0049-0117-100 DSP9612 Flash Poll Modem – User Guide
10/12/2011
Rev. F1
Page 21 of 44
SW3 DIP Switch Settings
SW3 is a 10-position DIP switch. Table 2-5 shows the modem switch
settings for DIP switch SW3. A description of the SW3 switch settings
follows the table.
Table 2-5. Modem Switch Settings for DIP Switch SW3
Switch Settings
Switches
ON
OFF
(Default)
SW3-1: Fast Poll/FSK
(page 22)
FSK
Fast Poll
Auto-Rate
SW3-2: Data Rate (page
23)
4800 bps
9600 bps
SW3-3: Async Character
(page 23)
11 bits
10 bits
SW3-4: Auto RTS (page
23)
Enabled Disabled
SW3-5: Transmitter
Termination (page 24)
Switched by
RTS
600
Ω
SW3-6: Reserved (Test
Only) (page 24)
Test Normal
SW3-7: 2- or 4-wire (page
24)
2-wire, half-
duplex
4-wire, full-
duplex
SW3-8: Carrier Control
(page 25)
Constant Switched
SW3-9: Rx Termination
600
Ω
High Rx
Impedance
SW3-10: Signal Ground
and Earth Ground Option
(page 25)
Connected Separated
Summary of Contents for DSP9612
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