Create Protection Group


Use the Create Protection Group dialog box to create a 1:1, 1:N, 1+1, or Y-cable protection group.

Item

Description

Name

The protection group name. The name can have up to 32 alphanumeric (a-z, A-Z, 0-9) characters. Special characters are permitted. For TL1 compatibility, do not use question marks (?), backslash (\), or double quote (") characters.

Type

Identifies the protection group type. Options are:

  • 1:1: A working electrical card is paired with a protect electrical card of the same type. If the working card fails, the traffic from the working card switches to the protect card. Note: For 1:1 protection on STM1E-12 cards, use the STM1E 1:1 FMEC.

  • 1:N: Allows a single card to protect up to five working cards (four for the DS3i_N-12 card) of the same electrical level. For example, an E1-N-14 card protects E1-N-14 cards. E1-N-14, E1-42N, and DS3i-N-12 cards use 1:N protection.

  • 1+1: A working STM-N port is paired with a protect port of the same type.

  • Y Cable (port): A protection group for TXP or MXP cards that are connected to a Y-cable. The cable splits the single client signal, sending one signal to the working transponder or muxponder card, and the second signal to the protect transponder or muxponder card. A Y-cable must be connected to the cards after the protection group is created.

  • Splitter: appears automatically when a TXPP_MR_2.5G or MXPP_MR_2.5G card is installed. These cards contain two trunk ports that provide trunk-side protection in DWDM networks.

Protect Card/Port

Displays a list of cards that you can choose to be the protect card based on the protection type. If no cards are shown, no cards are available for the protection group chosen.

Available Cards/Ports

Cards that are available for protection.

Working Cards/Ports

Cards that are available to be the working card.

Bidirectional Switching

(1+1 groups only.) If checked, both Tx and Rx signals switch to the protect port when a failure occurs to one signal. Leave unchecked if you want only the failed signal to switch to the protect port.

Revertive

If checked, traffic reverts to the working card after failure conditions remain corrected for the amount of time entered in the Reversion Time field.

Reversion Time

Sets the reversion time when Revertive is checked. The range is 0.5 to 12.0 minutes. The default is 5.0 minutes. Reversion time is the amount of time that will elapse before the traffic reverts to the working card after conditions causing the switch are cleared.

OK

Creates the protection group.

Cancel

Cancels the protection group and closes the Protection Group dialog box.

Help

Displays context-sensitive help.