Installation guide

24
Cisco uBR7200 Series Universal Broadband Router Wireless Modem Card and Subsystem Installation and Configuration
78-6030-03
Installing the Power Feed Panel
• 2) This equipment shall be located in the same immediate area (such as adjacent cabinets) as any
other equipment that has a connection between the earthed conductor of the same DC supply circuit
and the earthing conductor, and also the point of earthing of the DC system. The DC system shall
not be earthed elsewhere.
• 3) The DC supply source is to be located within the same premises as this equipment.
• 4) There shall be no switching or disconnecting devices in the earthed circuit conductor between the
DC source and the point of connection on the earthing electrode conductor.
To see translations of the warnings that appear in this publication, refer to the “Regulatory Compliance
and Safety Information” section in this document.
Warning Secure all power cabling when installing this unit to avoid disturbing field-wiring connections.
To see translations of the warnings that appear in this publication, refer to the “Regulatory
Compliance and Safety Information” section in this document.
Warning When installing the unit, the ground connectionmust alwaysbe madefirst and disconnected last.
To see translations of the warnings that appear in this publication, refer to the “Regulatory
Compliance and Safety Information” section in this document.
Warning Figure 21 shows the DC power supply terminal block. Wire the DC power supply using the
appropriate wire terminations at the wiring end, as illustrated. The proper wiring sequence is
ground to ground, positive to positive (line to L), and negative to negative (neutral to N). Note that
thegroundwireshouldalwaysbeconnectedfirstand disconnected last.To see translations of the
warnings that appear in this publication, refer to the “Regulatory Compliance and Safety
Information” section in this document.
Warning Areadily accessible two-poled disconnect devicemustbeincorporated in thefixedwiring. To see
translations of the warnings that appear in this publication, refer to the “Regulatory Compliance
and Safety Information” section in this document.
Warning Use copper conductors only. To see translations of the warnings that appear in this publication,
refer to the “Regulatory Compliance and Safety Information” section in this document.
Warning An exposed wire lead from a DC-input power source can conduct harmful levels of electricity. Be
sure that no exposed portion of the DC-input power source wire extends from the terminal block
plug. To see translations of the warnings that appear in this publication, refer to the “Regulatory
Compliance and Safety Information” section in this document.
Warning The customer 48 volt power system must provide reinforced insulation between the primary AC
power and the 48 VDC output. To see translations of the warnings that appear in this publication,
refer to the “Regulatory Compliance and Safety Information” section in this document.