UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies Caterpillar

Illustration 1	g00806124
External Modem

The following External Modem is available for use by the UPS: the 3 Com U.S. Robotics Courier V Everything 56K External modem.

Specifications for the Modem

Refer to the following list for some of the specifications of the modem:

• Download speed of 56Kbps.

• ITU V.90 technology that is an industry standard

• Compatible with all major modem protocols

• Carrier Loss Redial allows the modem to redial automatically. The modem will automatically dial the last number again if a carrier loss is detected.

• "Remote Configuration" allows the settings of the modem to be configured from a remote location.

• "Dial Security" that includes "Dialback" secures your network by verifying callers that are authorized prior to passing a remote originated call. "Dial Security" that includes "Dialback" secures your network by verifying modems that are authorized prior to passing a remote originated call.

Standards and Protocols that are Supported

• ITU V.90 with 56 Kbps technology

• ITU-T V.34 at 33.6 Kbps or 28.8 Kbps

• V.32terbo at 19.2Kbps (21.6 Kbps between Courier modems with ASL)

• HST at 16.8 Kbps

• Backward compatible with most ITU-T and Bell Standards

Installing the Modem

Illustration 2	g01080477
115 Volt AC MMS Modem Kit

Illustration 3	g01080479
230 Volt AC MMS Modem Kit

The following instructions explain how to install a 115 Volt or a 230 Volt AC modem in a Multi-Module System (MMS).

• Make sure all parts and materials are ready for assembly.

• Make sure that a wrist strap (electrostatic discharge) is checked and attached to UPS according to proper procedures for protection against electrostatic discharge.

Note: Follow all electrostatic discharge procedures when handling Printed Circuit Boards.

Note: When you receive the retrofit kit (modem), the appropriate modem will be preinstalled in the modem bracket.

Shutting Down the System

1. Confirm that the customer is ready to have power removed from the critical load.

2. Brake the flywheel to zero (0) RPM.

3. Turn keyswitch on the System Cabinet to the "Bypass" position.

4. Turn each MMU keyswitch to the "Bypass" position.

5. Confirm that the UPS is in bypass mode by pressing the "HOME" soft key on the user interface and verifying that the message on the display shows that the system is in bypass mode.

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NOTICE
Performing the following steps de-energizes the customer's load. Be sure you have customer authorization to proceed.

6. Disable the generator and the Automatic Transfer Switch.

7. Open the Output Isolation Switches (if equipped) that are located in the Input/Output cabinet.

8. Open the Output Isolation Switches (if equipped) that are located in the System Cabinet.

9. Open the Input Isolation Switches (if equipped) that are located in the System Cabinet.

10. Open the Input Isolation Switch (if equipped) that are located in the Input/Output Cabinet.

11. Remove facility power from the system input.

12. Allow capacitors to bleed down for at least ten (10) minutes.

Mounting the Transformer in the System Cabinet

1. Open the doors to the System Cabinet.

2. Locate the "Fan Monitor" Board on the top left cabinet panel.

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Illustration 4	g01080480

3. Install transformer (7) underneath and to the right of the Fan Monitor board (6). Refer to Illustration 4.

4. Insert two 8-32 screws with #8 washers through the bracket and into the threaded inserts in the bottom right-side rail.

5. Insert two 10-32 screws with #10 washers through bottom rail and into the nuts that are in the front bracket.

6. Tighten all four screws.

7. Make sure that the assembly is secure.

8. Make sure that the wires are not pinched.

Routing and Securing Modem Transformer Power Cable

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Illustration 5	g01080481

1. Plug the "J45" power connector (11) into the "Power Distribution" board "J45" Auxiliary Supply 2 connector.

2. Install the ground wires that are located on the receptacle bracket.
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   Illustration 6	g01080483

   1. Unplug connector "J5" (16) and connector "J1" (17) from the "Fan Monitor" board.
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   Illustration 7	g01080484

   2. Secure the ground wires (receptacle) (21) to the threaded inserts on the left panel directly above the "Parallel Cabinet Controller" board.
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   Illustration 8	g01080485

   3. Install the receptacle bracket (27) under the "Fan Monitor" board.

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Illustration 9	g01080486
(31) Transformer Connector

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Illustration 10	g01080489
Transformer connectors (31) secured to terminal block.

3. Connect the following transformer wires to the transformer connectors (31) : "X4", "X2", "X3" and "X1".

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Illustration 11	g01080487
115 Volt AC Modem Power Supply

Note: The power supply in Illustration 11 represents a 115 Volt power supply.

4. Plug the modem power supply into the receptacle that is closest to the UPS transformer.

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Illustration 12	g01080490

5. Plug in DB9 communication cable.

   The 9-pin connector plugs into the "J14" modem connector on the "Parallel Cabinet Interface" Board.

6. Route the cable with a common bundle along the door frame. Route the cable up, around, and over the top of the capacitor bracket (26) .

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Illustration 13	g01080623

7. Install the modem bracket.

   Note: The modem comes pre-installed in the bracket from Caterpillar.

Installation of the Modem Bracket

1. Tighten the bolts that hold the modem bracket.

2. Connect the communication cable to the connector on the back of the modem.

3. Connect the power cable by performing the following steps:

   1. Route the cable to the power jack on the modem.

   2. Stow the extra power cable for the modem next to the capacitor bracket (26) .

   3. Reconnect "J5" and "J1" connectors on the "Fan Monitor" Board.

4. Retain modem manual and software CD.

System Start-Up

1. Apply facility power to the System Input.

2. Close the Input Isolation Switch (if equipped) that is located in the Input/Output Cabinet.

3. Close the Input Isolation Switches (if equipped) that are located in the System Cabinet.

4. Close the Output Isolation Switches (if equipped) that are located in the System Cabinet.

5. Close the Output Isolation Switch (if equipped) that is located in the Input/Output Isolation Cabinet.

Configuration and Testing of the Software

The following instructions explain how to configure the newly installed modem.

1. Connect your computer to serial communications port of the UPS.

   Refer to the Operation manual for your specific UPS.

2. Turn on your computer.

3. Launch the UPS View Software.

4. Select "Enter Password" from the main menu bar.

5. Enter the appropriate level username and password.

6. Select "UPS Settings" from the main menu bar.

7. Select "Update UPS Software Options".

8. Select the file "*.ENC" from the selections in the dialog box.

   Note: The *.ENC file is found on the CD that is supplied by Caterpillar.

9. Select "Open".

   The computer processes the file and enables the system to utilize the modem software.

10. Select the "Op. Params" drop-down menu.

11. Select "Op. Group 5: Communications/Modem Type" from the "Op. Params." dropdown menu.

12. Select the type of modem that you are installing.

    Refer to Table 2.

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    Table 2

    Number	Type
    2	"3 COM Courier V. Everything External"
    4	"Zoom"

13. Enter the type of modem in the "Enter New Value/ Modem Type".

14. Press "Control Q" on the PC to initialize the modem.

15. Select "Yes".

16. Press "Control R" to reset the processor.

17. Select "Yes".

18. Modem installation is complete when the processor resets.

19. Connect an analog phone line.

20. Set up the paging feature, if desired, and test.

21. Test the modem with the UPS View software via the phone line.

22. Select "PC Settings" drop-down menu and select "Connection Settings".

23. Select "Modem Connect".

24. Select "Connect".

25. Select "OK".

26. Turn the keyswitch for the System Cabinet to the "Online" position.

27. Turn the keyswitch for each MMU to the "Online" position.

    The system enters the Bypassed-Auto Start state and begins to charge the flywheel. When the flywheel reaches 4000 RPM, the system goes into Online mode and is operational.

28. Make sure that the system is online by pressing the "Home" button that is located on the User Interface and observing the "Online" status that is displayed on the status line of the LCD.

29. Close and secure all cabinet doors.