AT&T 3.0 manual On-Site Programming Maintenance, Setting Up the MLX-20L Console, MLX-20L Failure

On-Site Programming Maintenance

On-Site Programming Maintenance

You can perform on-site maintenance with an MLX-20L console or a PC with SPM software. This book provides maintenance instructions from the console. If you are using a PC, refer to System Programming and Maintenance (SPM) for details. If you use the UNIX® System, see the documentation for Integrated Solution III (IS Ill).

Setting Up the MLX-20L Console

To connect an MLX-20L console to the control unit, follow the steps below. Refer to Figure 1-1.

1Plug one end of a D8W-87 cord into one of the first five jacks on the leftmost 008 MLX module or 408 GS/LS-MLX module.

The first MLX jack is the default. If it is already being used for the attendant console, choose another jack. If one of the jacks is already being used for system programming or maintenance, use that jack. Only one jack at a time can be used for system programming or maintenance.

2Plug the other end of the D8W-87 cord into the LINE jack on the underside of the MLX-20L console.

MLX-20L Failure

If the MLX-20L console does not work, follow the steps below.

1Replace the MLX-20L console with one that is known to be working (if available).

2If the failure persists, or if a working MLX-20L console is not available, connect the original MLX-20L console directly into the appropriate MLX jack on the control unit using a cord that is known to be working.

3 If the trouble clears, replace the original D8W-87 cord.

If not, use the PC as your maintenance terminal and then troubleshoot the leftmost MLX module. See “Module Problems” in Chapter 4 for instructions.

Introduction 1–3