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Industrial Networking Solutions
Industrial Ethernet Infrastructure
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EDS-P308 Series
8-port IEEE 802.3af PoE unmanaged Ethernet switch
EDS-P308 Series
Introduction
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 classifi cation ›
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: IEEE 802.3x 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 Ports: 100BaseFX ports (SC connector)
LED Indicators: PWR1, PWR2, Fault, 10/100M, PoE
DIP Switch: Port break alarm mask
Alarm Contact: One relay output with current carrying capacity of 0.5A @ 48 VDC
Optical Fiber
Power Requirements
Input Voltage: 48 (46 to 50V) VDC, redundant inputs
Input Current (@ 48 V): 1.6A
Connection: Removable 6-pin terminal block
Overload Current Protection: 2.5A (@ 48 VDC)
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
Physical Characteristics
Housing: IP30 protection, metal case
Dimensions (W x H x D): 53.6 × 135 × 105 mm (2.11 x 5.31 x 4.13 in)
Weight: 840 g
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 model
Storage Temperature: -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity: 5 to 95% (non-condensing)
Regulatory Approvals
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)
Maritime: DNV (Pending), GL (Pending)
EMI: FCC Part 15, CISPR (EN55022) class A
Specifi cations
100BaseFX
Multi Mode Single Mode
Single Mode,
80 km
Wavelength 1300 nm 1310 nm 1550 nm
Max. TX -10 dBm 0 dBm 0 dBm
Min. TX -20 dBm -5 dBm -5 dBm
RX Sensitivity -32 dBm -34 dBm -34 dBm
Link Budget 12 dB 29 dB 29 dB
Typical Distance
5 km
a
4 km
b
40 km
c
80 km
d
Saturation -6 dBm -3 dBm -3 dBm
a. 50/125 μm, 800 MHz*km fi ber optic cable
b. 62.5/125 μm, 500 MHz*km fi ber optic cable
c. 9/125 μm, 3.5 PS/(nm*km) fi ber optic cable
d. 9/125 μm, 19 PS/(nm*km) fi ber optic cable
The certifi cation logos shown here apply to some or all of the products in this
section. Please see the Specifi cations section or Moxa’s website for details.