![](/images/new-backgrounds/1173018/17301813x1.webp)
| | | Front-Panel LEDs |
| | |
Table 1-4 | Front-Panel LEDs (Continued) |
| | | |
LED Label | Color | | Description |
| | | |
WICØ | | | |
| | | |
ACT/CHØ | Green | Serial and DSU/CSU cards—Blinks when data is being sent to or received from |
| | | the port on the card in the WICØ slot. |
| | | |
| | | ISDN cards—On solid when the first ISDN B channel is up for the card in the |
| | | WICØ slot. |
| | | |
| | | 2-port serial cards—Blinks when there is data being sent to or received from the |
| | | first port on the 2-port card in the WICØ slot. |
| | | |
ACT/CH1 | Green | | Serial and CSU/DSU cards—Remains off. |
| | | |
| | | ISDN cards—On solid when the second ISDN B channel is up for the card in the |
| | | WICØ slot |
| | | |
| | | 2-port serial cards—Blinks when there is data being sent to or received from the |
| | | second port on the 2-port card in the WICØ slot. |
| | | |
WIC1 | | | |
| | |
ACT/CHØ | Green | Serial and DSU/CSU cards—Blinks when data is being sent to or received from |
| | | the port on the card in the WIC1 slot. |
| | | |
| | | ISDN cards—On solid when the first ISDN B channel is up for the card in the |
| | | WIC1 slot. |
| | | |
| | | 2-port serial cards—Blinks when there is data being sent to or received from the |
| | | first port on the 2-port card in the WIC1 slot. |
| | | |
ACT/CH1 | Green | | Serial and DSU/CSU cards—Remains off. |
| | | |
| | | ISDN cards—On solid when the second ISDN B channel is up for the card in the |
| | | WIC1 slot. |
| | | |
2-port serial cards—Blinks when there is data being sent to or received from the second port on the 2-port card in the WIC1 slot.
Cisco 1700 Router Overview 1-7