Roland EGX-30 - Page 30

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
1FG