BTP-M170 User’s Manual
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6 Interface Signal
6.1 Parallel Interface
The parallel interface is unidirectional which supports BUSY/ACK handshaking protocol. Its
connector is DB25 needle type.
Pin Signal definition
PIN1 nStrobe
PIN 2 Data 0(LSB)
PIN 3 Data 1
PIN 4 Data 2
PIN 5 Data 3
PIN 6 Data 4
PIN 7 Data 5
PIN 8 Data 6
PIN 9 Data 7 (MSB)
PIN 10 Ack
PIN 11 Busy
PIN 12 PError
PIN 13 Select
PIN 14 NC
PIN 15 nFault
PIN 16 Rise to 5V via a resistance
PIN 17 Rise to 5V via a resistance
PIN 18～25 Logical ground
6.2 Serial Interface
The serial interface is RS-232 compatible and its connector is 25pin female D type.
PIN No. Signal definition
PIN1 Frame Ground
PIN2 TXD
PIN 3 RXD
PIN 4 RTS
PIN 5~6 NC
PIN 7 Signal Ground
PIN 8~19 NC
PIN 20 DTR
PIN 21~25 NC
User may check the current setting status of the interface by printing a confi guration table.
The default setting is as follows:
Baud rate: 9600bps
Data bit: 8
Parity bit: None
Stop bit: 1
Handshaking: DTR/DSR