Title
Rev.
Page
HMK-825 HMC-825
Ver1.5
P.20/65
4. Interface specification
4-1) RS232
1) Data transmission : Serial
2) Hand shake : Hardware (RTS/CTS
또는
DTR/DSR )
3) Baud Rate
: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 BPS
4) Data bit : 7, 8 bit
5) Parity : None, Odd, Even
6) Stop bit : 1 ,2 bit
7) Connector : DSUB-9 Female
8) Cable : DSUB9(Male)-DSUB9(Female) straight (1:1) cable
Pin Descript. In/out
1
N.C
-
2 TxD
Out
3 RxD
In
4 DSR
In
5 GND
-
6 DTR
Out
7 CTS
In
8 RTS
Out
9 N.C
-
4-2) USB
1) Spec : USB 2.0, Full Speed(12Mb) & High Speed(480Mb).
2) Connector : Type B
3) Cable : USB2.0 Standard
4) Transmission : Bulk IN, Bulk OUT
Bulk IN : End point 6,
Bulk OUT : End point 2
Full Speed : Max Packet Size 64 Byte(Bulk OUT),64 Byte(Bulk IN)
High Speed : Max Packet Size 512 Byte(Bulk OUT),512 Byte(Bulk IN)
※
Full Speed, High Speed mode is automatically set with host communication.
Pin Descript. In/out
1
DCD
-
2 RxD In
3 TxD
Out
4 DTR Out
5 GND
-
6 DSR In
7 RTS Out
8 CTS In
9 RI
-
Printer
Host
