Cisco CSS11503-AC Hardware Installation Guide - Page 82

Cisco CSS11503-AC Manual

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Chapter 2 Connecting the Power Cord Cabling and Troubleshooting the CSS 3. 4. Plug the power cord into a dedicated 3-wire grounding receptacle. To power on the CSS, see the "Powering Up the CSS" section. Connecting a CSS 11503 DC Power Cord Before you install a DC power cord, refer to Appendix A, Specifications, for the DC power supply. Warning The DC power supply cord requires at least a 14 AWG wire (maximum 10 AWG wire). The CSS 11503 draws a maximum of 10 amps. Warning Use copper conductors only. Warning Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals. Warning Before performing the DC installation procedure, ensure that power is removed from the DC circuit. To ensure that all power is off, locate the circuit breaker that services the DC circuit and switch it off. Warning When you are installing or replacing the unit, the ground connection must always be made first and disconnected last. Warning Only a DC power source that is isolated from AC mains with reinforced insulation, and that complies with the other safety extra-low voltage (SELV) requirements in UL1950, CSA 950 3rd Edition, EN 60950, and IEC950, can be connected to a Cisco 11503 system. This requirement ensures that in a catastrophic power source fault condition, hazardous voltages are not present on power terminals and connectors. Cisco 11500 Series Content Services Switch Hardware Installation Guide 2-28 78-13884-06

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Chapter 2
Cabling and Troubleshooting the CSS
Connecting the Power Cord
2-28
Cisco 11500 Series Content Services Switch Hardware Installation Guide
78-13884-06
3.
Plug the power cord into a dedicated 3-wire grounding receptacle.
4.
To power on the CSS, see the
“Powering Up the CSS”
section.
Connecting a CSS 11503 DC Power Cord
Before you install a DC power cord, refer to Appendix A,
Specifications
, for the
DC power supply.
Warning
The DC power supply cord requires at least a 14 AWG wire (maximum 10 AWG
wire). The CSS 11503 draws a maximum of 10 amps.
Warning
Use copper conductors only.
Warning
Before working on equipment that is connected to power lines, remove jewelry
(including rings, necklaces, and watches). Metal objects will heat up when
connected to power and ground and can cause serious burns or weld the metal
object to the terminals.
Warning
Before performing the DC installation procedure, ensure that power is removed
from the DC circuit. To ensure that all power is off, locate the circuit breaker
that services the DC circuit and switch it off.
Warning
When you are installing or replacing the unit, the ground connection must
always be made first and disconnected last.
Warning
Only a DC power source that is isolated from AC mains with reinforced
insulation, and that complies with the other safety extra-low voltage (SELV)
requirements in UL1950, CSA 950 3rd Edition, EN 60950, and IEC950, can be
connected to a Cisco 11503 system. This requirement ensures that in a
catastrophic power source fault condition, hazardous voltages are not present
on power terminals and connectors.