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Extension Unit

Instructions

Model No.

WJ-HDE300/G

WJ-HDE

300

Extension Unit

Before attempting to connect or operate this product,

please read these instructions carefully and save this manual for future use.

The model number is abbreviated in some descriptions in this manual.

Summary of Contents for WJ-HDE300/G

Page 1: ...o WJ HDE300 G WJ HDE300 Extension Unit Before attempting to connect or operate this product please read these instructions carefully and save this manual for future use The model number is abbreviated in some descriptions in this manual ...

Page 2: ...t Lid 8 Replacing Mounting HDDs 9 Procedures 9 Mounting in a Rack 12 Unit Layout 12 How to Mount 13 Connections 14 Procedures 14 Setup Procedures 15 Basic Setups 15 Replacement Setup in the SINGLE mode 19 Changing Setups 20 Recovery of RAID5 Disk 22 Unit Number Check 26 Troubleshooting 27 Specifications 28 Accessories 28 ...

Page 3: ...ion data even though one of the drives is broken It is impossible to read data if 2 or more drives are broken RAID level 5 requires a minimum of 3 drives per unit When using the RAID function the logical disk size of the extension unit will be as below Logical disk size Smallest size of the disk among the disks in the extension unit x Number of the disks in the extension unit 1 The actual space ma...

Page 4: ...ning normally Red Indicates that the respective HDD is the first faulty drive among the HDDs in the unit Red blink Indicates that the respective HDD is the second or subsequent faulty drive among the HDDs in the unit Orange red alternate blink Orange Indicates that the respective drive is currently being recovered in RAID level 5 mode These indicators normally show the status of the respective dri...

Page 5: ... to the SIGNAL GND terminal of other equipment to avoid a possible ground ing loop and noise 0 Power switch POWER Turn on the power of the unit with this switch before turning on the power of the digital disk recorder or turn them on simultaneously Otherwise the HDDs will not be mounted When turning off the power of the unit with this switch turn off the power of the digital disk recorder first an...

Page 6: ... x 88 mm H x 350 mm D rubber feet exclusive 19 9 16 W x 3 7 16 H x 13 13 16 D Weight 7 2 kg 16 lbs not including hard disk drives Weight and dimensions indicated are approximate Specifications are subject to change without notice Accessories Operating instructions this document 1 pc The following are for installation Power cord 1 pc Serial cable 1 pc Rack mounting bracket 2 pcs Bracket fixing scre...

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