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GE Energy
28
994-0089–1.00–2, General
RS-232 Adapter Top Side
Switch SW1/SW2 Configuration
Switches SW1 (for Port 2) and SW2 (for Port 1) control the signal type of the RS-232 port.
Each switch contains five switch positions that can each be set to position A or B to select
the appropriate port option.
RS-232 Card Switch SW1/SW2 Settings
SW1/SW2 Switch Positions
Port Option
1 2 3 4 5
DTE (default) A A A A A
DCE A B B B B
+5 V (320 mA) isolated
source
B * * * *
*Use DTE or DCE settings as appropriate
Note: +5 V is an independently isolated and fused output (320 mA at 65 °C).