PEM3200 series

Datasheet

The PEM3200 series is a compact size, full power IEEE802.3at compliant Power Over Ethernet (PoE) Powered Device (PD) extraction module delivering up to 30 watts peak power in all output voltage ratings.

Features

Low-Cost, small size IEEE 802.3at PD Module, POE Class 4
Low EMI
High efficiency
Dedicated pin for Auxiliary Power, Remote Shut down
Adjustable operating frequency
12V, 24V DC output voltage models

SKU: 123456 Category: IEEE802.3at (30W)Tag: Modules

General Details
The PEM3200 is globally one of the smallest size, full power IEEE802.3at and IEEE802.3af compliant Power Over Ethernet (PoE) Powered Device (PD) extraction module delivering up to 30 watts peak power, when sourced from a competent power IEEE 802.3at Power Sourcing Equipment (PSE), using twisted pair CAT5 or higher Ethernet cable. It offers fixed POE Class 4 and provides Two Event Physical Layer (Layer 1) classification, as per IEEE802.3at and supports layer 2 classification via an “AT Detect” pin. The module also supports Type 1 and Type 2 PD operation of the IEEE 802.3bt.

The PEM3200 output ripple is controlled within IEEE specifications. For improved EMI performance, the PEM3200 is featured with in-built frequency dithering and a dedicated pin for adjusting the switching frequency for additional tuning for targeted EMI filtration. PEM3200 supports external Auxiliary DC power, and enables Remote Shut Down to keep POE supply on standby mode.

The PEM3200 is a low cost solution with a high efficiency DC-DC converter with 1500V safety isolation, in-built under-voltage, over-voltage, output over-load and short-circuit protection. The PEM3200 series require minimal external components and provide a quick, easy, and cost effective method for Ethernet equipment manufacturers to “PoE enable” their equipment.

PEM3200 is ideal for POE application for IP & PTZ cameras, gaming instruments, audio & video interfaces, security and access control devices, door monitoring, sensors, environment control devices, routers, and network access points.

Part Number Output Voltage Output Power

PEM3212 12V 24W

PEM3224 24V 24W

Application Areas
- Security and alarm systems
- Voice over IP phones
- Access control systems
- IP Cameras
- Displays, Net Monitors
- Public address systems
- Wireless access points
- Environmental control
- Telemetry
- Remote environmental monitoring
Documents

PEM3200 Datasheet

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Specifications

Input Input Voltage	36V to 57V DC (for higher power operation an input voltage of 51V or higher is recommended) Extracts power from either data pair (pins 1,2,3,6) or spare pair (pin 4,5,7,8) or both pairs
Input Current	600mA maximum continuous as per draft IEEE 802.3at
PD Detection	Presents IEEE802.3af PD signature and Class 0 classification to PSE on any one pair
Ports	RJ45 shielded connector for PoE Input
Output Output Voltage (±3%)	12V 13.5V 15V 18V 21V 24V
Output Current (RMS)	2.75A 2.44A 2.2A 1.83A 1.57A 1.37A
Output Power Dependent on input voltage	27 Watts maximum continuous. 30 Watts maximum. Maximum output power is determined by the input (voltage and current). Current IEEE 802.3at standard permits 0.6A maximum input current. 30 Watts output possible by exceeding IEEE current limits to a maximum 0.75A
Regulation (typical)	± 3%
Ripple	< 100mV p-p (at DC Jack)
Efficiency End to end	≈ 85% (at 24W load at 51V input, 12V model)
Ports	RJ45 shielded connector for Data Out Centre positive barrel 5.5mm x 2.5mm for DC Out
Isolation	1500V Isolation between input and output
Indicators	PoE detection and classification Output Power Output power LED will blink in the event of an output overload and switch off.
Environmental Operating Ambient	-20 to 50°C (-4 to 122°F) Any power device such as this splitter produces heat and requires de-rating to operate at ambient temperatures over 30°C (86°F). The plastic case is not suitable for outdoor operations at higher ambient conditions.
Storage	-20 to 65°C (-4 to 149°F)
Humidity	5% to 85% RH
Safety and Compliance EMI and EMC Immunity	FCC Class B Part 15 and EN55022 (CISPR 22) Class B ESD : EN61000-4-2 RS : EN61000-4-3 CS : EN61000-4-6

Application Areas
- Security and alarm systems
- Voice over IP phones
- Access control systems
- IP Cameras
- Displays, Net Monitors
- Public address systems
- Wireless access points
- Environmental control
- Telemetry
- Remote environmental monitoring
Application Notes
The PoE Splitter is IEEE802.3af compliant and will work with any IEEE802.3af compliant midspan or endspan.

For high power operation, we recommend the following midspans :
- Microsemi PD7001G and PD7000 series
- Phihong POE30U
- SEI JuiceBox MX
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Documents

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Part Number	Output Voltage	Output Power
PEM3212	12V	24W
PEM3224	24V	24W

PEM3200 series

Features

Application Areas

Documents

Product Enquiry