Bridge/Router Installation and Configuration Guide

3-41
Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Chapter 3 Installing the Router
Connecting Power to the Power Shelf
Caution Only safety extra-low voltage (SELV) circuits can be connected to the alarm
connector. Maximum rating for the alarm circuit is 2 A, 50 VA .
Note To comply with Telcordia GR-1089 NEBS standard for electromagnetic
compatibility and safety, you must use a shielded cable when connecting to the
external alarm ports on the alarm card. The shielded cable is terminated by
shielded connectors on both ends, with the cable shield material tied to both
connectors.
Connecting Power to the Power Shelf
Use the one of the following procedures to connect power to your router.
• Connecting Power to the AC-Input Power Shelf, page 3-41
• Connecting Power to the DC-Input Power Shelf, page 3-42
Caution A router must be operated with all its power modules installed at all times for
electromagnetic compatibility (EMC).
Connecting Power to the AC-Input Power Shelf
Use the following procedure to connect the AC power cords to the power shelf.
Note Connect each AC power supply to a dedicated power source (branch
circuit). Each AC-input power supply operates between 200 and 240
VA C
and requires at least a 20
A service for North American use, or a 13 A
service for international use. For more information on AC power cords,
see the “Power Connection Guidelines” section on page 2-17.