Dascom T5040 User Guide Manual de usuario Pagina 136

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Interfaces User Guide
128
Parallel interface The bidirectional parallel interface offers the so called “nibble” and the
ECP mode of the IEEE1284 interface standard. This enables installa-
tion 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 in-
put is blocked until the data buffer is empty. This guarantees data trans-
mission in blocks of 1 KB.
Connector assignment
Nibble Mode
Pin Signal In/Out Pin Parallel In/Out
1 nSTROBE In 19 Signal GND
2 DATA0 In 20 Signal GND
3 DATA1 In 21 Signal GND
4 DATA2 In 22 Signal GND
5 DATA3 In 23 Signal GND
6 DATA4 In 24 Signal GND
7 DATA5 In 25 Signal GND
8 DATA6 In 26 Signal GND
9 DATA7 In 27 Signal GND
10 nACK Out 28 Signal GND
11 BUSY Out 29 Signal GND
12 PE Out 30 Signal GND
13 SELECT Out 31 nINIT In
14 nAUTOFEED Out 32 nERROR Out
15 NC 33 Signal GND
16 Signal GND 34 NC
17 Chassis GND 35 +5V DC Out
18 +5V DC Out 36 nSELECT IN In
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