Dell PowerSwitch S4820T Configuration Guide for the S4820T System 9.100.0 - Page 503
Extended Power via MDI TLV, Table 55. Network Policy Applications, LLDP-MED Policies TLV
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NOTE: As shown in the following table, signaling is a series of control packets that are exchanged between an endpoint device and a network connectivity device to establish and maintain a connection. These signal packets might require a different network policy than the media packets for which a connection is made. In this case, configure the signaling application. Table 55. Network Policy Applications Type Application 0 Reserved 1 Voice 2 Voice Signaling 3 Guest Voice 4 Guest Voice Signaling 5 Softphone Voice 6 Video Conferencing 7 Streaming Video 8 9-255 Video Signaling Reserved Description - Specify this application type for dedicated IP telephony handsets and other appliances supporting interactive voice services. Specify this application type only if voice control packets use a separate network policy than voice data. Specify this application type for a separate limited voice service for guest users with their own IP telephony handsets and other appliances supporting interactive voice services. Specify this application type only if guest voice control packets use a separate network policy than voice data. Specify this application type only if guest voice control packets use a separate network policy than voice data. Specify this application type for dedicated video conferencing and other similar appliances supporting real-time interactive video. Specify this application type for dedicated video conferencing and other similar appliances supporting real-time interactive video. Specify this application type only if video control packets use a separate network policy than video data. - Figure 76. LLDP-MED Policies TLV Extended Power via MDI TLV The extended power via MDI TLV enables advanced PoE management between LLDP-MED endpoints and network connectivity devices. Advertise the extended power via MDI on all ports that are connected to an 802.3af powered, LLDP-MED endpoint device. • Power Type - there are two possible power types: power source entity (PSE) or power device (PD). The Dell Networking system is a PSE, which corresponds to a value of 0, based on the TIA-1057 specification. • Power Source - there are two possible power sources: primary and backup. The Dell Networking system is a primary power source, which corresponds to a value of 1, based on the TIA-1057 specification. • Power Priority - there are three possible priorities: Low, High, and Critical. On Dell Networking systems, the default power priority is High, which corresponds to a value of 2 based on the TIA-1057 specification. You can configure a different power priority through the CLI. Dell Networking also honors the power priority value the powered device sends; however, the CLI configuration takes precedence. • Power Value - Dell Networking advertises the maximum amount of power that can be supplied on the port. By default the power is 15.4W, which corresponds to a power value of 130, based on the TIA-1057 specification. You can advertise a different power value using Link Layer Discovery Protocol (LLDP) 503
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