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INTERFACE INFORMATION
D-8
Serial Options
The serial options for the computer and the printer must match. Use the
printer control panel, the computer operating system, or your software to
change options specified as "selectable."
Transmission mode:
Speed:
Data bits:
Parity bit:
Start bit:
Stop bit:
Protocol:
Buffer size:
Cable Wiring
This printer allows two types of serial communication control: DSR-
enabled and DSR-disabled. The type of control required is determined
by your computer requirements. The type of control also affects the way
the interface cable is wired. To determine whether you need DSR-
enabled control or DSR-disabled control, use the printer HARDWRE
function (see Chapter 5).
DSR-disabled control offers simpler cabling and communication than
DSR-enabled control. DSR-disabled control can be used to interface
with an IBM PC and most other personal computers. With DSR-disabled
control, the input control signals DSR, CTS, and CD are always
considered high, regardless of their actual states. Therefore, no wire
connection for these pins is required. The following figure shows the
wiring required for connection to an IBM PC.
Asynchronous, full duplex, or half duplex
(selectable)
150, 300, 600, 1200, 2400, 4800, 9600, or
19200 baud (selectable)
7 or 8 bits (selectable)
Odd, even, mark, space, or none (selectable)
1 bit
1 or 2 bits (selectable)
XON/XOFF (DC1/DC3), DTR (Data Terminal
Ready), or RC (Reverse Channel) (selectable)
256, 2K, 8K, 24K, 32K, 96K, or 128K bytes
(selectable)
User's Manual
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