RS232C SERIAL INTERFACE
The High Speed Serial Interface is a Plug-In Interface Module. The PTR3E comes standard
with parallel interface.
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 (ENQ/Response)
Data Transmission Rate
2400, 4800, 9600 and 19200 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
48
Section 5. Interface Specifications
Pin 13
Pin 25
Pin 14
Pin 1
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