Rohde & Schwarz 1065.6000.20, Operating Manual

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Contents - Maintenance and Instrument Interfaces FSE
1065.6016.12 8.22 E-15
Printer Interface (LPT)
The 25-pin LPT connector on the rear panel of the FSE is provided for the connection of a printer.. The
LPT interface is compatible with the CENTRONICS printer interface.
1
14
13
25
D0
D1
D2
D3
D4
D5
D6
D7
ACK
BUSY
PE
SELECT
STROBE
AUTOFEED
ERROR
INIT
SELECT IN
GND
GND
GND
GND
GND
GND
GND
GND
Pin Signal Input (I)
Output (O) Description
1 STROBE O Pulse for transmitting a data byte, min. 1µs pulse width
(active LOW)
2 D0 O Data Line 0
3 D1 O Data Line 1
4 D2 O Data Line 2
5 D3 O Data Line 3
6 D4 O Data Line 4
7 D5 O Data Line 5
8 D6 O Data Line 6
9 D7 O Data Line 7
10 ACK I Indicates that the printer is ready to receive the next byte.
(active LOW)
11 BUSY I Signal is active when the printer cannot accept data.
(active HIGH)
12 PE I Signal is active when the paper tray is empty.
(active HIGH)
13 SELECT I Signal is active when the printer is selected.
(active HIGH)
14 AUTOFEED O When signal is active, the printer automatically performs a
linefeed after each line.
(active LOW)
15 ERROR I This signal is high when the printer has no paper, is not
selected or has an error status.
(active LOW)
16 INIT O Initialise the printer.
(active LOW)
17 SELECT IN O If signal is active, the codes DC1/DC3 are ignored by the
printer.
(active LOW).
18 - 25 GND Ground connection.
Fig. 8-6 Pin assignments for the LPT connector.