Rs-232C Connector - Star HSP7000 SERIES Hardware Manual

13-2. RS-232C Connector

Pin No. Signal name
1 F-GND
2 TXD
3 RXD
4 RTS
5 N/C
6 DSR
7 S-GND
8~19 N/C
20 DTR
21~24 N/C
25
INIT
13
25
Direction
— Frame ground
OUT Transmission data
IN Receive data
OUT Always SPACE
Not used.
IN Not used.
— Signal ground
Not used.
OUT (1) STAR Mode
A) DTR communication mode
Indicates whether data receive from host is enabled or disabled.
Space: Receive enabled
Mark: Receive disabled
B) X-ON/X-OFF communication mode
Always space, except during the following conditions:
• Period between reset and communication enabled
• During self printing
(2) ESC/POS Mode
A) DTR/DSR communication mode
Indicates whether data receive from host is enabled or disabled.
Space: Receive enabled
Mark: Receive disabled
The busy condition can be changed by using DIP Switch 1-6 as follows:
1. During the period from when the power
is turned on (including resetting using the
interface) to when the printer is ready to
receive data.
2. During the self printing.
3. When the cover is open
4. When the printer stops printing due to a
paperend.
5. During macro executing standby status.
6. When an error has occurred.
7. When the receive buffer becomesfull.
B) X-ON/X-OFF communication mode
Always space, except during following conditions:
• Period between reset and communication enabled
• During self printing
Not used.
IN Reserved
14
– 66 –
Function
Printer status
1
D-sub 25 Pin
DIP SW 1-6
OFF ON
BUSY BUSY
BUSY BUSY
– BUSY
– BUSY
– BUSY
– BUSY
BUSY BUSY