Cisco Systems 1700 manual Act/Chø, ACT/CH1

			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