Appendix A Specifications
DC Power Supply Safety Warnings
Network Management
The CSS supports the following network management protocols:
•SNMP v1
•SNMP v2
DC Power Supply Safety Warnings
Warning The DC power supply must be installed in restricted access areas only (for example, dedicated equipment rooms, equipment closets) in accordance with articles
This equipment is designed to permit the connection of the grounded conductor of the DC supply circuit to the grounding conductor at the equipment. If this connection is made, all of the following conditions must be met:
•This equipment shall be connected directly to the DC supply system grounding electrode conductor or bonding jumper from a grounding terminal bar or bus to which the DC supply system grounding electrode conductor is connected.
•This equipment shall be located in the same immediate area as any other equipment that has a connection between the grounded conductor of the same DC supply circuit and the grounding conductor, and also the point of grounding of the DC system. The DC system shall not be grounded elsewhere.
•The DC supply source is to be located within the same premises as the equipment.
•There shall be no switching or disconnecting devices in the grounded circuit conductor between the DC source and the point of connection of the grounding electrode conductor.
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