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Apple ImageWriter II User Manual

Page 35

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Form length 11 inches Open
Form length 12 inches Closed

SW1-5

Perforation skip inactiveOpen
Perforation skip active Closed

SW1-6

SW1-7

10 cpi Open

Open

12 cpi Closed

Open

17 cpi Open

Closed

160 dpi Closed

Closed

SW1-8

Carriage return only

Open

Carriage return plus line feed

Closed

ImageWriter II DIP Switch Settings

SW2-1

SW2-2

300 Baud

Open

Open

1200

Closed

Open

2400

Open

Closed

9600

Closed

Closed

SW2-3

Hardware Handshake Protocol Open
XON/XOFF Protocol

Closed

SW2-4

Option disabled (No option card) Open
Option Enabled

Closed

Do not adjust DIP switches SW2-5 and SW2-6. They are factory-set to control hammer-fire timing.

Interface Specifications

Data Input Form:

8-bit asynchronous serial:
1 start bit, 8 data bits, 1 stop bit (no parity)

Data Input Codes:

Characters: ASCII, 8- or 7-bit

Graphics: 8-bit binary

Transmission Speed:

300, 1200, 2400, or 9600 baud

Input Buffer Size:

2K bytes, 32K bytes w/ 32K Memory Option

Printer Connector:

Mini-circular connector, 8-pin socket or equivalent

Cable Connector:

Mini-circular connector, 8-pin plug or equivalent

Pin Connection

Pin No.

Symbol

Description

Direction

1

DTR

Data Terminal Ready

Output

2

DSR

Data Set Ready

Input