User`s guide

Rockhopper 38 – User’s Guide
Page 138 AP-75038, Rev. 1.0. – 27/05/04
7.2. INTERFACE SPECIFICATIONS
a. RS-232C interface specifications:
Use Port: Port1
Baudrate: 4800bps, 9600bps, 19200bps, 38400bps
Format Synchronism: ASCII
Communication: Double communication
Data Length: 7bits, 8bits
Stop Bit: 1bits, 1.5bits, 2bits
Parity: None / Even / Odd
Handshake: Off (Hard wired), X on / X off, ENQ/ACK
Connector Pin No:
Table of RS-232C interface pin numbers and signals
Pin No. Signal Name Directions
1 FG Frame Ground
2 TXD Transmission Data RH38 printer -> computer
3 RXD Receiving Data RH38 printer -> computer
4 RTS Transmission Command RH38 printer -> computer
5 CTS Transmission possible
6 Not-used
7 SG Signal Ground
8-19 Not-used
20 DTR Data Terminal Ready RH38 printer -> computer
21-25 Not-used