Casio DT-930 - Hardware Specifications

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6.4. Hardware Specifications
Table 6.2
Block Item Specification Remark
Protocol Original Ir Interface (IrDA device) IR comm.
only by
contact.
Synchronization Start/Stop bit
Method Half duplex
Data bit : 8
Stop bit : 1
Data format
Parity bit : none
Fixed
Baud rate (bps) 2400, 9600, 19.2K, 38.4K, 57.6K, 115.2K
Mark : LED off I/F level
Space: LED on (pulse width 1.6 usec.approx)
Pulse width
of ON is
fixed
irrespective
of
communicati
on speed.
I/F to
DT-930
Usage Connecting DT-930
Protocol RS-232C
Synchronization Start/Stop bit
Method Half duplex
Data length : 8 bits
Stop bit : 1
Data format
Parity bit : none
Baud rate (bps) 2400, 9600, 19.2K, 38.4K, 57.6K, 115.2K
Mark -15 to –5V SD
Space +15 to 5 V
Mark -3 V or less
I/F level
RD
Space +3 V or more
Pin number and signal
Pin 1 FG Pin 2 Not used
Pin 3 SD Pin 4 Not used
Pin 5 RD Pin 6 Not used
Pin 7 RS Pin 8 ER
Pin 9 Not used Pin 10 Not used
Pin 11 Not used Pin 12 Not used
Connector
Pin 13 CD Pin 14 SG
14-pin
female
I/F
I/F to
Host PC
Usage P/C, Modem, Printer, etc.
Protocol RS-485 Max. length
is 1 Km.
Synchronization Start/Stop bit
Method Half duplex
Data bit : 8
Stop bit : 1
Data format
Parity bit : none
Fixed
I/F Chained
Connect.
I/F
Baud rate (bps) 2400, 9600, 19.2K, 38.4K, 57.6K, 115.2K
Continued.
13 1
14 2