28
Parallel connector (in compliance
with specifications of Centronics)
Serial connector (RS-232C)
1
19
18
36
3.3K
+5V
=
*
Ω
100
+5V
=
**
Ω
1
14
13
25
Interface specification
[Parallel]
Standard
In compliance with the specification of Centronics
Input signal
STROBE(1BIT), DATA(8BIT)
Output signal
BUSY(1BIT), ACK(1BIT)
I/O signal level
TTL level
Transmission method
Asynchronous
[Serial]
Standard
RS-232C specification
Transmission method
Asynchronous, duplex data transmission
Transmission speed
9600
Parity sheck
None
Data bits
8 bits
Stop bits
1 bit
Handshake
Hardware
Signal
Terminal
Signal
Pin
number
number
number
connection
NC
36
18
HIGH**
HIGH*
35
17
GND
NC
34
16
GND
GND
33
15
NC
HIGH*
32
14
NC
NC
31
13
HIGH*
GND
30
12
GND
29
11
BUSY
28
10
ACK
27
9
D7
26
8
D6
25
7
D5
GND
24
6
D4
23
5
D3
22
4
D2
21
3
D1
20
2
D0
19
1
STROBE
Signal
Terminal
Signal
Pin
number
number
number
connection
NC
25
13
NC
NC
24
12
NC
NC
23
11
NC
NC
22
10
NC
NC
21
9
NC
DTR
20
8
NC
NC
19
7
SG
NC
18
6
DSR
NC
17
5
CTS
NC
16
4
RTS
NC
15
3
RXD
NC
14
2
TXD
1
FG
Summary of Contents for EGX-30
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