Powered Device of PoE(PD MODULE)
1.Features:
*IEEE 802.3 standard-compliant solution,including pre-standard(legarcy)PoE support
*Highly-integrated compact solution PCB
*Support transient surge protection that defined in IEC60060 as a 1000V impulse
*Comprehensive protection circuitry
-Transient overvoltage protection
-Undervoltage lockout
-Overload protection
-Thermal shutdown protection
-Current limiting protection
-Short circuit protection
*Support classification from 0 to 4(HW Default is Class 0)
*Very small PCB size:62*27*18(mm)
2.Application:
*Voice over IP teltphones
*Wireless access points
*Security cameras
*Point-of-sale terminals
*Low-power network switch
*Wireless access point
3.Electrical Specifications:
Input Voltage of SP1 to SP2 | 36 to 57V |
Output Voltage | 12V |
Maximum Output Power (Can ADJ for PCBA) | <3.84W <6.49W <12.95W <25.5W |
Class | 0 (Can ADJ for PCBA) |
Ambient Storage Temperature | -40∽85℃ |
Table 1.Class Resistor Value
Class | Usage | Power Leverls | Nominal Class Current | RCL Resistor (1%,1/16W) |
0 | Default | 0.44 W to 12.95 W | 0-4mA | Pull-up(0-100KΩ) to VDD5 pin |
1 | Optional | 0.44 W to 3.84 W | 9-12mA | 280KΩ |
2 | Optional | 3.84 W to 6.49 W | 17-20mA | 143KΩ |
3 | Optional | 6.49 W to 12.95 W | 26-30mA | 90.9KΩ |
4 | Reserved | 12.95 W to 25.5 W | 36-44mA | 63.4KΩ |
4.Pin Description:
Pin # | Name | Description |
1 | SP1 | Direct Input(1).This input pin is used in conjunction with VB2 and connects to pin 4 & 5 of the RJ45 connector. |
2 | SP2 | Direct Input(2).This input pin is used in conjunction with VB2 and connects to pin 7 & 8 of the RJ45 connector. |
3 | CT1 | TX Input (2). This input pin is used in conjunction with VA1 and connects to the centre tap of the transformer connected to pins 3 & 6 of the RJ45 connector (TX) - it is not polarity sensitive. |
4 | CT2 | RX Input (1). This input pin is used in conjunction with VA2 and connects to the centre tap of the transformer connected to pins 1 & 2 of the RJ45 connector (RX) - it is not polarity sensitive. |
5 | NC | |
6 | NC | |
7 | Vout- | Negative DC Output.This pin provides the regulated output from the DC/DC converter. |
8 | Vout- | Negative DC Output.This pin provides the regulated output from the DC/DC converter. |
