TallyGenicom la650 ユーザーガイド

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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. 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
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, 
ETX/ACK
Capacity of data buffer
1024 KB max.