Interface Specifications - Dascom T2150 User Manual

User guide

Interface specifications

Parallel interface
Type of data transmission
Transmission rate
Signal status
Connection cable
Voltage supply of external devices
on pin 18
Interface connections
Serial interface
Type
Synchronization
Transmission rate
Signal status
Connection cable
Interface connections
Transmission protocol
Capacity of data buffer
bidirectional
8-bit parallel interface (Centronics compatible) IEEE-1284;
Nibble mode
Max. 30 KHz
Low: 0.0 V to +0.4 V
High: +2.4 V to +5.0 V
Material: AWG 28 at least
Length: up to 2.0 m
Twisted-pair cable with double-shield,
acc. IEEE Std 1284 – 1294
U = +5 V ±10%
I = 0.5 A
max
Printer side: Amphenol 57-40360, 36-pin (or compatible)
Cable side: Amphenol 57-30360, 25-pin (or compatible)
RS232C interface
Asynchronous
600 bauds to 19,200 bauds
OFF = Mark = log. 1 = -3 V to -15 V
ON = Space = log. 0 = +3 V to +15 V
Length up to 15 m
ITT Cannon connector, series DB-25 S
XON/XOFF, ENQ/STX, READY/BUSY,
Robust XON/XOFF, ACK/NAK, ETX/ACK
128 KB max.
Specifications
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