Table 5-27. Clock Module Protection Modes; Table 5-28. Clock Module Communication State; Table 5-29. Slot Clock A/B State; Protection - ADTRAN MX2820 System Manual

MX2820 System Manual

Protection

This field indicates the current protection mode for the Clock module.
possible state conditions.
Mode
Circuit
None

Card Comm

This field indicates the current state of the communication link between the two Clock
modules. Table 5-28
State
OK
Failure
Non-Redundant

Slot CLK A/Slot CLK B Status

This field indicates the current status of the two Clock Modules.
possible states.
State
Not Installed
Standby
Active
5-36

Table 5-27. Clock Module Protection Modes

Description
The unit is in Circuit Protection mode and everything is functioning.
One Clock Module is installed, or the unit is in Circuit Protection
mode, and the secondary card has failed.
provides the possible conditions.

Table 5-28. Clock Module Communication State

Description
This condition indicates the cards are communicating.
This condition indicates the cards are not able to communicate with
each other.
This condition indicates only one card is installed.

Table 5-29. Slot Clock A/B State

Description
A Clock Module is not installed in this slot.
The Clock Module is ready, but is currently acting as a backup unit.
The Clock Module is acting as the primary unit.
Table 5-27 provides the
Table 5-29 provides the
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