Interface specifications, Interface, Specifications – Dascom LA550W User Guide User Manual
Page 120: Interface specificati
User guide
Specifications
112
Interface specifications
Parallel interface
bidirectional
Type of data transmission
8-bit parallel interface (Centronics compatible)
IEEE-1284; Nibble mode
Transmission rate
Max. 12 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
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-9 S
Transmission protocol
XON/XOFF, Robust XON/XOFF
Capacity of data buffer
64 KB max.