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Connect Remotely to the DEFINITY ECS Through a Data Module

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If the PC is more than 50 ft (15 m) from the DEFINITY ECS, you can connect it through a data module.

  1. Connect the equipment as shown in A typical remote connection using an 8400B (top) or 7400B (bottom) data module.


Note: With a 7400A or 7400B+ data module, use a 4-wire digital line circuit pack. With the 8400B+ data module, use a 2-wire digital line circuit pack.

In place of a 7400B+ data module, you can use a 7400A data module. If you do, see Set the Data Module to DCE Mode.

  1. Wire the digital line circuit pack to the wall jack as follows:

After connecting the data module, check the Task List: Make Data Module Settings and perform any necessary tasks.

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A typical remote connection using an 8400B (top) or 7400B (bottom) data module

Figure Notes:
      1. DEFINITY ECS

      2. Digital line circuit pack

      3. B25A 25-pair cable

      4. Main distribution frame (MDF)

      5. 103A or Lucent modular wall jack

      6. 400B2 adapter

      7. D6AP power cord (8400B+ only)

      8. Data module power supply

      9. 7-ft (2-m) D8W modular cord

      10. Data module (8400B+ [top] or 7400B+ [bottom])

      11. 50-ft (15-m) M25A cable (RS-232)

      12. Computer with DSA or DNA

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Task List: Make Data Module Settings

  1. Set the Data Module to DCE Mode if necessary

  2. Add a Data Module to the Switch

  3. Test Hardware Connections

  4. Set the Data Module Operating Mode

  5. Set the 7400B+ Options


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