NEC iPASOLINK EX Advanced Instruction Manual page 353

8-34 Set ETH Function
4. Select a Port Type, and specify the required parameters according to the selected
port type:
Figure 8-41 VLAN Setting Option Window
Port Type
NOTE: When the target port is MODEM Port, is the only choice to
S-Trunk
select.
GGS-000547-01E iPASOLINK EX Advanced: S N S P
ET ETWORK AND YSTEM ROVISIONING