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DR300 Operator Manual
76
CHAPTER 10
Serial Interface
Serial Interface
• Interface Specifications
Protocol Ready/Busy (1 item, multi items selectable)
XON/OFF (1 item, multi items selectable)
Status 3 (Multi item only)
Baud rate 2400, 4800, 9600, 19200 BPS
Synchronize Asynchronous mode
Maximum
receive buffer
capacity
32K
OK 32K
Near full
occurrence
2Kbytes remained
Near full
cancellation
8Kbytes remained
Character
construction
Data bit 7 or 8 bit
Start bit 1 bit
Stop bit 1 or 2 bit
Parity check Even, Odd, None
Data
Specification
ASC II (7 bit) Graphic (8 bit)
Connector Printer side DB-25S (Equivalent)
Cable side DB-25P (Equivalent)
Cable length less than 5m
Transmission
format
Start b1 b2 b3 b4 b5 b6 b7 b8 Stop
Note : b8 is omitted when set to 7 bit data
Signal level High level : +5 ~ +12 V
Low level : -5 ~ -12 V
Chapter 10 - Serial Interface