The N+1 protection is to use a standby channel to protect the services on N active channels. When the services on the active channel are normal, the standby channel can transmit extra services.
In the NE Explorer, click the NE and choose from the Function Tree.
Shortcut Menu |
Description |
|---|---|
Clear |
Clears switching for the selected board. |
Force to Protection |
Forces the service to switch from the working board to the protection board. This switching is performed regardless of the protection board state, unless the protection board is satisfying a higher priority bridging request. |
Manual to Protection |
Performs manual switching from the working board to the protection board. If the protection board is normal, the switching takes place. If the protection board fails or must satisfy a switching request of higher priority, the switching does not take place. |
Lockout of Protection |
The switching request for the board is denied, but the reversion of switching is allowed. |
Exercise |
This switch is used to test whether the switching protocol works normally. Actually, no switching occurs and the service will not be affected. |
Button |
Description |
|---|---|
Start Protocol |
Enables the switching control protocol. |
Stop Protocol |
Disables the switching control protocol. |
Query Switch Status |
Queries the status of a protection group. |
Field |
Value |
Description |
|---|---|---|
WTR Time (s) |
300 to 720 Default: 600 |
Sets the wait-to-restore (WTR) time. |
SD Switching |
Enabled, Disabled Default: Enabled |
Enables or disables the SD switching function of the N+1 protection. |
Select Mapping Direction |
Working Unit, Protection Unit |
Selects the mapping direction of the N+1 protection. |
Available Boards |
slot number-board name-port number |
Selects the mapping board in the mapping direction. The line board, the IFA, IFB and IFX boards are supported. |
Mapped Boards |
slot number-board name-port number |
Displays the selected mapped board. |
Field |
Value |
Description |
|---|---|---|
Protection Group ID |
For example: 1 |
Displays the ID of the protection group. |
WTR Time (s) |
300 to 720 Default: 600 |
Sets the wait-to-restore (WTR) time. |
SD Switching |
Enabled, Disabled Default: Enabled |
Enables or disables the SD switching function of the N+1 protection. |
Protocol Status |
Unstarted, Already Started, Being Started, Unknown |
Displays the state of the switching control protocol. |
Unit Type |
For example: Protection Unit |
Displays the protection unit. |
Line-Side Port |
slot number-board name-port number(port name) |
Displays the situation of the working or protection board. |
Switching Status |
Lockout, Forced switching, SD switching, SF switching, Manual switching, Wait to restore, exercise switching, Non-revertive request and Normal, Unknown |
Displays the switching status. |
Protected Unit |
slot number-board name-port number |
Displays the protected unit. |
Remote End/Local End |
Remote, Local End |
Indicates the remote or local end. |