3 troubleshooting, Chapter 3. troubleshooting, 1 eia-232 to eia-485 converters – Comtech EF Data M&C Software for Windows User Manual

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3–1

Chapter 3. TROUBLESHOOTING

This chapter describes troubleshooting possible problems and methods for solving them.

3.1

EIA-232 to EIA-485 Converters

Note: The KST-2000L is not configured for redundant operation.

Since this application currently supports redundant KST-2000A/B configurations, multi-
drop EIA-485 is the only method of simultaneously communicating to both devices in the
redundant configuration.

The EIA-232 COM port on the back of a PC must be converted to the EIA-485 hardware
protocol for reliable communication to take place.

Note: Choose a converter that keeps all EIA-485 line drivers enabled at all times.