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AT-2911GP Gigabit Fiber Ethernet PoE+ Adapters Installation and User’s Guide
78
Using VLAN-
Capable VoIP
Phones
Some VoIP phones are capable of VLAN tagging. Config 1 and Config 2
are using VLAN-capable VoIP phones. If your VoIP phone is VLAN
capable, assigns the VLAN ID 150 to a VoIP phone setting. Voice frames
get the VLAN tagged at the phone, are sent to the copper port, and
transmitted to the switch through the fiber port. The voice frames are
unchanged through the fiber port.
You can assign a VLAN ID to the fiber port; however, when voice frames
are tagged at the VoIP phone, do not assign a VLAN ID to the copper port.
Using VLAN-
Incapable VoIP
Phones
Config 3 and Config 4 are using non VLAN-capable phones. When the
VoIP phone is not capable of VLAN tagging, you can assign the VLAN ID
150 to the copper port. Voice frames from the VoIP phone get tagged
when they arrive at the copper port, are sent to the switch through the fiber
port. The voice frames are unchanged through the fiber port.
Other
Combinations
You can assign a VLAN ID only to the fiber port as with Config 5 in Table 3
on page 77. In addition, you can leave the fiber port, copper port, and
VoIP phone untagged as with Config 6.