Stack Port LEDs
The stack port LEDs are located to the right of each stack port. The Link LED is above the Activity LED.
Figure 4. C1048P Back Panel: Stack Port LEDs
1.
Stack port 1: Activity LED
2.
Stack port 1: Link LED
3.
Stack port 2: Activity LED
4.
Stack port 2: Link LED
Table 2. C1048P Stack Port LEDs
Stack Port LED
Description
LNK
Stack port link
• Off: No link is up.
• Solid green: Stack link is up.
ACT
Stack port activity
• Off: No data link activity.
• Flashing green: Stack link is up and transmitting/receiving data.
Before You Start: Site Preparation
Before installing the C1048P port extender, make sure that your installation site meets these
requirements:
•
Clearance
: There is adequate space in front of the PE so you can read the LEDs, and adequate space
around and behind the switch for cabling, power connections, and ventilation. The AC power cord
can reach from the power outlet to the utility-panel connector. Airflow around the PE and through
the rear vents is unobstructed.
•
Cabling
: Route the cabling to avoid sources of electrical noise, such as radio transmitters, broadcast
amplifiers, power lines, and fluorescent lighting fixtures. Make sure that the cabling is safely away from
10
C1048P Hardware Description
