Chapter 1 Cisco 1721 Router Overview
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Table |
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Connector/Slot | Label/Color | Description |
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WIC slot 0 | No label | Supports one Cisco WIC. For detailed information, refer |
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(WIC0) |
| to the Cisco WAN Interface Cards Hardware Installation |
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| Guide, which comes with every card. |
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WIC slot 1 | No label | Supports one Cisco WIC. For detailed information, refer |
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(WIC1) |
| to the Cisco WAN Interface Cards Hardware Installation |
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| Guide, which comes with every card. |
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Use the back panel LEDs during router installation to confirm that you have correctly connected all the cables to the router.
Table
LED Label | Color | Description |
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WIC0 OK | Green | On when a WIC is correctly inserted in the card slot. |
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FDX | Green | On |
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100 | Green | On |
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LINK | Green | On when the Ethernet link is up. |
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MOD OK | Green | On when the VPN hardware encryption module is installed and |
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| recognized by the IOS. |
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WIC1 OK | Green | On when a WIC is correctly inserted in the card slot. |
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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
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| Cisco 1721 Router Hardware Installation Guide |
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