INFICON Cygnus 2 Thin Film Deposition Controller - Manual (Page 49)

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Cygnus 2 Operating Manual
2.3.2.5 RS-232C Communications
RS-232C serial communications is included in the Cygnus 2 as standard
equipment. It can be used to remotely control or monitor the Cygnus 2. An industry
standard 9-pin D-Sub connector is required for the host computer side connection.
Depending on the computer source, all connections may not be necessary. The
length of the cable is limited to fifty feet according to published standards. The
Cygnus 2 interface operates as DCE (Data Communication Equipment). Pin
assignments are for the Cygnus 2 connector.
Table 2-4 RS-232C pin connections
Signal Name Pin EIA Name
TX Transmit Data 2 BA
RX Receive Data 3 BB
SG Signal Ground 5 AB
GND Shield Ground 1