Interfacing, Parallel interfacing, Specifications – Panasonic KX-P 1131 User Manual
Page 40: Timing chart, Serial interfacing
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Interfacing
This information should be provided to the company from which you are purchasing the interface cable to ensure
the proper wiring of the cable.
Parallel Interfacing
A method of transferring data from a computer to a printer through a parallel interface is based on the Centronics
Standard.
Specifications:
___
• Data transfer speed: 1000 cps minimum
• Synchronization: External STROBE pulse
• Logic levels: TTL (Transistor-Transistor-Logic)
levels
18 1
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Parallel Interface Connector (printer side)
Timing Chart
(When normal printing code is received)
T1 . .
T2 . .
T3 . .
T4 . .
T5, T6
T7 . .
0,5 ps (Min)
0.5 ps (Min)
0.5 ps (Min)
Approx. 8 ps
Approx. 4 ps
1 ms or less when buffer is not full
1 s or less when buffer is full
Timing Diagram
•Handshaking: BUSY and ACK signals
• Connector type: 57-30360 (AMPHENOL) or
equivalent
• Cable: Use a shielded cable 1.95 m (6'5") or less in
length.
Signal
pin
Return
side pin
Signal
Direction
1
19
wxB
Input
2
20
DATAI
3
21
DATA 2
4
22
DATA3
5
23
DATA 4
6
24
DATAS
7
25
DTAT6
8
26
DATA 7
g
27
DATAS
10
28
ÂCK
Output
11
29
BUSY
12
PO
13
SLOT
14
AUTO FEED XT
Input
15
16
SG
17
FG
18
+5 V
Output
31
30
PRIME
Input
32
ERROR
Output
33
34
35
36
SLOT IN
Input
Pin Configuration
Serial Interfacing
Cable: Use a shielded cable 1.95 m (6'5") or less in
length.
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40
Serial Interface Connector (printer side)
Signal pin
Signal
Direction
1
FG
2
TXD
OUTPUT
3
RXD
INPUT
7
SG
20
DTR
OUTPUT
Pin Configuration