Cisco Systems 1721 manual Front Panel LEDs, to the Cisco WAN Interface Cards Hardware Installation

Chapter 1 Cisco 1721 Router Overview

		Front Panel LEDs
Table 1-2 Back Panel Connectors (continued)
Connector/Slot	Label/Color	Description
WIC slot 0	No label	Supports one Cisco WIC. For detailed information, refer
(WIC0)		to the Cisco WAN Interface Cards Hardware Installation
		Guide, which comes with every card.
WIC slot 1	No label	Supports one Cisco WIC. For detailed information, refer
(WIC1)		to the Cisco WAN Interface Cards Hardware Installation
		Guide, which comes with every card.

Use the back panel LEDs during router installation to confirm that you have correctly connected all the cables to the router.

Table 1-3 Back Panel LEDs

LED Label	Color	Description
WIC0 OK	Green	On when a WIC is correctly inserted in the card slot.
FDX	Green	On solid—Ethernet port is operating in full-duplex mode.
		Off—Ethernet port is operating in half-duplex mode.
100	Green	On solid—Ethernet port is operating at 100 Mbps.
		Off—Ethernet port is operating at 10 Mbps.
LINK	Green	On when the Ethernet link is up.
MOD OK	Green	On when the VPN hardware encryption module is installed and
		recognized by the IOS.
WIC1 OK	Green	On when a WIC is correctly inserted in the card slot.

Front Panel LEDs

Use the router front panel LEDs to determine network activity and status on the Ethernet port and on the WIC ports. The front panel LEDs are illustrated in Figure 1-3and described in Table 1-4.

	Cisco 1721 Router Hardware Installation Guide
78-13834-02		1-5