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MGE UPS Systems UPS User Manual

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GCC Troubleshooting
page 6 —7
User Manual
6.6
RS232/RS485 Interface Converter
The Patton Model 2089 RS232 to RS485 interface converter requires no AC power or batteries for operation, as it
is powered by the computer.
6.6.1
Switch Setting
This section shows how to access the Dip switches, and describes how to set the configuration.
The Model 2089 is configured using two PC board mounted 4-position Dip switches.  There is a main PC board and
a daughter board.  Dip switch S1 is located on the underside of the main PC board see Figure 6-7.  Dip switch S2
is located on the top of the daughter board, see Figure 6-8.
Figure 6-7:  Converters Location Dip Switch S1.
Figure 6-8:  Connections Location Dip Switch S2.
To access the Model 2089’s internal PC boards, insert a small flat-blade screwdriver between the connector and the lip of
the case and twist gently as shown in Figure 6-9.
Switch 1
Switch S2