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Cisco 819 Integrated Services Router Hardware Installation Guide
OL-23125-02
Chapter 3 Connecting the Router
Verifying Connections
Step 2 Plug the adapter cord into the router.

Verifying Connections

To verify that all devices are properly connected to the router, first turn on all the connected devices,
then check the LEDs. To verify router operation, refer to Table 3-1.
For full LED description, see Table 1-5.
1Black wire (negative) 3Adapter
2White wire (positive)
Ta b l e 3-1 Verifying the Router Operation
Power and Link LEDs to Check Normal Patterns
SYS Yel low FPGA download is complete.
Green (blinking) ROMMON is operational.
Off After powering up, when FPGA is being downloaded (in
ROMMON).
ACT Green Network activity on FE Switch ports, GE WAN port, 3G
cellular interface, and serial interfaces.
Off No network activity.