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Figure 2–2: DS-DWZZH-05 Rear View
W1
ZK-1448U-AI
2.5 SCSI Bus Termination Power
Each host adapter connected to a DS-DWZZH-05 UltraSCSI hub port must
supply termination power (termpwr) to enable the termination resistors on
each end of the SCSI bus segment. If the host adapter is disconnected from
the hub, the port is disabled. Only the UltraSCSI bus segment losing
termination power is affected. The remainder of the SCSI bus operates
normally.
2.6 DS-DWZZH-05 Indicators
The DS-DWZZH-05 has two indicators on the front panel (see Figure 2–1).
The green LED indicates that power is applied to the hub. The yellow LED
indicates that the SCSI bus is busy.
2.7 Configuring a Cluster with a DS-DWZZH-05
The following sections discuss how to configure a DS-DWZZH-05 UltraSCSI
hub in a TruCluster configuration.
2–6 Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration