5: Technical Information
77
Monitor Power Connector
Type: IEC 230V, 1A (a.c.)
Output: Voltage - same as the input to the computer.
Current - 1A maximum.
Serial Connector
At the back of your C-Series computer is the serial connector:
RS232C asynchronous, 9-way male D-type connectors. The 9-pin
plug wiring is the same as an IBM serial adapter for the IBM PC-
AT, giving an RS232-like interface.
Pin
Number
Function Direction
1 DCD + carrier detect to computer
2 RX - received data to computer
3 TX - transmitted data from computer
4 DTR + data terminal
ready
from computer
5 GND signal ground not applicable
6 DSR + data set ready to computer
7 RTS + request to send from computer
8 CTS + clear to send to computer
9 RI + ring indicator to computer
+ indicates active high
- indicates active low
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