

Front Side Interfaces View of Cisco 2811 Router

1 | Power Inlet | 2 | Power Switch |
3 | Optional RPS input | 4 | Console and Auxiliary Port |
5 | USB Ports | 6 | CF Drive |
7 | LEDs |
1-Power Inlet
Cisco 2811 router requires 100 to 240 VAC (volts ac) power. Power is supplied through the power inlet port on front side.
2-Power Switch
On the front side of Cisco 2811 router power switch is designed for manually switching ON or Off router.
3-RPS Input
Redundant Power Supply (RPS) option is featured in Cisco 2811 router, we can pass power to other devices like IP phones through these ports.
4-Console and Auxiliary Port
Console port on the front side of Cisco 2811 is used for connecting router with PC for configurations. Auxiliary port is used for connecting external modem for back-up network access.
5-USB Ports
Two USB ports are designed for accessing external memory device for making back-up of configurations made on Cisco 2811 router.
6-CF Drive
CF drive port is designed on front side for accessing Compact Flash drive.
7-LEDs
LEDs on the front side of Cisco 2811 describe different status mode of router. There description is discussed later in this guide.
Front Side LEDs Description
Name |
Status |
Description |
System PowerOffPower offBlinking GreenROMMON modeSolid GreenOperating normallySolid OrangeSystem error detectedAuxiliary PowerOffRPS not presentSolid GreenRPS present and working properlySolid OrangeRPS present and failure detectedActivityOffNo packets being transferred or receivedBlinking GreenSystem is facing interruptsSolid GreenSystem is working activelyCompact FlashOffDevice is not processing data, may be ejectedSolid GreenDevice is working, don’t eject
Back Side Interfaces Description of Cisco 2811 Router

1 | Ground Connector | 2 | Ethernet Ports |
3 | LEDs | 4 | HWIC slots |
5 | HWIC slots | 6 | HWIC slots |
7 | HWIC slots | 8 | ENM slot |
1-Ground Connector
Ground connector is designed for safety from electric hazards.
2-Ethernet Ports
Two Ethernet ports are designed for LAN connection in network.
3-LEDs
LEDs designed on the back describe the connectivity status of Ethernet ports.
Ethernet LEDs Description
Name |
Status |
Description |
ActivityOffNot receiving packetsSolid/Blinking GreenReceiving packetsDuplexOffHalf-DuplexSolid GreenFull-DuplexSpeedOne Blink Green10 MbpsTwo Blink Green1000 MbpsLinkOffNo link establishedSolid GreenEthernet link is established
4-7-HWIC Slots
ON the back side of this router there are 4 HWIC slots, that are used for installing WAN Interface Cards.
8-ENM Slot
Enhanced Network Module slot is also available for installing network cards when expansion in network is required.
Back Side LEDs Description
Name |
Status |
Description |
PVDM1OffPVDM1 not installedSolid GreenPVDM1 installed and activeSolid OrangePVDM1 installed and error occurred
PVDM0OffPVDM0 not installedSolid GreenPVDM0 installed and activeSolid OrangePVDM0 installed and error occurred
AIM1OffAIM1 not installedSolid GreenAIM1 installed and activeSolid OrangeAIM1 installed and error occurred
AIM0OffAIM0 not installedSolid GreenAIM0 installed and activeSolid OrangeAIM0 installed and error occurred