ORTEC DSPEC 50 - Appendix B. Troubleshooting; MAESTRO Does Not Connect with the DSPEC 50

APPENDIX B. TROUBLESHOOTING
B.1. MAESTRO Does Not Connect with the DSPEC 50
If properly installed and functioning MAESTRO software (or other CONNECTIONS programs)
cannot find and communicate with the DSPEC 50, check for the following:
! The DSPEC 50 is not turned on.
! The Ethernet or USB cable is not properly connected.
! The Ethernet switch or USB hub is not powered on and communicating.
! DSPEC 50s are connected to the same computer via both Ethernet and USB connections. All
DSPEC 50s on the same computer must use only one of the connection methods (See
Section 3.4.)
! A locally connected DSPEC 50 was switched from the USB port to the Ethernet port, or vice
versa, without re-running MCB Configuration.
! For DSPEC 50s connected to the same computer via Ethernet and assigned static IP
addresses, ensure the computer and all DSPEC 50s are using the same Subnet Mask and that
each is assigned a valid IP address. See Section B.2.
! For networked DSPEC 50s with static IP addresses, each must have a valid IP address. See
Section B.2, and keep in mind that no two adapters in the system can have the same signifi-
cant bits in their IP address. (Usually this means if the subnet has 255 in one of its groups,
that group is significant. The actual calculation is to do a bitwise AND operation between the
IP address and the subnet mask and compare the results.) Consult your site’s IT personnel or
contact our Global Service Center.
! Check the Master Instrument List on the computer to ensure that the DSPEC 50 is on the list.
If it is not listed, shut down and restart the computer, cycle the DSPEC 50 power, then rerun
the MCB Configuration program being sure not to use the -L switch. See Section 3.5 for
more information on using MCB Configuration.
! If you cannot access the DSPEC 50 across a network, make sure the MCB Server
(MCBSer32.exe) and MCB Sockets Server (MCBServerNX.exe) programs are running on the
unit’s host computer.
For further assistance, contact your ORTEC representative or our Technical Services Group.
127