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1.3 INTERFACE SPECIFICATIONS
The
is equipped with the following external interfaces:
Parallel interface
Optional LocalTalk interface
Optional Type B interface
1.3.1 Parallel Interface
The parallel interface has two modes as follows:
Compatibility mode (same as parallel interface of EPSON's current page printer)
Reverse mode
1.3.1.1 Compatibility Mode of Parallel Interface
STROBE synchronization, 8-bit parallel data transfer
System:
BUSY and
Handshaking:
Connector type:
57-30360
Applicable plug:
Transfer speed:
Approximately 400,000 bytes/second (max.)
See Figure 1-3.
Signal timing:
See Table 1-8.
Signal description:
DATA 1-8
S T R O B E
B U S Y
Figure 1-3. Compatibility Mode Signal Timing
Rev.
interface
signals
receptacle
or equivalent)
(minimum) (minimum)
I
I
(minimum)
\ -
(maximum)
0 . 5 o r
(minimum)
I
VALID
0 s
\
1 or
(typical)
General Description
\
1-11
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