Panasonic KX-P3626 User Manual download pdf (Page 63)

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Connector Pin Signals

STB...STROBE

• This is a synchronizing input signal to read data

into the printer.

• This signal is normally high. Data is read in

when it is tow.

DATA1-DATA8

• These are the input signals which carry the 8

data bits of information.

• The signal is read in synchronization with the

STROBE pulse. A high level indicates a logical

“1”.

ACK...ACKNOWLEDGE

• This is an output signal to the computer

indicating that the printer is ready to receive the

next data. When the condition becomes true,

the signal goes low.

• The ACK signal is automatically sent whenever

the printer is switched ON LINE and the BUSY

signal drops from high to low.

BUSY

• This output signal indicates the status on which

the printer cannot receive data.

• The signal is high under the following

conditions:

1. receive buffer full

2. printer is processing data

3. printer is OFF LINE

4. printer is in an error condition

PO...PAPER OUT

• This output signal indicates the absence of

paper and goes high during a “Paper Out"

condition.

SLCT...SELECT

• This output signal is high in the ON LINE mode

and low when OFF LINE.

• The printer enters the ON LINE mode:

1. when the printer is turned on

2. when PRIME is received

3. when the RESET command is received

4. when the ON LINE switch is pressed

• The printer enters the OFF LINE mode:

1. when the printer is out of paper

2. when the printer is switched OFF LINE

AUTO FEED XT (AFXT)

• While this input signal is low, one line feed (LF)

command will be added to each carriage return

(CR).

• Auto LF setting in the FUNCTION mode can

alter the response by the printer to an AFXT

signal. If auto LF Is ON, the printer will perform

a CR+LF regardless of the level of the AFXT

signal. When auto LF is OFF, automatic action

is disabled.

SG...SIGNAL GROUND

• The twisted pair return wires {pins 19-30) are

connected to signal ground.

FG...FRAME GROUND

• Frame ground is the same as chassis ground.

+5V

• This is for evaluation only. It should not be used

to supply power for external equipment.

PRIME

• This input signal is normally high and goes tow

to reset the printer. It can be received anytime

during printer operation.

ERROR

• This output signal is normally high, and goes

low when an error occurs. An error condition

can be caused by:

1. a “Paper Out” condition

2. the printer is OFF LINE

3. an overload condition exists

* •

SLOT IN

• This input signal is normally low, and goes high

when using the Setup disk.

Timing Chart

(When normal printing code is received)

T1...0.5ps (Min)

T2...0.5 |is (Min)

T3...0.5 ps (Min)

T4...Approx. 8 ps

T5, T6...Approx. 4 ps

T7...1 ms or less when buffer is not full

1 s or less when buffer is full

Timing diagram

1 2 ... 58 59 60 61 62 63 64 65 66 67 68 ... 75 76

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Panasonic KX-P3626 User Manual Page 63

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