Service manual

Page 2-10 D508/D512 Service Manual
RS-232C INTERFACE
The High Speed Serial Interface is an factory installed option that must be installed in the printer
at the time of order. The D500 recognizes the RS-232 interface automatically.
General Specifications
Asynchronous ASCII Half-duplex communication
Ready/Busy Hardware Flow Control
Pin 20, DTR Control
Pin 4, RTS Error Condition
X-On/X-Off Software Flow Control
Bi-Directional Communication
Data Transmission Rate 9600, 19200, 38400, 57600 bps
Character Format 1 Start Bit (fixed)
7 or 8 data bits (selectable)
Odd, Even or No Parity (selectable)
1 or 2 Stop bits (selectable)
Electrical Specifications
Connector DB-25S (Female)
Cable DB-25P (Male), 50 ft. maximum length. For cable
configuration, refer to Cable Requirements appropriate to
the RS232C protocol chosen.
Signal Levels High = +5V to +12V
Low = -5V to -12V