Mdi Settings; Power Device Classification Values - Planet POE-1200G User Manual

APPENDIX A
A.1 MDI Settings
The Medium-Dependent Interface (MDI or RJ45) serves as the data/power interface between Ethernet
elements. As such, it has two optional connection methods to carry the power. Named Alternative A & B,
Table 1 details the two power feeding alternatives.
Pin Alternative A
Vport Negative
1
Vport Negative
2
Vport Positive
3
4
5
Vport Positive
6
7
8
Table -1 Alternative Table
Delivering power through an RJ45 connector's center tap ("Phantom Feeding") guarantees that
bi-directional data flow is maintained, regardless of a module's power status.
A.2 Power Device Classification Values
Class PD Current – Classification Period
0
1
2
3
4
User Manual of POE-1200G/POE-2400G/HPOE-1200G/HPOE-2400G
Alternative B
Vport Positive
Vport Positive
Vport Negative
Vport Negative
PD Power – Operation Period
[mA]
0 – 4
9 – 12
17 -20
26 – 30
36 - 44
[W]
0.44 – 12.95
0.44 – 3.84
3.84 – 6.49
6.49 – 12.95
12.95 - 25
- 65 -
Note
Default
Optional
Optional
Optional
Optional