WebEML User Manual Upgrade and downgrade protection
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See the Release Notice for R6.1.0 for μSD card part numbers, and the
9500 MPR Hardware Installation and Replacement Manual for the
procedure to replace flash cards.
2. On the CT settings window, enable the spare Core card in slot 2.
3. Install the spare Core card in spare slot 2.
4. Connect the necessary cables to spare the card that you installed in step 3.
5. Wait 30 minutes for the Core cards to align and for the Status LED on the spare
card to turn yellow.
6. Provision the Equipment Protection Schemes parameter; see Provision
protection scheme parameters.
To downgrade Core 1+1 EPS to 1+0 not protected configuration
1. Verify that the main Core card is active. If needed, perform a forced switch to the
main Core card; see Perform protection switching.
2. On the CT settings window, set the spare Core card equipment type to Empty.
3. Disconnect the cables from the spare Core card.
4. Remove the spare Core card from slot 2.
To upgrade PDH 1+0 to 1+1 EPS protection configuration
1. Install spare P32E1DS1/P2E3DS3 card in spare slot 4, 6, or 8 associated with
main P32E1DS1/P2E3DS3 card. An Unconfigured Equipment Present alarm
displays.
2. Connect the DS1 or DS3 cables to spare the P32E1DS1/P2E3DS3 card that you
installed in step 1.
3. On CT settings window, enable the spare P32E1DS1/P2E3DS3 card that you
installed in step 1.
4. On CT settings window, configure the P32E1DS1/P2E3DS3 cards for 1+1 EPS
protection type.
5. Reprovision all of the TDM2ETH and TDM2TDM cross-connections MAC
address from ‘unicast’ to ‘multicast’ at the remote NEs. For more information
about how to configure cross-connections, see Provision cross connections.
Caution: If Core protection is set up with a version before V1.0.14, the card may
become corrupted after a protection switch.
Note: To complete the upgrade to 1+1 EPS protection, all TDM2ETH and TDM2TDM
cross-connections MAC address affected by this system upgrade, must be changed from
‘unicast’ to ‘multicast’ at the remote NEs.
Release 7.0.0 3DB 19286 ACAA Issue 01
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