Mitsubishi Electronics DX ZD6UE User Manual

HDD Extension Unit  
INSTALLATION AND OPERATION MANUAL  
MODEL  
DX-ZD6UE  
THIS INSTRUCTION MANUAL IS IMPORTANT TO YOU. PLEASE READ IT BEFORE USING YOUR HDD EXTENSION UNIT.  
Caution and care  
HEAVY OBJECTS SHOULD NEVER BE PLACED ON THE UNIT (E.G., MONITOR)  
NEVER TOUCH OR INSERT ANY OBJECT INSIDE THE UNIT  
Touching the inside of the cabinet or inserting foreign objects of any kind through the ventilation holes not only creates a safety  
hazard but can also cause extensive damage.  
PROTECT THE POWER CORD  
Damage to the power cord may cause fire or shock hazard. If the mains cord is damaged, turn OFF the MAIN switch and care-  
fully unplug the cord by holding the mains plug.  
If this unit is moved with the power on status, the HDDs may be damaged. Ensure that more than one minute have passed since  
the power cord and the connecting cords were disconnected, then move this unit.  
UNPLUG THE POWER CORD DURING A LONG ABSENCE  
Turn off the power and unplug the power cord during a long absence.  
MAINTAIN GOOD VENTILATION  
Do not obstruct the many ventilation holes on the unit. For maximum ventilation, leave some space around the unit and place  
the unit on a hard level surface only, and ensure it is not covered during use. Heavy objects should never be placed on the unit.  
WHEN NOT IN USE  
When not in use, always turn OFF the MAIN switch.  
CABINET CARE  
Never use petroleum-based cleaners. They may cause deterioration or coat flaking of the unit. Clean with a soft cloth moistened  
with soap and water and wipe dry.  
When using chemical duster, follow the instructions.  
INSTALLATION LOCATION  
For excellent performance and lasting reliability install in a location that is:-  
1. Well ventilated, out of direct sunlight and away from direct heat.  
2. A solid vibration-free surface.  
3. Free from high humidity, excessive dust and away from magnetic fields.  
4. Please ensure that the ventilation fan located on the unit’s back panel is not blocked.  
UNSUITABLE LOCATIONS  
Placing the unit in the following places might shorten the product life:  
Extremely cold places, such as refrigerated warehouses and ice houses  
Places where excessive hydrogen sulfide is likely to be generated, such as hot-springs areas  
Places or locations with salt air environment.  
NO OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, SHALL BE PLACED ON THE APPARATUS.  
DO NOT PLACE HEAVY OBJECT ON THIS UNIT.  
DO NOT STEP ONTO THIS UNIT.  
WARNING:  
TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.  
THIS APPARATUS MUST BE GROUNDED.  
This unit complies with the requirements of the EC Directive 2004/108/EC, “EMC Directive” and 2006/95/EC, “Low Voltage Di-  
rective”. The requirements for the susceptibility according to EN 55024 and the requirements for interference according to EN  
55022 are observed for the operation on residential areas, business, light industrial premises and in small scale enterprises,  
inside as well as outside of the building. All places of operation are characterised by their connection to the public low voltage  
power supply system. This unit is manufactured in accordance with EN 60950-1.  
Note: This symbol mark is for EU countries only.  
This symbol mark is according to the directive 2002/96/EC Article 10 Information for users and Annex IV.  
Your MITSUBISHI ELECTRIC product is designed and manufactured with high quality materials and compo-  
nents which can be recycled and reused.  
This symbol means that electrical and electronic equipment, at their end-of-life, should be disposed of separately  
from your household waste.  
Please, dispose of this equipment at your local community waste collection/recycling centre.  
In the European Union there are separate collection systems for used electrical and electronic product.  
Please, help us to conserve the environment we live in!  
WARNING:  
The power cords for use in the U.S., the continent of Europe, and U.K. are included with this unit.  
Use the appropriate one for your country.  
The power cord for use in the U.S. is used for 120V only. Never connect to any outlet or power suply  
having a different voltage or frequency.  
2
MAINS LEAD CONNECTION  
The mains lead on this Unit is fitted with a non-rewireable mains plug, incorporating a 5A fuse. If you need to replace the fuse,  
use a 5A fuse approved by BSI or ASTA to BS 1362, ensuring you refit the fuse cover. If the mains plug is not suitable for the  
sockets in your home, and you require to remove the plug, remove the fuse, cut off the plug then dispose of the plug immedi-  
ately, to avoid a possible electric shock hazard. To refit a new plug, follow these instructions; Green-and-yellow: Earth, Blue:  
Neutral and Brown: Live. As the colours in the mains lead of this Unit may not correspond with the coloured markings identify-  
ing the terminals in your plug, proceed as follows.  
The wire which is coloured green-and-yellow must be connected to the terminal in the plug which is marked by the letter E  
or by the safety earth symbol or coloured green or green-and-yellow.  
The wire which is coloured blue must be connected to the terminal which is marked with the letter N or coloured black.  
The wire which is coloured brown must be connected to the terminal which is marked with the letter L or coloured red.  
Before you start recording important images, make sure to perform trial recording to ensure that images are properly record-  
ed. Mitsubishi assumes no resonsibility or reliability for any loss of recorded data and any failure of playback data arising out  
of malfunction of this unit or the connected device. It is recommended that backups of important recordings are made regu-  
larly as a precaution against possible breakdowns and accidents.  
This unit uses a hard disk, which is a precision device. Please handle this unit with sufficient care.  
Do not subject this unit to vibrations or shocks. Vibrations and shocks may cause trouble especially while the recorder is  
on or the hard disc drive is being accessed.  
Do not disconnect the power plug or the USB cable while the power of the unit is turned on or while recording or playing.  
It is recommended to ask for inspection every one year for early detection of failure.  
Do not move this unit at least one minute after the power is turned off.  
If the power plug is disconnected or the breaker switch is turned off during recording, HDD may be damaged or playback  
of recorded data may become impossible.  
If the breaker switch is turned on and off everyday, set the timer recording to be performed only for the period that the  
breaker is on and do not turn off the breaker during recording.  
It is recommended to check periodically that recording is performed successfully by playing back the recorded data.  
The HDD and cooling fan of this unit are driving parts. For stable recording, it is recommended that both of these parts are  
replaced every 30,000 hours.  
(This interval is for reference purpose only and does not indicate the warranty period of the parts.)  
INSTALLATION LOCATION AND HANDLING  
Do not plug this unit into the same outlet which is being used for other large power consuming equipment such as a copying  
machine and air conditioner.  
Do not place this unit close to other equipment to prevent adverse interference between them.  
Do not place this unit close to strong magnetized objects. They may cause effects on the images or loss of recorded data.  
Never apply volatile substances such as insecticides and do not put rubber- or plastic-products on the unit for a long period.  
They may cause deterioration of this unit or flaking of the coating.  
Install the unit within the allowable ambient temperature range (5 °C to 40 °C) and relative humidity range (less than 80%).  
Using this unit out of these ranges may adversely affect the internal parts or cause malfunction. When the temperature of the  
HDD rises high, its performance may deteriorate or its lifetime may be shortened. When using this unit at a low temperature,  
turn on the power and wait for 10 minutes or more before use.  
WHEN MOVING THIS UNIT  
When you move this unit, make sure to turn off the power and unplug. When a strong shock is applied to this unit while it is  
on, the electronic parts inside the unit may be damaged. Take care especially while the ACCESS indicator is illuminating.  
When you move this unit, wrap it with cushions to avoid shock to the internal parts.  
COPYRIGHT  
This unit records images digitally. When recording copyrighted images, be careful not to infringe their copyrights.  
Disclaimer  
In any event, Mitsubishi assumes no responsibility or reliability for the following:  
1. Disassembly, repair, or alteration of this unit by user or installer.  
2. Failure or breakdown in or damage to this unit resulting from misuse or careless handling by user or installer.  
3. Inconvenience or damages arising out of inability to display or record images due to any reason or cause other than break-  
down or failure in this unit.  
4. Failure in this unit due to combination with other equipment manufactured by a third party or inconvenience or damages  
resulting from such failure.  
5. Inconvenience, damages, or claims arising out of breakdown in this unit or loss of recorded video data due to replacement  
of the HDD by user or installer.  
6. Inconvenience or damages arising out of breakdown in this unit or inability to display or record images due to natural dis-  
aster including earthquake and storm.  
7. Inconvenience, damages, or claims arising out of breakdown in this unit or loss of recorded video data due to impact or  
vibration to the HDD or an environmental factor such as temperature at the installation site.  
8. Demand for damages or other claim of infringement of privacy if the images monitored or recorded by user become public  
or are used for any purpose other than surveillance for whatever reason.  
3
Features/Contents  
Features  
HDD extension unit having a large-capacity hard disc drive (HDD)  
This unit is equipped with a high-reliability, high-speed, and large-capacity hard disc drive.  
HDD operation mode  
Among 2 HDD operation modes of spanning and mirroring, you can select the desired one.  
Power linkage function  
The power of this unit can be turned on/off by linking with the connected MITSUBISHI digital recorder's power supply.  
Warning function  
This unit is equipped with the terminal for informing of abnormal temperature rise and HDD error.  
Direct connection with a personal computer  
You can connect this unit to a personal computer directly via a USB cable and playback the data recorded by this unit on the  
personal computer using the special playback software. Consult your dealer for the special playback software.  
The name of this unit is shown on the personal computer as follows.  
ID number (specified by the ID rotary switch on this unit)  
HDD UNIT ID  
S
**  
HDD operation mode (specified by the MODE rotary switch on this unit)  
M ...... Mirroring mode  
S......... Spanning mode  
Contents  
Replacing the HDD .........................................................14  
Precautions for replacing the HDD ................................ 14  
Removing the HDD........................................................ 14  
Attaching the HDD......................................................... 16  
Important safeguards................................................... i-iv  
Caution and care ..............................................................2  
Features ............................................................................4  
Contents............................................................................4  
Troubleshooting .............................................................18  
Diagnosis by HDD indicators......................................... 18  
Troubleshooting............................................................. 19  
Maintenance .................................................................. 19  
Major operations and their functions .............................5  
Front view ........................................................................ 5  
Rear view......................................................................... 6  
Connections........................................................................8  
Specifications...................................................................20  
Connectable recorders .................................................... 8  
Connection example........................................................ 8  
Connection to link the power supply of the recorder  
and this unit.................................................... 8  
How to read this manual  
Viewing displays  
Precautions for connection......................................... 9  
Startup ........................................................................... 10  
Tips  
(Refer to this information when operating):  
Reference information concerning operation  
Setting the ID number of this unit...................................11  
Notice  
(Caution required):  
Setting the ID number of this unit ...................................11  
Cautionary items concerning operation  
(See reference page):  
Setting the mode of this unit...........................................12  
HDD operation mode..................................................... 12  
Mode selection............................................................... 12  
Reference item and page number  
Warning  
This is a class A product. In a domestic environment this product may cause radio interference in which case the user may be  
required to take adequate measures.  
4
Major operations and their functions  
Front view  
2
1
3
4
1
2
POWER indicator  
When the EXTERNAL CONTROL switch is set to OFF  
or it is set to ON with the connected recorder turned  
on, this indicator illuminates while the MAIN switch on  
the rear panel is turned on.  
HDD1, HDD2 indicators (ACCESS indicators)  
While HDD 1 or HDD 2 is being accessed, the  
corresponding indicator momentarily blinks green.  
They keep blinking during recording/copying of data.  
In case of an error, they blink or illuminate red. (  
See page 18.)  
3
4
TEMP indicator  
Illuminates when the internal temperature of this unit  
becomes high.  
FAN indicator  
Illuminates when the fan stops.  
5
Major operations and their functions (continued)  
Rear view  
1
2
3
4
5
6
7
8
TEMP ALM terminal  
1
2
MAIN switch  
This is the main power switch. When using this unit,  
set this switch to ON.  
Terminal for informing of high internal temperature.  
FAN ALM terminal  
Terminal for informing of abnormality of the fan.  
AC power socket  
HDD ALM terminal  
Used to connect the power cord. Earth terminal is used  
for safety. Make sure to use the 100 to 240 V plug with  
earth for the power of this unit.  
Terminal for informing of abnormality of the HDD.  
4
EXTERNAL CONTROL switch  
Notice  
Set this switch to ON (left side) to turn on and off the  
power of this unit linking with the recorder’s switch.  
When not linking with the recorder, set this switch to  
OFF (right side).  
When the power outlet does not have an earth  
terminal, ask your dealer for the earth work (pay  
service). Never connect the earth terminal of the  
power plug to a gas pipe, water pipe, conductor rod,  
and so on.  
Notice  
When the EXTERNAL CONTROL switch is set to ON,  
make sure to perform “Connection to link the power  
Use the supplied AC power cord.  
supply of the recorder and this unit” on  
page 8.  
Make sure to plug this unit into the outlet of the same  
power line that is used for the recorder connected.  
When this unit is plugged into the outlet of other line,  
recording or copying will not be resumed correctly  
after a power failure.  
When the recorder is turned on, this unit is turned on  
at the same time.  
It is recommended to link this unit with the recorder  
in order to allow the internal hard disks to rest or to  
properly handle a problem, if occurs.  
3
I/O terminals  
5
6
7
8
CONT IN terminal  
Reserved.  
CONT IN terminal  
Terminal for inputting the power on/off status of the  
recorder. Connect this terminal with the DC 12V OUT  
terminal on the rear of the recorder.  
CONT OUT terminal  
Reserved.  
CONT OUT terminal  
Terminal for outputting the power on/off status of  
the recorder. When using multiple number of HDD  
extension units and using the power on/off linkage  
function, connect this terminal with the CONT IN  
terminal on the rear of the HDD extension unit to be  
connected.  
SERIAL BUS IN port  
Port for connecting with the recorder.  
SERIAL BUS OUT ports  
Ports for connecting with another DX-ZD6UE when  
using multiple number of DX-ZD6UE.  
GND terminals  
They are the common GND terminals. When using the  
power on/off linkage function, connect this terminal  
with the GND terminal on the rear of the recorder.  
6
Notice  
It is impossible to supply 5V DC power from this port.  
Do not connect any devices other than DX-ZD6UE to  
these output ports.  
7
Connections  
Connectable recorders  
MITSUBISHI DIGITAL RECORDER  
DX-TL5000 series (DX-TL5000U, DX-TL5000E, DX-TL5000UA, DX-TL5000E400, DX-TL5000E(Z))  
DX-TL4500 series (DX-TL4516E, DX-TL4516E(Z), DX-TL4516U, DX-TL4509E, DX-TL4509E(Z), DX-TL4509U)  
The above stated models are connectable as of October 2007. Consult your dealer for the connection with other recorders.  
Connection example  
Connect this unit and a digital recorder by using the supplied USB cable.  
You can connect multiple DX-ZD6UE as shown below.  
Digital recorder DX-TL5000E400 (example)  
AUDIO IN  
IN  
OUT  
VIDEO  
VIDEO  
1
2
3
4
5
6
7
8
1
3
2
4
OPTION SLOT  
Y/C  
CAMERA  
OUTPUT  
A
OUTPUT  
B
OUT  
IN  
CLAMPER  
AUDIO  
CASCADE  
IN  
OUT  
OUT  
IN  
9
10  
11  
12  
13  
14  
15  
16  
AUDIO OUT  
LAN-B  
VIDEO CASCADE  
SERIAL BUS SERIAL BUS  
LAN-A  
CLAMPER  
This unit  
100  
STORAGE  
10 100  
10  
RESET  
COM  
AC IN~  
ALARM OUT  
ALARM IN  
P
T
Z
GND  
RS-232C  
RS485  
OUT  
RS485  
IN  
MAIN  
100-240V  
OFF ON  
To SERIAL BUS  
IN port  
To SERIAL BUS  
OUT port  
To SERIAL BUS port  
To SERIAL BUS IN port  
Supplied USB cable  
Supplied USB cable  
Connection to link the power supply of the recorder and this unit  
Set the EXTERNAL CONTROL switch to ON (left side) and connect the terminals as shown below. It is recommended  
to link this unit with the recorder’s power supply.  
To resume recording or copying after a power failure during normal recording or timer recording, plug this unit into the  
outlet of the same power line that is used for the recorder connected.  
Digital recorder DX-TL5000E400 (example)  
This unit  
8
Precautions for connection  
Notice  
When connecting 5 or more HDD extension units (with 2 HDDs mounted on each unit) to the digital recorder, you are  
recommended to use USB cable as illustrated below to prevent recognition error of digital recorder due to different  
start-up times among HDDs.  
Furthermore, before you start operation or when the power restores from a power failure, check that the HDDs are  
recognized correctly even when a small number of HDD extension units are connected.  
Digital recorder  
IN  
IN  
This unit  
This unit  
OUT  
OUT  
IN  
IN  
IN  
IN  
This unit  
OUT  
This unit  
This unit  
This unit  
OUT  
OUT  
OUT  
IN  
IN  
IN  
IN  
This unit  
This unit  
This unit  
This unit  
OUT  
OUT  
OUT  
OUT  
IN  
IN  
IN  
IN  
This unit  
This unit  
This unit  
This unit  
* When 2 serial bus ports are used.  
The EXTERNAL CONTROL switch is set to ON by default. In this status, this unit does not work even though you  
connet the power cord and set the MAIN switch to ON.  
Connect this unit and the recorder as “Connection to link the power supply of the recorder and this unit” on  
10.  
page  
Tips  
The available number of HDD extension units to be connected varies depending on the recorder connected. Check the  
specification of the recorder.  
You cannot connect 6 or more HDD extension units in series using serial bus.  
The number of serial bus ports varies depending on the digital recorder connected. For stable recording, it is  
recommended to use the ports of the recorder as many as possible to avoid branch connection of the extension units.  
9
Connections (continued)  
Startup  
Step  
1 Turn ON the MAIN switch on the rear of this unit.  
Step  
2 Turn on the MAIN switch on the rear of the recorder.  
• The POWER indicator of this unit illuminates when the power supply of this unit is not linked with the recorder.  
Step  
3 After “POWER OFF” is displayed on the LCD of the recorder, press the POWER button on the front panel of  
the recorder.  
• The indicators of HDD 1 and HDD 2 on the front panel of this unit momentarily blink green.  
• When the power supply of this unit is linked with the recorder, you can turn on the power of this unit by pressing the  
POWER button on the front panel of the recorder.  
• When the power of the recorder is turned on, the connection is completed.  
Tips  
For the operation of the recorder, refer to the installation and operation manual supplied with the recorder.  
10  
Setting the ID number of this unit  
Setting the ID number of this unit  
Step  
1 Turn OFF the MAIN switch on the rear of this  
unit.  
Step  
2 Remove the cover of this unit according to steps  
1 to 3 of “Removing the HDD” on  
page 14.  
• The ID number is set using the ID rotary switch  
inside the cover.  
Inside the front cover>  
ID rotary switch  
Step  
3 Set the ID rotary switch to the desired number.  
• The ID number set in this step is displayed on the  
digital recorder's menu screen that is used to register  
the device.  
ID number  
ID  
Spanning  
operation  
Mirroring  
operation  
rotary switch  
ID00S  
ID01S  
ID02S  
ID03S  
ID04S  
ID05S  
ID06S  
ID07S  
ID08S  
ID09S  
ID10S  
ID11S  
ID12S  
ID13S  
ID14S  
ID15S  
ID00M  
ID01M  
ID02M  
ID03M  
ID04M  
ID05M  
ID06M  
ID07M  
ID08M  
ID09M  
ID10M  
ID11M  
ID12M  
ID13M  
ID14M  
ID15M  
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Step  
Step  
4 Attach the cover of this unit according to steps 9  
to 11 of “Attaching the HDD” on page 17.  
5 Turn ON the MAIN switch on the rear of this unit.  
11  
Setting the mode of this unit  
Mode selection  
HDD operation mode  
This unit has 2 HDD operation modes as described below.  
Spanning mode  
Step  
Step  
1 Turn OFF the MAIN switch on the rear of this  
unit.  
2 Remove the cover of this unit according to the  
steps 1 to 3 of “Removing the HDD” on  
14.  
This mode regards and uses 2 built-in HDDs as 1 HDD. The  
total data capacity of 2 HDDs is available.  
page  
Notice  
• The mode is set using the MODE rotary switch inside  
the cover.  
When either of the HDDs fails in the spanning mode,  
both of the HDDs become unusable and the recorded  
data are deleted.  
Inside the front cover>  
Mirroring mode  
This mode records the same data to 2 built-in HDDs  
simultaneously.  
MODE rotary switch  
Even when either of the HDDs fails, by replacing the failed  
HDD, the data stored in the other HDD are automatically  
copied to the newly mounted HDD and the HDDs  
are restored to the condition before the failure. (Data  
synchronization)  
Step  
3 Set the MODE rotary switch to 7.  
• Before you change the HDD operation mode,  
delete the management information according to  
steps 3 to 5. You may skip these steps when you  
mount an unused HDD. When you mount a used  
HDD, the HDD cannot be used properly unless the  
management information is deleted before changing  
the HDD operation mode.  
Synchronization of 500-GB data takes about 8 hours. This  
time is approximate and given as a guide only, assuming  
that this unit performs no other operations during the data  
synchronization. Therefore, a longer time is required for  
the data synchronization when the unit is in the playback or  
recording mode.  
Step  
Step  
4 Press the RESET button.  
5 After the unit boots up and the buzzer sounds,  
press the TEST button.  
When the data synchronization is interrupted by the  
operation such as power-off, the unit resumes the  
synchronization after the power is restored.  
• The management information deletion function is  
activated and the ACCESS indicator starts blinking.  
Upon completion of the deletion, the indicator  
illuminates green.  
Notice  
When you replace the failed HDD in the mirroring  
mode, make sure to use an unused HDD. If you mount  
a used HDD, delete the management information of  
that HDD. (See “How to set the mode” on the right  
column.) If you mount a used HDD without deleting  
its management information, the data synchronization  
may not be performed correctly. (Do not delete the  
management information with the existing normal HDD  
mounted because the data is deleted.)  
Step  
6 Set the MODE rotary switch to the number  
corresponding to the desired operation mode.  
HDD operation  
mode  
MODE  
rotary switch  
Do not use.  
Spanning  
0
1
2
3
4
5
6
7
8
9
Mirroring  
Do not use.  
Do not use.  
Do not use.  
Do not use.  
Do not use.  
Do not use.  
Do not use.  
12  
Step  
Step  
7 Attach the cover of this unit according to steps 9  
to 11 of “Attaching the HDD” on page 17.  
8 Turn ON the MAIN switch on the rear of the unit.  
13  
Replacing the HDD  
Precautions for replacing the HDD  
Removing the HDD  
Notice  
WARNING  
Do not remove the top cover of the unit.  
Make sure to turn the MAIN switch on the rear of this  
unit to OFF before attaching or removing the HDD.  
Notice  
Step  
Before you replace the HDD, read "Important  
safeguards" on pages i to iv and "Caution and  
1 Push the left end of the screw covers on both  
sides of the cover to open.  
Care" on pages 2 and 3 again.  
Notice  
Do not attach or remove the HDD unnecessarily.  
Attaching or removing the HDD of this unit is intended  
for replacing a failed HDD, not for use as a removable  
HDD.  
Do not leave the screw cover open for general use.  
Make sure that the MAIN switch on the rear panel is  
turned OFF when attaching or removing the HDD. Wait  
at least 1 minute after turning off the power. When a  
recorder is connected, turn off the recorder, too.  
When a power failure occurs during recording, avoid  
adding, replacing or transporting the HDD. In case of  
a power failure, as the recorded data may be erased,  
turn the power back on to boot up the unit with the  
HDD that was being used at the time of the power  
failure attached. Then add, replace or transport the  
HDD.  
Step  
2 Remove the screws.  
When the USB cable connected to this unit is  
disconnected or a power failure occurs only with this  
unit, data is recorded to other HDD unit in order to  
continue recording.  
HDD is very delicate. Handle the HDD with care and  
follow the precautions below because even a slight  
shock may damage the internal components of the  
HDD.  
Step  
3 Remove the front covers.  
• Remove the cover on the right side first.  
• Then, push the left cover to the right to remove.  
• Do not drop the HDD. Also, do not put a metallic  
object such as a coin or a screw driver into the  
HDD tray.  
• Gently place the HDD on a cushion so that it is  
not subjected to shock.  
• Do not use an electric screwdriver. Vibrations and  
shocks caused by an electric screwdriver may  
damage the internal components of the HDD.  
• When replacing the HDD, do not knock the HDD  
with other components such as another HDD and  
the HDD tray.  
• Do not knock the HDD with tools such as a screw-  
driver when replacing the HDD.  
The following HDD has been tested and confirmed  
that the compatibility is ensured. This information  
is as of November 2007. Supply of this HDD may  
be stopped or it may be changed without notice by  
its manufacturer. Consult your dealer for the latest  
information or use of other HDDs. When you attach  
multiple HDDs, use the HDDs of the same capacity  
and the same model name, in principle.  
<Hitachi Global Storage Technologies>  
HDT725050VLA360 (500 GB, S-ATA)  
14  
Step  
Step  
Step  
4 Disconnect 2 cords connected to the circuit  
board on the metal part.  
8 Pull out the HDD tray.  
• Pull out the HDD tray completely.  
9 Remove the HDD.  
• Remove 4 screws securing the HDD and then  
remove the HDD from the frame.  
Step  
5 Remove the metal part.  
• Remove 4 screws on the metal part.  
Step  
6 Pull out the HDD tray halfway.  
HDD 2  
HDD 1  
Step  
7 Remove the cords.  
Notice  
Because S-ATA connectors of HDD are very delicate,  
connect or disconnect the cords gently without  
applying excessive force to the connectors.  
Take special care to connect or disconnect the  
connectors straight in order to prevent vertical force  
from being applied to them.  
S-ATA connectors  
15  
Replacing the HDD (continued)  
Step  
5 Attach the metal part.  
Attaching the HDD  
• Align the upper side first, then push the lower side  
into the unit.  
Notice  
Take care not to deform the springs.  
When you attach multiple HDDs, attach them in the  
order of HDD 1 and 2.  
• Pass the cord to be connected to the circuit board  
through the hole in the metal part.  
Step  
1 Attach the new HDD onto the HDD tray with 4  
screws.  
Make sure to attach the HDD in the correct orientation.  
Step  
6 Fix the metal part with 4 screws.  
Notice  
Step  
When attaching the HDD to this unit, use the supplied  
screws.  
7 Connect 2 cords to the circuit board on the metal  
part.  
Step  
2 Insert the HDD tray halfway.  
Step  
3 Connect the cords.  
Step  
8 Check whether the HDD is connected properly.  
1 Set the MODE rotary switch to any number from 0 to  
5.  
2 While the TEST button is pressed, press the RESET  
button.  
3 After the unit boots up and the buzzer sounds, press  
the TEST button.  
The HDD test function is activated and tests each  
HDD for 1 minute, and then the test results are  
shown by the ACCESS indicator.  
Step  
4 Insert the HDD tray completely.  
When the indicator illuminates green, the connection  
is completed successfully.  
When the indicator blinks red, the HDD is not  
connected properly.  
When the indicator illuminates red, the HDD is not  
identified properly.  
16  
Step  
9 Attach the front covers.  
• Attach the left cover first and push it to the left.  
• Then, attach the right cover.  
Step  
10 Fix the front covers with 2 screws.  
Step  
11 Close the screw covers on both sides of the  
cover.  
Tips  
Follow the same procedures to attach or remove HDD  
2.  
17  
Troubleshooting  
Diagnosis by HDD indicators  
In the case that the HDD 1 or HDD 2 indicator on the front panel blinks or illuminates, check the problem in the HDD  
according to the chart below.  
START  
Both of the HDDs are not identified.  
The S-ATA cable may not be connected  
properly or a problem may occur in the  
HDDs.  
Both indicators of HDD  
1 and HDD 2 illuminate  
red.  
Yes  
No  
Both indicators of HDD 1  
and HDD 2 blink red.  
Yes  
Yes  
Is the operation mode  
set to mirroring?  
No  
No  
Is the MODE rotary switch set  
correctly?  
The HDDs of different capacities may  
be used. Check the HDD capacity.  
Either indicator of HDD 1  
or HDD 2 illuminates red  
and the other one blinks  
red.  
Mirroring  
Is the operation mode  
set to spanning or  
mirroring?  
Yes  
Spanning  
The HDD corresponding to the  
illuminating indicator is not identified.  
The S-ATA cable may not be connected  
properly or a problem may occur in the  
HDDs.  
During synchronization, a problem  
occured in the source HDD and that  
HDD became unidentifiable.  
The synchronization cannot be  
continued.  
No  
Yes  
Either indicator of HDD 1  
or HDD 2 illuminates red.  
Yes  
Is the operation mode  
set to mirroring?  
No  
Though the HDD corresponding to the  
illuminating indicator is not identified,  
operation can be continued. The S-ATA  
cable may not be connected properly or  
a problem may occur in the HDDs.  
Is the MODE rotary switch set correctly?  
Is the cable connected correctly?  
18  
Troubleshooting  
If problems with the unit persist even after you followed the suggestions below, please stop using the unit, disconnect the  
power cord and contact the retailer from whom you purchased the unit.  
Description of problem  
Please check the following  
The unit does not turn on.  
• Is the power cord properly plugged in?  
• Is the EXTERNAL CONTROL switch set to ON though the DC 12 V OUT  
terminal of the recorder and the CONT IN terminal of this unit are not  
connected ?  
This unit does not work  
correctly.  
• Is the USB cable connected correctly?  
• Are the menus set correctly in the recorder?  
• Is the number of recording devices connected within the limitation?  
• Does the HDD 1 or HDD 2 indicator blink or illuminate red?  
• Is the MODE rotary switch set correctly?  
• Is the information of this unit displayed on the menu for registering the  
device?  
Is the correct data capacity displayed?  
• Did you delete the management information before changing the HDD  
operation mode?  
TEMP indicator illuminates.  
FAN indicator illuminates.  
• Turn off the power. Turn on the power again after the internal temperature  
drops.  
• Replace the fan with a new one. Ask your dealer to replace the fan.  
Maintenance  
The elapsed operating time, which can be a guide to know the periodic maintenance timing, is available in the menu of the  
recorder. Refer to the manual of the recorder. The indication of the operating time of the recorder may vary from the actual  
operating time. It is recommended to use this indication just for your reference.  
When this unit is registered as a Main device, the elapsed operating time of this unit is not displayed. (The elapsed  
operating time of the recorder connected with this unit is displayed.)  
19  
Specifications  
General  
Rated Power Supply:  
Rated Input:  
100 to 240 V AC, 50/60 Hz  
0.75 - 0.4 A (100-240 V)  
41 °F-104 °F (5 °C to 40 °C)  
Max. 80 (%)  
Operating Temperature:  
Relative Humidity:  
Altitude:  
Max. 2000 (m)  
Dimensions:  
424 (Width) x 361 (Depth) x 49 (Height) (mm)  
6.3 kg (with 2 HDD mounted)  
Weight:  
Control terminals  
CONT IN  
Input terminal linked with the power supply of the recorder  
Output terminal linked with the power supply of the recorder  
(CONT OUT is the through output of CONT IN.)  
For grounding  
CONT OUT  
GND (Ground)  
TEMP ALM  
Output terminal for detecting abnormal temperature (open collector output)  
Active: “Low” level voltage output, Max. current 7 mA DC.  
Non active: Open, Max. voltage 24 V DC.  
FAN ALM  
HDD ALM  
Output terminal for detecting fan error (open collector output)  
Active: “Low” level voltage output, Max. current 7 mA DC.  
Non active: Open, Max. voltage 24 V DC.  
Output terminal for detecting HDD error (open collector output)  
Active: “Low” level voltage output, Max. current 7 mA DC.  
Non active: Open, Max. voltage 24 V DC.  
CONT IN  
Reserved.  
Reserved.  
CONT OUT  
EXTERNAL CONTROL:  
When set to ON: Power is supplied to the HDD when 12V is applied to the input terminal linked with the power supply.  
When set to OFF: Power is always supplied to the HDD.  
Serial bus terminal  
Serial bus terminal (2 terminals)  
(Only DX-ZD6UE is connectable.)  
Accessories:  
USB2.0 cable  
Control cable  
Screws  
1
1
8
User’s manual (this manual)  
Power cord  
1
3
Control input/output terminals and circuits  
TEMP ALM terminal  
FAN ALM terminal  
HDD ALM terminal  
• Output Circuit  
Output terminal  
GND terminal  
<Interface circuit inside the unit>  
Design and specifications are subject to change without notice.  
20  

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