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Connect the Power Supply
Connect the router to the power supply as shown below.
Step 1 Connect the attached power-supply cord to the power socket (labeled +5, +12, -12 VDC) on the router rear panel.
Step 2 Connect the separate power cord to the power socket on the power supply.
Step 3 Connect the other end of the separate power cord to a power outlet.
Step 4 Turn on the router by pressing the power switch to the ON ( | ) position.
Figure 5 Connecting the Power Supply
Step 5 Confirm that the router has power by checking that the PWR LED on the front panel is on.
Cisco 1720
SEE MANUAL BEFORE INSTALLATION
DSU
56K
CD
AL
LP
RD
TD
CONSOLE
AUX
FDX
LNK100
WIC0OK
WIC1OK
Power socket
12237
Power supply
Separate
power cord
Attached
power supply cord
10/100 ETHERNET
+5, +12, -12 VDC