MERLIN LEGEND Communications System Release 6.1
Maintenance and Troubleshooting
555-661-140
Issue 1
August 1998
Page 1-7
Remote Programming Maintenance
To perform remote maintenance, you need a PC with SPM software, a tip/ring
telephone, and a 1,200-bps modem. Beginning with Release 3.0, a 2,400-bps
modem may also be used.
Considerations
Review the following points before you begin remote maintenance procedures.
■ Remote maintenance overrides onsite maintenance and programming,
except when onsite backup or restore is in progress. Before you perform
remote maintenance, notify the customer’s system manager.
■ You can perform remote maintenance and programming only from a
DOS PC, not from the UNIX environment. If you are running SPM under
IS III, you cannot perform remote maintenance.
■ Line noise can cause the SPM screen to display unpredictable results. If
this occurs, hang up and redial.
NOTE:
Under applicable tariffs, the customer is responsible for any charges
incurred through the remote use of system facilities. Precautions should
be taken to prevent unauthorized use of the system’s outside lines by
remote callers, also called toll fraud. See Appendix A, “Customer Support
Information,” for more information about security.
Setting Up Equipment for Remote
Maintenance
To set up equipment for remote maintenance, follow the steps below while
referring to Figure 1–3 and to
Installation.
!Connect the PC and modem.
■ If you have an external modem, use an EIA-232-D cable.
■ If you have an internal modem, the connection is already
established.
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