Fujitsu IP-920 E/DC Hardware User's Manual page 95

(1) Preparations
1) Check the system configuration
Check the entire system configuration.
2) Check the units and cables to be connected to this equipment
Check the units to be connected to this equipment, cables that have to be procured, and
installation conditions.
3) Tools and measuring instruments necessary for work:
• Digital multimeter
• General-purpose tools
(2) Environment check
1) Ambient air temperature, humidity and power supply
Check the ambient air temperature, the humidity and power supply conform to A.2.2,
"Environment Specifications.
Confirm that connected power-source equipment supports SELV safety status.
(3) Visual check of appearance
1) Check this equipment surface has no damage such as scratches, dirt, rust,
deformation or peeling of its coating.
2) Check the patent nameplate and device nameplate are still attached, and that buttons are
not damaged.
3) Check the connectors are not loose.
(4) Cable connection check
Check the individual cables are connected as prescribed in system specifications.
Refer to Chapter 2, "Installation and Connection," for the connection methods, Section 4.2,
"Cables and Connector Details," and A.2.3, "Function specifications," for device connector
pin assignments.
Hardware settings need not be set in this equipment.
(5) Input voltage check
Check the voltage of power supplied to this equipment is in a range of 12-24 VDC ± 10%.
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Appendix
IP-920E/DC