Connecting Power; Connecting To Ac Power - Cisco 2900 Series Installation Manual

Connecting Power

Connecting Power
This section explains how to connect AC or DC power to Cisco 2900 series routers. It covers the
following topics:
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Read the installation instructions before connecting the system to the power source. Statement 1004
Warning
Warning This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit. Statement 1028
Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Note The installation must comply with all required electrical codes applicable at the installation site.

Connecting to AC Power

If your router uses AC power, connect it to a 15 A, 120 VAC (10 A, 240 VAC) circuit with overcurrent
protection. If backup power is required, see the
The input voltage tolerance limits for AC power are 90 and 264 VAC.
Note
This product requires surge protection to be provided as part of the building installation. To comply with
Note
the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety, an external surge
protective device (SPD) is required at the AC power service equipment.
AC connected units must have a permanent ground connection in addition to the power cable ground
Warning
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
Cisco 2900 and 3900 Series Hardware Installation
3-18
Connecting to AC Power, page 3-18
Connecting to DC Power, page 3-19
Connecting to Backup Power, page 3-30
Chapter 3 Installing and Connecting the Router
"Connecting to Backup Power" section on page 3-30.