Citizen Systems CBM-820 Benutzerhandbuch
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6.2
Interface Connections
Refer to the interface specifications of the host for details on connecting to its
interface connector. The following illustration shows a typical connection
configuration.
interface connector. The following illustration shows a typical connection
configuration.
20
DTR
OUT
Indicates whether data receive from host is enabled or disabled.
DTR/DSR Communication Mode
Space when receive is enabled.
X-On/X-Off Communication Mode
Always space, except during following conditions:
• Period between reset and communication enabled
• During self-test printing and dot alignment adjustment
DTR/DSR Communication Mode
Space when receive is enabled.
X-On/X-Off Communication Mode
Always space, except during following conditions:
• Period between reset and communication enabled
• During self-test printing and dot alignment adjustment
21 - 24
N.C.
Not connected
25
INIT
IN
• DIP Switch 10 = OFF
This signal not used.
This signal not used.
• DIP Switch 10 = ON
This signal becomes reset signal. Printer is reset whenever signal is in mark state with
pulse width of 1mS or more.
This signal becomes reset signal. Printer is reset whenever signal is in mark state with
pulse width of 1mS or more.
Pin
No.
Signal
Name
Direction
Function
1
2
3
4
6
1
2
3
4
5
6
7
8
20
F-GND
TXD
RXD
RTS
DSR
20
25
7
S-GND
DTR
INIT
Printer side
(D-sub 25 pin)
IBM PC side
3
2
7
8
6
5
1
4
F-GND
TXD
RXD
RTS
CTS
DSR
S-GND
DCD
DTR
9 pin
25 pin