An SCSI interface card has the following lights:
TERM POWER light
1
The TERM POWER light, which is green, is lit when an active SCSI
connection is present.
LVD/SE light
2
The LVD/SE light indicates the type of host SCSI cable. It is green, and
when lit indicates an active Low Voltage Differential (LVD) SCSI
connection. If this light is off and the TERM POWER light is on, there is an
active single-ended (SE) SCSI connection.
ACTIVE light
3
The ACTIVE light, which is green, is lit when the using system is
communicating with the SCSI Enclosure Services (SES) processor or the
disk drives.
RESET light
4
The RESET light, which is green, comes on when a Power On Reset (POR)
or a SCSI Bus Reset occurs. This light is switched off by the SES processor.
FAULT light
5
The FAULT light, which is amber, comes on if the SCSI interface card fails.
Figure 11. SCSI Interface Card Assembly Lights
Chapter 1. Using the 2104 Model DU3 or TU3
13
Summary of Contents for TU3 2104
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