Item
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Description
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Name
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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.
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Type
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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.
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Protect Card/Port
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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.
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Available Cards/Ports
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Cards that are available for protection.
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Working Cards/Ports
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Cards that are available to be the working card.
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Bidirectional Switching
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(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.
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Revertive
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If checked, traffic reverts to the working card after failure conditions remain corrected for the amount of time entered in the Reversion Time field.
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Reversion Time
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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.
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OK
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Creates the protection group.
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Cancel
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Cancels the protection group and closes the Protection Group dialog box.
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Help
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Displays context-sensitive help.
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