3Com Baseline 2928 PWR Plus User Manual page 278

Figure 1-25 The page for configuring the voice VLAN function on ports
Select Auto in the Voice VLAN port mode drop-down list.
Select Enable in the Voice VLAN port state drop-down list.
Type the voice VLAN ID 2.
Click to select port GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 from the chassis front panel.
Click Apply.
# Enable LLDP on ports GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2. If LLDP is enabled (the
default), skip this step.
# Set both the LLDP operating mode and the CDP operating mode to TxRx on ports GigabitEthernet
1/0/1 and GigabitEthernet 1/0/2.
Select Network > LLDP from the navigation tree to enter the Port Setup tab. Select port
GigabitEthernet1/0/1 and GigabitEthernet1/0/2 and click Modify Selected, as shown in
1-26. The page shown in Figure 1-27 is displayed.
1-27
Figure