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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

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Rose-electronics Porter Manuale Utente Pagina 38

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