IBM EGX-400 - Manual (Page 146)

142 Chapter 9 - Appendix
9-6. Specifications
Interface Specifications
Parallel Connector
Serial Connector
Expansion Connector 1
Terminals
This circuit is activated when the spindle motor is in operation.
No responsible is assumed for effects to which any equipment connected to this external output connector is subjected.
Compatible plug
Use only a triple-contact plug of the size
described above.
◆ Use within the rated range shown above.
◆ Do not apply voltage greater than 24 V to the terminal.
◆ Do not short the terminal to ground.
Do not use terminal ➂. Use only terminals
➀ and ➁.
+24V
100
Ω
/ 2W
If (max) = 1A
Ic (max) = 150mA
Standard
Input signal
Output signal
I/O signal level
Transmission method
In compliance with the specification of Centronics
STROBE (1BIT), DATA (8BIT)
BUSY (1BIT), ACK (1BIT)
TTL level
Asynchronous
Standard
Transmission method
Transmission speed
Parity check
Data bits
Stop bits
Handshake
RS-232C specification
Asynchronous, duplex data transmission
4800, 9600, 19200, 38400
Odd, Even, None
7 or 8 bits
1 or 2 bits
Hardware or Xon/Xoff