MX2820 System Manual
7-102 61186003L1-1D
PROCEDURE
1. Connect to the Host SCU craft interface port. For details, refer to DLP-715.
2. Log on to the system. For details, refer to DLP-716.
3. Establish a Host system, if not previously done.
a. Access the MX2820 Main Menu of the system desired as the Host.
b. From the Main Menu, select PROVISIONING, and press ENTER.
c. From the Provisioning menu, select GENERAL, and press ENTER.
d. From the General menu, select MANAGEMENT PORTS, and press ENTER.
e. From the Management Ports menu, select INTERBANK COMM. MODE.
f. Select HOST, and press ENTER.
4. From the MX2820 Main Menu, select AUXILIARY SHELF ACCESS, and press ENTER.
a. Check the list of shelves presented by the SCU to ensure that all shelves connected on
the RS-485 bus appear. Each shelf should appear listed by CLLI code and TIRKS ID
number. An asterisk (*) should distinguish the shelf containing the Host SCU.
b. If a shelf does not appear on the list, check the following items in the order listed until
the problem is corrected:
• Verify the RS-485 bus wiring between shelves. Refer to “DLP-712, Make RS-485 Bus
Connections Between Shelves” for additional information.
• Verify that the shelf is powered and that the SCU is active.
• Verify that the shelf is properly provisioned with a CLLI code and TIRKS ID number.
• Verify that each shelf in the chain has a unique Target ID number.
• Verify that each shelf has the RS-485 bus enabled.
• Verify that only one SCU in the chain is configured for Host mode.
5. Perform a Bank Connect to the Client shelf.
Pick the first Client shelf from the list. Do not attempt to select the Host shelf from the list
since this connection is not allowed. Type the number next to the Client shelf, and press
ENTER to perform a bank connect. The Main Menu for the Client shelf should appear. If the
Main Menu appears, then communication between the Host SCU and Client SCU works
properly. If communication fails, check the items listed in
step 4.
6. Disconnect from the Client shelf.
Press ESC to return to the Client shelf’s Main Menu, select the LOGOFF option, and press
ENTER. The bank selection menu of the Host SCU should appear.
7. Repeat the Bank Connect for each Client shelf.
Repeat step 5 and step 6 for each Client shelf in the chain.
8. Return to the document that referenced this procedure and continue. Otherwise, this
procedure is complete.
FOLLOW-UP PROCEDURES
Once this procedure is complete, return to the procedure which called out this DLP and
continue with the tasks indicated.
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