Yes, you can use it with AlphaVM-Pro. Using a SCSI-Pass-through unit you can connect a tape as well any SCSI device. To connect a SCSI tape to your host system you will need a compatible SCSI controller in your host system. Please note that RAID SCSI controllers cause problems with tape.
Virtual tape is a an emulated tape drive which stores data in a file. Such a file is called a virtual tape image. The tape image format is compatible with the SIMH VAX emulator.
It seems that there is a problem with the host SCSI Controller LSI Ultra320. Please use another controller for SCSI Pass Through. It was successfully tested with LSI 53C8xx and with Adaptec SCSI controllers.