Cisco CISCO1750 Installation Manual page 21

Table 4 Front-Panel LEDs (continued)
LED Color
ACT Green
COL Yellow
SLOTØ
PORTØ Green
PORT1 –
Green
78-6169-02
Cards
Supported LED Meaning
– Blinks when there is network activity on the Ethernet port.
– Blinks when there are packet collisions on the local
Ethernet network.
ISDN On when the first ISDN B channel is connected.
Serial and Blinks when data is being sent to or received from the port.
CSU/DSU
2-port serial
VIC-2E&M
VIC-2FXO
VIC-2FXS
Serial and Off.
CSU/DSU
ISDN On when the first ISDN B channel is connected.
2-port serial Blinks when data is being sent to or received from the port.
VIC-2E&M
VIC-2FXO
VIC-2FXS
Cisco 1750 Router Hardware Installation Guide
Front-Panel LEDs
vii