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C2649M (9/07) 15
Figure 5. Data Select Switch
Table B. Data Select Switch Settings
Switch Setting Data Communication Mode
0 (default setting) RS-232
1 RS-422
2 RS-485 2-Wire
3 RS-485 4-Wire
4 Manchester/Bi-Phase
5 Coaxitron
NOTE: Switch settings 6-9 are not used. If switch
setting 6-9 is selected, the Data Activity LED lights red.
DATA
SELECT
AUDIO
SELECT
0. RS-232
1. RS-422
2. RS-485 2W
3. RS-485 4W
4. Man/Bi-Phase
5. Coaxitron
6-9 NOT USED
0. UNBAL 47K
1. BAL 600
2-9 NOT USED
DATA SELECT SWITCH