Rev. 3.02
- 22 -
SRP-350
3-5-1(c) Cable Connection
Figure 3-7 RS-232C Cable Connection
3-5-1(d) Signal Description
Pin No. Signal name
Direction
Function
1 FG -
Frame
Ground
2 TxD Output
Transmit
Data
3 RxD Input
Receive
Data
4 RTS Output
Ready
To
Send
5 CTS Input
Clear
To
Send
6 DSR Input
This signal indicates whether the host computer can receive data.
(H/W flow control)
1) MARK(Logic1) : The host can receive a data.
2) SPACE(Logic0) : The host can not receive a data.
3) The printer transmits a data to the host, after confirming
this signal.
4) When XON/XOFF flow control is selected, the printer does
not check this signal.
7 SG -
Signal Ground
20 DTR Output
This signal indicates whether the printer is busy. (H/W flow control)
1) MARK(Logic1) : The printer is busy.
2) SPACE(Logic0) : The printer is not busy.
3) The host transmits a data to the printer, after confirming
this signal.
4) When XON/XOFF flow control is selected, the host does
not check this signal.
Table 3-15 RS-232C Pin Description
3-5-1(e) H/W Flow Control
When DTR/DSR flow control is select, before transmitting a data, the Printer checks whether the host is
BUSY or not. If the host is BUSY, the Printer does not transmit a data to the host. If the host is not BUSY, the
Printer transmits a data to the Host. The host is the same. Refer to the Interface Part of Chapter 4-3 Special
Circuit Diagrams.
PRINTER
SIDE (25P)
HOST
SIDE (25P)
PRINTER
SIDE (25P)
HOST
SIDE (9P)
Summary of Contents for SRP-350 PlusA
Page 1: ...Service Manual SRP 350 Thermal Printer Rev 3 02 http www bixolon com ...
Page 16: ...Rev 3 02 16 SRP 350 3 1 3 Feature Locations Figure 3 3 Feature Location ...
Page 28: ...Rev 3 02 28 SRP 350 4 Hardware 4 1 Wiring Diagram Figure 4 1 Board Wiring Diagram ...
Page 29: ...Rev 3 02 29 SRP 350 4 2 Block Diagram Figure 4 2 Block Diagram ...
Page 51: ...Rev 3 02 51 SRP 350 7 2 System Problem ...
Page 52: ...Rev 3 02 52 SRP 350 7 3 Panel PBA and Sensor Problem ...
Page 53: ...Rev 3 02 53 SRP 350 7 4 Thermal Printer Head and Feed Motor Problem ...
Page 54: ...Rev 3 02 54 SRP 350 7 5 Auto Cutter and Drawer Problem ...
Page 55: ...Rev 3 02 55 SRP 350 7 6 Dip S W and I F PBA Select Problem ...
Page 56: ...Rev 3 02 56 SRP 350 7 7 RS 232C Serial Communication Problem ...
Page 57: ...Rev 3 02 57 SRP 350 7 8 RS 485 Serial Communication Problem ...
Page 58: ...Rev 3 02 58 SRP 350 7 9 IEEE 1284 Parallel Communication Problem ...
Page 59: ...Rev 3 02 59 SRP 350 7 10 USB Communication Problem ...