The EDS-P308 series switches are smart, 8-port, unmanaged Ethernet switches supporting PoE (Power-over-Ethernet) on ports 1 to 4. They 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. The EDS-P308 switches support IEEE 802.3/802.3u/802.3x with 10/100M, full/half-duplex, MDI/MDI-X auto-sensing, and 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.

• 4 IEEE 802.3af-compliant PoE and Ethernet combo ports
  
• Provides 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)

Technology:
Standards	IEEE 802.3 for 10BaseT, IEEE 802.3u for 100BaseT(X), 100BaseFX, 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, F/H 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	One relay output with current carrying capacity of 0.5A @ 48 VDC
Physical Characteristics:
Enclosure	IP30 protection, metal case
Dimensions	53.6 × 135 × 105 mm (2.11 x 5.31 x 4.13 in)
Installation	DIN-Rail Mounting, Wall Mounting (optional kit)
Environmental Limits:
Operating Temperature	0 to 60°C (32 to 140°F) -40 to 75°C (-40 to 167°F) for T models
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 50V) VDC, redundant inputs
Input Current	(@ 48 V): 1.6A
Overload Current Protection	2.5 A (@ 48 VDC)
Connection	Removable 6-pin 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 3 EN61000-4-5 (Surge), level 3 EN61000-4-6 (CS), level 3 EN61000-4-8 EN61000-4-11
Safety	UL508
Hazardous Location	UL/cUL Class I, Division 2, Groups A, B, C, and D (Pending); ATEX Class I, Zone 2, Ex nC IIC (Pending)
Shock	IEC60068-2-27
Freefall	IEC60068-2-32
Vibration	IEC60068-2-6
MTBF (meantime between failures)	360,000hrs Database: Telcordia (Bellcore), GB
Maritime	DNV (Pending), GL (Pending)
Warranty:
Warranty Period	5 years

Product Category
Product Category	Unmanaged Switch
Mechanical
Dimensions: WxHxD (mm)	53.6mm x 135mm x 105mm
Mounting	Din Rail
IP level	IP30
Enclosure	Metal
Data Rate and Number of Ports
Number of Ports	8
Fast Ethernet, 10/100 Mbps	2
Gigabit, 10/100/1000 Mbps	-
Interface
Interface Type	10/100 Mbps RJ45, 10/100 Mbps RJ45 PoE, 100 Mbps Fiber
Fiber connector	2 Multi-mode SC
PoE	4
M12 Connector	-
SFP
Digital I/O/Relay	-
Console	-
Bypass	-
Modular Design	-
Available Modular	-
Power
Power Input Type	Redundant DC/DC Terminal Block
Operating Supply Voltage	48VDC
Power Consumption	1.6A @ 48VDC
Reliability
Operating Temperature	0C to 60C
Redundancy and Backup Options
Redundancy Technology	Yes
STP/RSTP/PSTP/MSTP	-
Automatic Backup Configurator	Yes
Certification
Certification
UL 508 (Industrial Control)
EN 50155 (Rail Industry)
EN 50121-4 (Rail Industry)
EN 50121-3-2 (Rail Industry)
NEMA TS2 (ITS)
IEC 61850-3 (Power Industry)
IEEE 1613 (Power Industry)
IEEE 1588PTP (Power Industry)
DNV.GL (Marine)
ABS.LR.NK (Marine)
C1D2 (Oil & Gas)
ATEX (Oil & Gas)
Network Management and Control
Layer Level Switching	L2
Modbus/TCP	-
Ethernet/IP	-
PROFINET	-
SNMP/RMON	-
LLDP	-
DHCP	-
IGMP Snooping/GMRP	-
QoS	-
VLAN 802.1Q	-
IEEE 802.1X	-
LACP (802.3ad)
Port Lock	-
IPv6	-

Specification

Interface
DIP Switches	Port break alarm mask
Fiber Ports	100BaseFX ports (SC connector)
LED Indicators	PWR1, PWR2, FAULT, 10/100M, PoE
Alarm Contact	1 relay output with current carrying capacity of 0.5 A @ 48 VDC
PoE Pinout	V+, V+, V-, V- for pin 1, 2, 3, 6 (Endspan, MDI Alternative A)
RJ45 Ports	10/100BaseT(X) auto negotiation speed, Full/Half duplex mode, and auto MDI/MDI-X connection
Power Requirements
Overload Current Protection	2.5 A @ 48 VDC
Reverse Polarity Protection	Present
Input Voltage	48 (46 to 50 V) VDC, redundant inputs
Input Current	Max. 1.6 A @ 48 V (supports up to 4 ports at 15.4 W per PoE port)
Connection	1 removable 6-contact terminal block
Technology
Standards	IEEE 802.3af for Power-over-Ethernet IEEE 802.3 for 10BaseT IEEE 802.3u for 100BaseT(X) IEEE 802.3x for Flow Control
Flow Control	IEEE 802.3x flow control, back pressure flow control
Processing Type	Store and Forward
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)
MTBF (mean time between failures)
Time	406,194 hrs
Database	Telcordia (Bellcore), GB
Physical Characteristics
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)
Housing	Metal, IP30 protection
Switch Properties
MAC Table Size	1 K
Packet Buffer Size	512 Kbit
Standards and Certifications
EMI	FCC Part 15 Subpart B Class A, EN 55022 Class A
Safety	UL 508
Note	Please check Moxa’s website for the most up-to-date certification status.
Shock	IEC 60068-2-27
Vibration	IEC 60068-2-6
EMS	EN 61000-4-2 (ESD) Level 3, EN 61000-4-3 (RS) Level 3, EN 61000-4-4 (EFT) Level 4, EN 61000-4-5 (Surge) Level 4, EN 61000-4-6 (CS) Level 3, EN61000-4-8
Freefall	IEC 60068-2-32
Marine	DNV, GL, LR, ABS, NK
Warranty
Warranty Period	5 years
Details	See www.moxa.com/warranty

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