Huawei AR150 Series Configuration Manual page 140

Huawei AR150&200&1200&2200&3200 Series Enterprise
Routers
Configuration Guide - Device Management
The Power via MDI TLV is composed of 2-byte packet header and 12-byte TLV information
field, as shown in
Figure 6-1 TLV packet
TLV
Type=
127
7bits
The fields of TLV packets are described as follows:
l
l
l
Issue 05 (2014-01-16)
Figure 6-1.
TLV
information
TIA OUT
String
00-12-OF
Length=12
9bits 3bytes
TLV MED
Header Header
MDI power support
Bit
0
1
2
3
4-7
PSE power pair:
– 1: Alternative A: The Endpoint PSE use line pairs connected to pins 1 and 2 and pins
3 and 6 for power supply.
– 2: Alternative A: The Endpoint PSE use line pairs connected to pins 4 and 5 and pins
7 and 8 for power supply.
power class
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Extended
MDI
Power via
PSE
Power
MDI
Power
Support
Subtype=2 Pair
1byte 1byte 1byte 1byte
Power
via MDI
Function
Port type
Whether the PSE supports
MDI power supply.
MDI power support status
of the PSE.
Whether the PSE can
control the line pair.
Reserved.
6 PoE Configuration
Power Power Power Power
Class Type Source Priotity
2bits 2bits 4bits 4bytes
Extended
Power via MDI
Description
1: PSE-side port
0: PD-side port
1: indicates that the PSE
supports MDI power
supply.
0: indicates that the PSE
does not support MDI
power supply.
1: enabled
0: disabled
1: indicates that the PSE
can control the line pair.
0: indicates that the PSE
cannot control the line pair.
-
Power
Value
131