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INSTALLATION

REGARDING MAXIMUM DRIVES WHEN USING DVD-R7783
In order to assure optimum drive performance, please adhere to the following configuration and environment parameter:
÷ When DRM-ULV16 is installed, and DVD-R7783 is connected on same bus as DVD-D7563 or changer
(see page 18, examples 1 – 3)
DRM-7000
1
0
1
DVD-D7563
2
3
÷ When DRM-ULV16 is not installed, and DVD-R7783 is connected to separate bus from DVD-D7563 or
changer (see page 18, examples 4, 5)
DRM-7000
1
0
1
2
DVD-D7563
3
4
5
LIMITATIONS WITH SCSI CONNECTIONS
* For further details, consult " STEP 2
A. When installing DRM-ULV16
(When LVD SCSI bus and SE SCSI bus are the same; see page 18, examples 1-3).
7 Connection Cable Length
LVD SCSI bus:
This is the total permissible length of cable, including that internal to devices (when multiple changers are connected,
includes length of cable between changers).
SE SCSI bus:
This is the total permissible cable for each changer, including internal cables.
7 Permissible SE drives: Maximum 3 (for each changer)
* Due to limitations on cable length, SE drives should be installed in rear bays #1 to #3.
B. When not installing DRM-ULV16
(When LVD SCSI bus is separate from SE SCSI bus, or SE SCSI bus alone is used; see page 18, examples 4-6)
7 Connection Cable Length (for each host adapter)
LVD SCSI bus:
This is the total permissible length of cable, including that internal to devices (when multiple changers are connected,
includes length of cable between changers).
SE SCSI bus:
This is the total permissible length of cable, including that internal to devices (when multiple changers are connected,
includes length of cable between changers).
*SCSI-2 mode
DVD-R7783
2
3
4
DVD-R7783
2
3
4
* The above figures indicate the number of drives permissible for each changer.
4. Connecting SCSI cables " (page 21).
12 m or less
3 m or less
12 m or less
6 m or less*
DVD-R7783
DRM-3000
1
0
1
DVD-D7563
2
3
DVD-R7783
DRM-3000
1
0
1
2
DVD-D7563
3
4
5
:
Within room temperature limits of 5°C to 35°C.
:
Within room temperature limits of 5°C to 30°C.
:
This configuration not supported.
2
3
4
2
3
4
<DRC1285>
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