Interface specifications – Roland PNC-900 User Manual
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24
• Interface Specifications
Signal
number
Terminal
number
Signal
number
Pin 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
24
6
D4
23
5
D3
22
4
D2
21
3
D1
20
2
D0
19
1
STROBE
Signal
number
Terminal
number
Signal
number
Pin 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
1
14
13
25
[Parallel]
Standard
In compliance with the specifications of Centronics
Input signals
STROBE (1 BIT), DATA (8 BIT)
Output signals
BUSY (1 BIT), ACK (1 BIT)
Level of input/output signals
TTL level
Transmission method
Asynchronous
[Serial]
Standard
RS-232C specifications
Transmission method
Asynchronous, duplex data transmission
Transmission speed
4800, 9600 (Selected using DIP switches.)
Parity check
Odd, Even, or None (Selected using DIP switches.)
Data bits
7 or 8 bits (Selected using DIP switches.)
Stop bits
1 or 2 bits (Selected using DIP switches.)
1
19
18
36
3.3K
100
+5 V
+5 V
=
=
*
**
Ω
Ω
Parallel Connector (in compliance with
specifications of Centronics)
Serial Connector (RS-232C)