V.TECHNICAL INFORMATION

A.INTERFACES

1.SERIAL INTERFACE

a.RS232

The standard serial interface applicable to PP4000S is RS232. The communication protocols in RS232 are: 19200 bps, none parity, 8 data bits, 1 stop bit. These settings are fixed, not for change. The RS232 connection is done through a 9 pin D sub female connector with following pin assignments:

Pin #

Definition

1N.C.

2TXD

3RXD

Pin #

Definition

4DTR

5GND

6DSR

Pin #

Definition

7N.C.

8CTS

9N.C.

b.RS422

RS422 is the serial interface applicable to PP4000B. Similar to RS232, the communication protocols in RS422 are: 19200 bps, none parity, 8 data bits, 1 stop bit. These settings are also fixed and not for change. The RS422 connection uses the same 9 pin D sub female connector used in RS232 with following pin assignments:

Pin #

Definition

1RD+

2RD-

3CS+

Pin #

Definition

4CS-

5GND

6SD+

Pin #

Definition

7SD-

8RS+

9RS-

5 - 1

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Epson PP4000 manual Technical Information, Interfaces, Serial Interface, RS232, Pin #