# Extending SANbox2 and SANbox2-64 Port Credits

Use the Extended Credit Wizard to extend SANbox2 or SANbox2-64 credits. The Extended Credit Wizard leads you through the process to extend credits based on transmission distance requirements. The SANbox2 and SANbox2-64 extended credits wizards have their own set of unique dialogs.

1. In the SANbox2 or SANbox2-64 faceplate display, open the Port menu and select Ext Credit Wizard.

2. The Extended Distance on SANbox2 dialog explains the concepts and principles of extending port credits. Choose the port speed and distance, and click the Next button.

3. The Extended Distance Requirements dialog prompts you to specify the speed and distance requirements for each port. Choose the donor ports, and click the Next button.

4. The Designate Donor Ports dialog indicates the number of donor ports that are needed and prompts you to select them from the list of available ports. Select the available ports and click the (Add) >> button to move the port(s) into the Selected Donor Port column. Match the number of ports needed with the number of designated donor ports. Click the Next button to continue. Note: The port receiving the credits and the donor ports must reside on the same I/O blade.

5. The Verify Requested Changes dialog summarizes the extended distance requests and the selected donor ports. Click the Finish button.

6. The Apply Changes dialog redistributes credits as requested. Changes complete

Note: As credits are used, the Logged-In LEDs on the corresponding donor ports illuminate continuously. In addition, donor port Activity LEDs will reflect the same traffic as the recipient port. Donor ports whose credits are being used are unavailable to devices that are connected to them.