EDS-P308 Series

8-port IEEE 802.3af PoE unmanaged Ethernet switches

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Features and Benefits

4 IEEE 802.3af-compliant PoE and Ethernet combo ports
Up to 15.4 watts at 48 VDC per PoE port
Intelligent power consumption detection and classification
Redundant dual VDC power inputs
-40 to 75˚C operating temperature range (T models)

Introduction

The EDS-P308 switches are smart, 8-port, unmanaged Ethernet switches supporting PoE (Power-over-Ethernet) on ports 1 to 4. The switches are classified as power source equipment (PSE), and when used in this way, the EDS-P308 switches enable centralization of the power supply and provide up to 15.4 watts of power per port. The switches can be used to power IEEE 802.3af compliant powered devices (PD), eliminating the need for additional wiring, and support IEEE 802.3/802.3u/802.3x with 10/100M, full/half-duplex, MDI/MDI-X auto-sensing to provide an economical solution for your industrial Ethernet network. In addition, the built-in relay warning function alerts network engineers when power failures or port breaks occur.

• Technology:
Standards	IEEE 802.3 for 10BaseT IEEE 802.3u for 100BaseT(X) IEEE 802.3x for Flow Control IEEE 802.3af for Power-over-Ethernet
Processing Type	Store and Forward
Flow Control	IEEE802.3x full duplex, back pressure flow control

• Interface:
RJ45 Ports	10/100BaseT(X) auto negotiation speed, Full/Half duplex mode, and auto MDI/MDI-X connection
Fiber Port(s)	100BaseFX ports (SC connector)
LED Indicators	PWR1, PWR2, FAULT, 10/100M, PoE
DIP Switches	Port break alarm mask
Alarm Contact	1 relay output with current carrying capacity of 0.5A @ 48 VDC

• Optical Fiber

• Physical Characteristics:
Enclosure	Metal, IP30 protection
Weight	840 g
Dimensions	53.6 × 135 × 105 mm (2.11 x 5.31 x 4.13 in)
Installation	DIN-Rail mounting, wall mounting (with optional kit)

• Environmental Limits:
Operating Temperature	Standard Models: 0 to 60°C (32 to 140°F) Wide Temp. Models: -40 to 75°C (-40 to 167°F)
Storage Temperature	-40 to 85°C (-40 to 185°F)
Ambient Relative Humidity	5 to 95% (non-condensing)

• Power Requirements:
Input Voltage	48 (46 to 50 V) VDC, redundant inputs
Input Current	1.6 A @ 48 V
Overload Current Protection	2.5 A @ 48 VDC
Connection	1 removable 6-contact terminal block
Reverse Polarity Protection	Present

• PoE (per port):
Max. Output Power	15.4W
Output Voltage	44 to 48.5 VDC
Max. Output Current	350 mA
Max. Overload Protection	400 mA

• Agency Approvals:
EMI	FCC Part 15, CISPR (EN55022) class A
EMS	EN61000-4-2 (ESD), level 3 EN61000-4-3 (RS), level 3 EN61000-4-4 (EFT), level 4 EN61000-4-5 (Surge), level 4 EN61000-4-6 (CS), level 3 EN61000-4-8
Safety	UL508
Hazardous Location	UL/cUL Class I, Division 2, Groups A, B, C, and D (Pending); ATEX Zone 2, Ex nC IIC (Pending)
Shock	IEC60068-2-27
Freefall	IEC60068-2-32
Vibration	IEC60068-2-6
MTBF (meantime between failures)	Time: 360,000 hrs Database: Telcordia (Bellcore), GB
Maritime	DNV, GL, ABS, LR, NK