...because we can't all be on the bleeding edge...





NEW SERIAL INTERFACE #8143

EPSON, INC.

NEW SERIAL INTERFACE #8143

Card Type

Serial interface card

Chipset/Controller

Unidentified

I/O Options

Serial interface

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Serial Interface

CN1

HANDSHAKING PROTOCOL

Function

J1

J2

J3

J4

J5

Pull up "TTY-TXD" to +12V via 470 W

On

Off

Off

Off

Off

Connect : "TTY-TXD Return" to Signal Ground

Off

On

Off

On

Off

Pull up "TTY-RCD" to +12V via 470 W

Off

Off

On

Off

Off

Pull up "DSR" and "DCD" to +12V via 4.7k W

Off

Off

Off

Off

On

Note:The factory default setting for J1, J2, J3, and J4 is Off. The factory default setting for J5 is on.

DTR PROTOCOL

Signal

JNOR

JREV

DTR=MARK (RS232), TTY-TTD = MARK (current loop)

On

Off

 

DTR=SPACE (RS232), TTY-TXD = SPACE (current loop)

Off

On

Note:MARK = logic "1" (-3 to -27V), SPACE = logic "0" (+3 to +27V) for RS232C For Current loop, MARK = logic "1" (current on), SPACE = logic "0" (current Off).

INPUT DATA CONFIGURATION

Data

JC

JRS

RS232 level

Off

On

 

Current loop level

On

Off

OUTPUT DATA CONFIGURATION

Output

JF

JX

Reverse channel flag to TTY-TXD (current loop)

Off

On

 

X-On/X-Off signal to TTY-TXD (current loop)

On

Off

DATA BIT SELECTION

Data Bit

SW1/2

7

On

 

8

Off

PARITY CONFIGURATION

Setting

Parity check

SW1/5

SW1/6

Enabled

Even

On

On

 

Disabled

Odd

Off

Off

INTERFACE SELECTION

Interface

SW1/8

Serial interface is valid

On

 

Parallel interface is valid

Off

BIT RATE SELECTION

Bit rate

SW1/1

SW1/3

SW1/4

SW1/7

75

On

On

On

On

110

On

Off

On

On

134.5

On

On

Off

On

150

On

Off

Off

On

200

Off

On

On

On

300

Off

Off

On

On

600

Off

On

Off

On

1200

Off

Off

Off

On

1800

On

On

On

Off

2400

On

Off

On

Off

4800

On

On

Off

Off

9600

On

Off

Off

Off

19200

Off

On

On

Off

19200

Off

Off

On

Off

19200

Off

On

Off

Off

19200

Off

Off

Off

Off