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Interface specifications, See interface specifications, Interface – Dascom T2150 User Guide User Manual

Page 123: Specifications, Inter, Face specifications, Interface specificati

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User guide

Specifications

113

Interface specifications

Parallel interface

bidirectional

Type of data transmission

8-bit parallel interface (Centronics compatible) IEEE-1284;
Nibble mode

Transmission rate

Max. 30 KHz

Signal status

Low:

0.0 V to +0.4 V

High:

+2.4 V to +5.0 V

Connection cable

Material:

AWG 28 at least

Length:

up to 2.0 m

Twisted-pair cable with double-shield,
acc. IEEE Std 1284 – 1294

Voltage supply of external devices
on pin 18

U = +5 V ±10%

I = 0.5 A

max

Interface connections

Printer side: Amphenol 57-40360, 36-pin (or compatible)

Cable side: Amphenol 57-30360, 25-pin (or compatible)

Serial interface

Type RS232C

interface

Synchronization Asynchronous

Transmission rate

600 bauds to 19,200 bauds

Signal status

OFF = Mark = log. 1 = -3 V to -15 V

ON = Space = log. 0 = +3 V to +15 V

Connection cable

Length up to 15 m

Interface connections

ITT Cannon connector, series DB-25 S

Transmission protocol

XON/XOFF, ENQ/STX, READY/BUSY,

Robust XON/XOFF, ACK/NAK, ETX/ACK

Capacity of data buffer

128 KB max.

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