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products that require the base LLDP discovery services defined in TIA-1057,
however do not support IP media or act as an end-user communication appliance.
Such devices may include (but are not limited to) IP Communication Controllers,
other communication related servers, or any device requiring basic services as
defined in TIA-1057.
Discovery services defined in this class include LAN configuration, device location,
network policy, power management, and inventory management.
LLDP-MED Media Endpoint (Class II)
The LLDP-MED Media Endpoint (Class II) definition is applicable to all endpoint
products that have IP media capabilities however may or may not be associated with
a particular end user. Capabilities include all of the capabilities defined for the
previous Generic Endpoint Class (Class I), and are extended to include aspects
related to media streaming. Example product categories expected to adhere to this
class include (but are not limited to) Voice / Media Gateways, Conference Bridges,
Media Servers, and similar.
Discovery services defined in this class include media-type-specific network layer
policy discovery.
LLDP-MED Communication Endpoint (Class III)
The LLDP-MED Communication Endpoint (Class III) definition is applicable to all
endpoint products that act as end user communication appliances supporting IP media.
Capabilities include all of the capabilities defined for the previous Generic Endpoint
(Class I) and Media Endpoint (Class II) classes, and are extended to include aspects
related to end user devices. Example product categories expected to adhere to this
class include (but are not limited to) end user communication appliances, such as IP
Phones, PC-based softphones, or other communication appliances that directly
support the end user.
Discovery services defined in this class include provision of location identifier
(including ECS / E911 information), embedded L2 switch support, inventory
management
LLDP-MED Capabilities LLDP-MED Capabilities describes the neighbor unit's
LLDP-MED capabilities. The possible capabilities are:
1. LLDP-MED capabilities
2. Network Policy
3. Location Identification
4. Extended Power via MDI - PSE
5. Extended Power vis MDI - PD
6. Inventory
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