Tally T2265 SprintPro, Maintenance Manual

Page: 15 / 178

2.2
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 no. 28 at least
Length up to 2.5 m
Twisted-pair cable with double-shield,
acc. IEEE Std 1284 – 1294
Interface connections Printer side Amphenol 57-40360
(or compatible)
Cable side Amphenol 57-30360
(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.
Specifications Interface Specifications
2-5