6
[Power Management option]-[Turn off hard disks] selection to turn the hard disk off
when the unit is not being operated. A setting of 5 minutes is recommended.
• Do not vibrate the hard disk continuously at the same frequency. Doing so may cause
the hard disk to reduce transfer speeds or stop temporarily.
Internal Switches
To operate the internal switches, uninstall the control box and the front module.
• Make sure to turn off the power supply before using the switches. Adjusting the
switches while power is supplied may cause errors.
1.
Internal switches of the control box
SEE
Installation/uninstallation of the front module and the control box (page 13)
Switch
Location
Switch Name
Compatible
I/F
Factory
Settings
Description
SW1
System Set SW
–
See
System
Set Switch
10-point dip switch. For System Set
SW and the factory settings details,
see
System Set Switch.
SW2
Serial Mode
Select SW
COM1
All OFF
(RS-232C)
10-point dip switch. Designates COM1
communication settings. For Serial
Mode Select SW details, see
Serial
Mode Select Switch.
SW3
CI(RI)/+5V
Changeover SW
COM2
CI(RI)
Changes # 9 pin (CI(RI) <---> +5V).
SW4
CI(RI)/+5V
Changeover SW
COM1
CI(RI)
Changes # 9 pin (CI(RI) <---> +5V).
1 10
1 10
SW4
SW1
SW2
SW3
OFF
ON
ON
OFF
Bottom face of the control box
(CI)RI
5V
