Appendix c – specifications – Rose Electronics Porter User Manual
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PORTER INSTALLATION AND OPERATIONS MANUAL
Appendix C – Specifications
Interface Specifications
Serial models
Electrical:
RS232 + 9 and -9 volts
Protocol:
Asynchronous DTR/CTS, X-on/X-off
Baud rate:
50-19200 baud (limited to 9600 baud during broadcast mode)
Word length:
7 or 8
Parity:
Odd, even, mark, space, or none
Stop bits:
1 or 2
Parallel models
Electrical:
TTL levels
Protocol:
Centronics compatible
May use STB/ACK, STB/BUSY
or STB/ACK/BUSY interface
If busy not used must be connected low.
General Specifications
Size:
10.5” wide X 3.5” high x 5.0” deep
Weight:
4 channels – 7 lbs / 8 channels – 8 lbs
Power:
110 volt external wall mount adapter 10 watts
Display:
Port select LEDS: 1-8
Status LEDs:
Power, Data, Mode, Busy, Error, Port LEDs 1-8
Environment:
0 to 70 degrees C. 0 to 95% relative humidity
Connectors:
Serial:
DB25 female
Parallel:
Centronics 36 female
Signals switched:
Serial:
5 signals
Parallel:
17 signals
Configuration:
Stored in non-volatile memory
Warranty:
1 year parts and labor