Power Connections
20
Connecting Cables to Cisco 3800 Series Routers
OL-5970-02
Connecting Routers to AC Power
If your router uses AC power, connect it to a 15 A, 120 VAC (or 10 A, 240 VAC) circuit with overcurrent
protection. If backup power is required, see the
“Connecting Routers to Backup Power” section on
page 27
.
Note
The input voltage tolerance limits for AC power are 85 and 264 VAC.
Warning
AC connected units must have a permanent ground connection in addition to the power cable ground
wire. NEBS-compliant grounding satisfies this requirement.
Statement 284
Warning
This product requires short-circuit (overcurrent) protection, to be provided as part of the building
installation. Install only in accordance with national and local wiring regulations.
Statement 1045
The following warning applies to both AC power supplies and AC power supplies with IP phone power
in the Cisco 3825 router:
Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that
the protective device is rated not greater than:
120 VAC, 45 A (240 VAC, 30 A).
Statement 1005
The following warning applies to both AC power supplies and AC power supplies with IP phone power
in the Cisco 3845 router:
Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that
the protective device is rated not greater than:
120 VAC, 30 A (240 VAC, 20 A).
Statement 1005
Connecting Routers to DC Power
If your router has a DC-input power supply, follow the directions in this section for proper wiring. If
backup power is required, see the
“Connecting Routers to Backup Power” section on page 27
.
DC Wiring Requirements for Cisco 3800 Series Routers
Warning
Use copper conductors only.
Statement 1025
Warning
This product requires short-circuit (overcurrent) protection, to be provided as part of the building
installation. Install only in accordance with national and local wiring regulations.
Statement 1045
Содержание 3800 Series
Страница 7: ...Safety Warnings 7 Introduction to Hardware Documentation OL 5965 01 ...
Страница 8: ...Safety Warnings 8 Introduction to Hardware Documentation OL 5965 01 ...
Страница 30: ...Regulatory Compliance 16 Overview of Cisco 3800 Series Routers OL 5966 01 ...
Страница 48: ...Grounding the Router 18 Installing Cisco 3800 Series Routers in an Equipment Rack OL 5969 01 ...
Страница 80: ...More Troubleshooting Help 50 Troubleshooting Cisco 3800 Series Routers OL 5972 01 ...
Страница 102: ...Removing SFP Modules 72 Installing SFP Modules in Cisco 3800 Series Routers OL 5968 01 ...