If in an hour, the modules switch more than the Maximum Switch
Threshold allows, the module issues a trap and stops switching modules for the next 24
hours. The default setting is three times per hour. Input a value from 1 to 24 to set the
Maximum Switch Threshold, and press
61186003L1-1D
Section 7, User Interface Guide - DLP-744, Provision Clock Module Protection
Slot: CLK A ADTRAN MX2820 System
Protection Provisioning
1 - Perform Manual Card Switch
2 - Perform Manual Switch From Secondary Reference
3 - Automatic Clock Card Switch
4 - Automatic Clock Reference Switch
5 - Minimum Switching Period (sec.)
6 - Maximum Switch Threshold
7 - Clear Number of Switches

Figure 7-69. Protection Provisioning Menu

to perform manual protection switch, or input the letter
Y
to perform manual protection switch of the reference timing, or input the
P
ROTECTION
TID:
: Enable
: Enable
: 10
: 3
: 0
'?' - System Help Screen
P M
ERFORM ANUAL
ENTER
P M
ERFORM ANUAL
M S
INIMUM WITCHING
.
ENTER
M S
AXIMUM WITCH
.
ENTER
and press .
E
NTER
03/22/05 11:46
HTVLALEXD16
.
S
WITCH
to escape
N
.
S P
WITCH FROM RIMARY
ENTER
.
P
ERIOD
.
T
HRESHOLD
.
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