The switch should be unpopulated, just to remove extra variables from the problem.
Look at the "Downloading Software.pdf" file in the 2748 release. It has a good explanation about how to get connectivity to the 27xx switches. Look at the bottom of the file:
I realize this thread is old but I was hoping someone had a solution for this. I just got a 2716 and get no response from the button to switch it to managed mode.
Set the switch to Managed Mode by pressing the MANAGED MODE button
and waiting until MANAGED MODE LED stops blinking and is solid green. If this is not responding then there may be a physical problem with the switch. There is no way to flash the firmware unless you can get into the Managed Mode.
Switch Port Configurations
PowerConnect 2708/2716/2724/2748 Front Panel Port Description
The Dell™ PowerConnect™ 2708, 2716, 2724 and 2748 switches use 10/100/1000BASE-T ports on
the front panel for connecting to a network.
The Gigabit Ethernet ports can operate at 10, 100 or 1000 Mbps. These ports support autonegotiation,
duplex mode (Half or Full duplex), and flow control. The combo 1000 Mbps optical
ports can only operate at 1000 Mbps, full-duplex mode.
The following figures illustrate the front panels and back panels of the PowerConnect
2708/2716/2724/2748 switches.
Figure 2-1. PowrConnect 2708 Front Panel
On the front panel there are eight ports which are numbered 1 to 8, top down and left to right. On
each port there are LEDs (Light Emitting Diode) to indicate the port status.
On the left side of the front panel is the Managed Mode LED which indicates the Ethernet switch
operational status. The Power LED on the front panel indicates whether the device is powered on
or not. A Managed Mode push-button, located on the right side on the front panel, restores the
device’s default settings configuration.
Additional information can be found in the User Guide:
bh1633
909 Posts
0
April 25th, 2008 14:00
The switch should be unpopulated, just to remove extra variables from the problem.
Look at the "Downloading Software.pdf" file in the 2748 release. It has a good explanation about how to get connectivity to the 27xx switches. Look at the bottom of the file:
gawlerj
5 Posts
0
March 11th, 2012 18:00
I realize this thread is old but I was hoping someone had a solution for this. I just got a 2716 and get no response from the button to switch it to managed mode.
DELL-Willy M
802 Posts
0
March 12th, 2012 11:00
Set the switch to Managed Mode by pressing the MANAGED MODE button
and waiting until MANAGED MODE LED stops blinking and is solid green. If this is not responding then there may be a physical problem with the switch. There is no way to flash the firmware unless you can get into the Managed Mode.
Switch Port Configurations
PowerConnect 2708/2716/2724/2748 Front Panel Port Description
The Dell™ PowerConnect™ 2708, 2716, 2724 and 2748 switches use 10/100/1000BASE-T ports on
the front panel for connecting to a network.
The Gigabit Ethernet ports can operate at 10, 100 or 1000 Mbps. These ports support autonegotiation,
duplex mode (Half or Full duplex), and flow control. The combo 1000 Mbps optical
ports can only operate at 1000 Mbps, full-duplex mode.
The following figures illustrate the front panels and back panels of the PowerConnect
2708/2716/2724/2748 switches.
Figure 2-1. PowrConnect 2708 Front Panel
On the front panel there are eight ports which are numbered 1 to 8, top down and left to right. On
each port there are LEDs (Light Emitting Diode) to indicate the port status.
On the left side of the front panel is the Managed Mode LED which indicates the Ethernet switch
operational status. The Power LED on the front panel indicates whether the device is powered on
or not. A Managed Mode push-button, located on the right side on the front panel, restores the
device’s default settings configuration.
Additional information can be found in the User Guide:
support.dell.com/.../UG_ENd.pdf