©Newport Corporation
MKS Spectra-Physics Confidential
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Computer Requirements (Cont’d)
Ethernet
Quasar is configured with static IP address and supports terminal operation via
TCP/IP. refer to instructions for your laptop on configuring this interface:
(Turning the key switch to the off position will reveal the IP address on the
LCD.)
Static IP: 193.168.0.50
Port: 3000
SERIAL COM connector (9-pin, D-sub, male)
Used in conjunction with the LASER CONTROL input to control the laser
system. Alternatively, the USB port (see below) can be used instead. Refer to
Appendix A, “Serial Command Interface,” for instructions on controlling the
laser using the serial command language. The USB port is the recommended
means of providing serial control. Use a standard 9-pin serial cable (M/F) to
connect your control device (e.g., a computer) to this RS-232 serial connector.
Only three of the nine pins are used. Refer to the pin descriptions in Table 1-5.
Table 1-5 IBM/PMAT Serial
Computer or Terminal
QPS
RS-232-C -Signal Name
Signal
Pin No. (9-Pin)
Pin No.
Signal
Transmit data
TXD
3
3
RXD
Receive data
RXD
2
2
TXD
Signal ground
5
5
Protective ground
SHELL
SHELL
