Interface Signal; Parallel Interface; Serial Interface - SNBC BTP-2002NP User Manual

6 Interface Signal

6.1 Parallel Interface

The parallel interface is bi-directional which supports BUSY/ACK handshaking protocol. Its connector
is 36pin centronics.
Pin No. Source
1 H
2 H
3 H
4 H
5 H
6 H
7 H
8 H
9 H
10 P
11 P
12 P
13 P
14
15
16
17
18 P

6.2 Serial Interface

The serial interface is RS-232 compatible and its connector is 25pin female D type.
PIN No.
PIN1
PIN2
PIN 3
PIN 4
PIN 5~6
PIN 7
PIN 8~19
PIN 20
PIN 21~25
Compatible Mode
Strobe
Data 0 (Least Significant Bit)
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7 (Most Significant Bit)
Ack
Busy
P Error
Select
Not defined
Not defined
Logic Ground
Chassis Ground
Peripheral Logic High
36 PIN CENTRONICS connector
The 25 PIN D-SUB connector
BTP-2002NP
Pin No. Source
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Signal
Frame Ground
TXD
RXD
RTS
NC
Signal Ground
NC
DTR
NC
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User's Manual
Compatible Mode
Signal Ground
Signal Ground
Signal Ground
Signal Ground
Signal Ground
Signal Ground
Signal Ground
Signal Ground
Signal Ground
Signal Ground
Signal Ground
Signal Ground
H nlnit
P -nFault
Signal Ground
Not defined
Not defined
H nSelectIn