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Drive Numbering
Audio Alert
Duration
Frequency
Description
Long beep
3 (every 5 minutes)
• The system fan is not installed.
• The system fan is not functioning.
• The system temperature is over the threshold.
Note
The default temperature warning
threshold is 55°C. You can set the
threshold to a temperature between
55°C and 69°C using QNAP JBOD
Manager.
1 (every second)
The device is being located by QES or QNAP JBOD
Manager.
Short beep
1
• A cable connection between the device and the
host has been established.
• A cable connection between the device and the
host has been removed.
Safety Information
The following instructions help ensure personal safety and environmental safety. Read these instructions
carefully before performing any operations.
General Instructions
• The device should be stored in a secure location with restricted access, controlled through the use of a
tool, lock and key, or any means of security.
QNAP JBOD Enclosure - TL-R1620Sdc User Guide
Product Overview
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