Analog Devices DC2911A Demo Manual page 4

DEMO MANUAL DC2911A
QUICK START PROCEDURE
IEEE802.3bt
PSE
Figure 5. Setup Diagram for DC2911A with a Resistive or an Active Load. Do Not Capacitively Load LAB_TEST_VOUT–
Table 1. Single-Signature Classification, Power Levels and Jumper Selection
PD REQUESTED CLASS
0
1
2
3
4
5
6
7
8
Table 2. T2P Response vs PSE Type
* T2P Frequency is 840Hz typical for Type 3, Type 4 and LTPoE ++ PSEs
4
CAT5e
OR CAT6 CABLE
PD REQUESTED POWER (AT THE PD INPUT)
IEEE 802.3
13W
3.84W
6.49W
13W
25.5W
40W
51W
62W
71.3W
PSE TYPE
1 (PoE, 13W)
2 (PoE + , 25.5W)
3 (PoE ++ , 51W)
4 (PoE ++ , 71.3W)
LTPoE ++ , 90W
DC2911A F05
LTPoE ++
38.7W
52.7W
70W
90W
T2P RESPONSE
Logic High
Logic Low
50% Logic Low*
25% Logic Low*
75% Logic Low*
RESISTIVE OR
ACTIVE LOAD
USE LAB_TEST_BOUT–
RESISTIVE OR
ACTIVE LOAD
R JUMPERS
CLASS
JP1 JP2
JP3 JP4
JP5 JP6
JP7 JP8
JP9 JP10
JP11 JP12
JP13 JP14
JP15 JP16
JP17 JP18
Rev. 0