Interfacing; Parallel Interfacing; Serial Interfacing - Panasonic KX-P1131 Operating Instructions Manual

40
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
~ 8
' ! /
000000000000000000
000000000000000000
~ 19
Parallel Interface Connector (printer side)
Timing Chart
(When normal printing code is received)
DATAl-8
STB
BUSY
ACK
-
-l
'--
T1 T2
-,
T1 . 0.5 ~s (Min)
T2 . 0.5
~s
(Min)
T3 . 0.5 ~s (Min)
T 4 . Approx. 8
~s
T5, T6 . Approx. 4
~s
T5 T6
~-t-
I
T3
-
r-
T7 T4
T7 . . .
1 ms
or
less when buffer
is
not full
1 s or less when buffer is full
Timing Diagram
Serial Interfacing
r - -
• Cable: Use a shielded cable 1.95 m (6'5") or less in
length.
Serial Interface Connector (printer side)
• 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
Return
Signal Direction
pin
side pin
1 19 STB
2 20 DATA 1
3
21 DATA 2
4 22 DATA 3
Input
5
23 DATA 4
6 24 DATA 5
7 25 OTAT6
8
26 DATA 7
9 27 DATA 8
10 28 ACK
11 29 BUSY
Output
12 PO
13 SLCT
14 AUTO FEEDXT
Input
15
16 SG
17 FG
18
+5V
Output
31 30 PRIME
Input
32 ERROR
Output
33
34
35
36 SLCTIN
Input
Pin Configuration
Signal pin Signal Direction
1
FG
2 TXD OUTPUT
3 RXO INPUT
7
SG
20 OTR OUTPUT
Pin Configuration