INFICON Maxtek PM-700 Plating Monitor - Manual (Page 55)

PM-700 SERIES PLATING MONITOR
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4.8.4 Computer Connection
A 9 pin, D shell, male connector (IBM AT type) is provided as an RS-232 serial
port. A standard 9 pin female to female RS- 232 cable is used to interface
between the Plating Monitor and a host computer. To minimize Electromagnetic
Interference, a shielded cable should be used. RS-232 connector pin assignments
are listed below.
Table 6 RS-232 Connector Pin Assignments
Pin No. Numonic Input/Output Description
1 Not used No connection
2 TX Output Transmit data
3 RX Input Receive data
4 Not used No connection
5 GND Ground Signal ground
6 Not used No connection
7 CTS Input Clear to Send
8 RTS Output Request to Send
9 Not used No connection
Figure 12 Typical RS-232 Interface Cable