Hardware Specifications - Casio DT-930 Hardware Manual

6.4.

Hardware Specifications

Table 6.2
Block
I/F I/F to
DT-930
I/F to
Host PC
I/F Chained
Connect.
I/F
Continued.
Item
Protocol Original Ir Interface (IrDA device)
Synchronization Start/Stop bit
Method Half duplex
Data format Data bit : 8
Stop bit : 1
Parity bit : none
Baud rate (bps) 2400, 9600, 19.2K, 38.4K, 57.6K, 115.2K
I/F level Mark : LED off
Space: LED on (pulse width 1.6 usec.approx)
Usage Connecting DT-930
Protocol RS-232C
Synchronization Start/Stop bit
Method Half duplex
Data format Data length : 8 bits
Stop bit : 1
Parity bit : none
Baud rate (bps) 2400, 9600, 19.2K, 38.4K, 57.6K, 115.2K
I/F level SD
RD
Connector Pin number and signal
Pin 1
Pin 3
Pin 5
Pin 7
Pin 9
Pin 11
Pin 13
Usage P/C, Modem, Printer, etc.
Protocol RS-485
Synchronization Start/Stop bit
Method Half duplex
Data format Data bit : 8
Stop bit : 1
Parity bit : none
Baud rate (bps) 2400, 9600, 19.2K, 38.4K, 57.6K, 115.2K
21
Specification
Mark -15 to –5V
Space +15 to 5 V
Mark -3 V or less
Space +3 V or more
13 1
14 2
FG Pin 2
SD Pin 4
RD Pin 6
RS Pin 8
Not used Pin 10
Not used Pin 12
CD Pin 14
Remark
IR comm.
only by
contact.
Fixed
Pulse width
of ON is
fixed
irrespective
of
communicati
on speed.
14-pin
female
Not used
Not used
Not used
ER
Not used
Not used
SG
Max. length
is 1 Km.
Fixed