Dascom 2610 - Parallel I;O IEEE 1284

Tally Dascom 2610
97
7.3.1 Parallel I/O IEEE 1284
The bidirectional parallel interface offers the “nibble” mode of IEEE1284 interface. This
enables installation in accordance with Windows “Plug & Play”.
The standard parallel interface is able to transfer data at a speed of max. 30, 000 bytes per
second. When the receiving buffer is full, the data input is blocked until the data buffer is
empty.
Connector assignment
Connector no.
Direction
Printer–PC
Signal
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19–30
31
32
33
34–35
36
←
←
←
←
←
←
←
←
←
→
↔
↔
↔
↔
一 一 一
一
←
↔
一
←
STROBE (active low)
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
DATA 8
ACK (active low)
BUSY
PAPER EMPTY (PE)
SELECT
AUTO FEED (active low)
not used
SIGNAL GROUND
CHASSIS GROUND
5 V (Imax = 500 mA)
SIGNAL GROUND INIT
(active low) ERROR
(active low) SIGNAL
GROUND not used
SELECT IN
Transmission length: max. 2,0 m