Cisco 1721 - Manual (Page 40)

Chapter 2 Installation
Connecting Power to the Router
2-8
Cisco 1721 Router Hardware Installation Guide
78-13834-02
Connecting Power to the Router
Read the following warnings before connecting the router to power.
Warning The power supply is designed to work with TN power systems.
Warning This product relies on the building’s installation for short-circuit
(overcurrent) protection. Ensure that a fuse or circuit breaker no larger than
120VAC, 15AU.S. (240VAC, 16A international) is used on the phase
conductors (all current-carrying conductors).
Warning This equipment is intended to be grounded. Ensure that the host is
connected to earth ground during normal use.
Take the following steps to connect power to the router and to turn the router on:
Step 1 Connect the attached power-supply cord to the power socket ( labeled +5, +12,
-12 VDC) on the router rear panel, as shown in Figure 2-4 .