2.2.5.2 External SCSI Terminations

If you are making external SCSI device connections on your host adapter, you must terminate the last external device on the SCSI bus. Termination on all other devices must be disabled. Termination on your host adapter is automatically enabled in this case if there are no internal devices connected through J4.

Figure 2.13 shows an example of how termination is determined for this SCSI bus configuration on your host adapter.

Figure 2.13 External SCSI Device Termination

Last Device on

Chain-Termination

Enabled

Does Not End

Chain-Termination

Disabled

Host Adapter

Automatically

Terminated

Detailed Installation Procedure

2-17

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