Bosch DVA-08K User Manual

en | Subsystem Connection and Operation

RAID Subsystem DVA-08K | Installation Manual

F.01U.027.797 | V2 | 2008.08

Bosch Security Systems

Correct SCSI termination procedures require that the last device on the SCSI bus be termi-

nated. If the last device is not terminated or if devices other than the last are terminated, 

erratic SCSI bus behavior may occur. 

An auto-detection, on-board terminator is built into the DVA-08K. You do not need to install an 

external terminator when a subsystem acts as the last device in the daisy chain configuration. 

The on-board terminator default is enabled. If the subsystem is not the last device in the daisy 

chain configuration, the terminator will be automatically disabled. Although it is not recom-

mended, if you prefer to disable the firmware setting for the on-board terminator using the 

LCD keypad panel on the subsystem, RS232C terminal session, or Bosch RAIDWatch manage-

ment software, the auto-detection function is also disabled. 

Typically, the host computer or host adapter (SCSI card inside the PC) is the first device and 

some are already terminated. When installing the DVA-08K on a SCSI bus with other devices, 

be sure to observe the above rules regarding all devices on the SCSI bus. Consult your host 

computer and/or host adapter manual for additional information on correct termination pro-

cedures.

It is recommended not to change the firmware default setting for the SCSI terminator so the 

auto-detection function can operate.