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
StandardsIEEE 802.3af for Power-over-Ethernet
IEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X)
IEEE 802.3x for Flow Control
Processing TypeStore and Forward
• Switch Properties
MAC Table Size1 K
Packet Buffer Size512 kbit
• Interface
RJ45 Ports10/100BaseT(X) auto negotiation speed, Full/Half duplex mode, and auto MDI/MDI-X connection
Fiber Ports100BaseFX ports (SC connector)
PoE PinoutV+, V+, V-, V- for pin 1, 2, 3, 6 (Endspan, MDI Alternative A)
DIP SwitchesPort break alarm mask
Alarm Contact1 relay output with current carrying capacity of0.5 A @ 48 VDC
• Optical Fiber
Table 
• Power Requirements
Input Voltage48 VDC, redundant dual inputs
Operating Voltage44 to 57 VDC
Input Current1.47 A @ 48 VDC
Overload Current Protection2.5 A @ 48 VDC
Connection1 removable 6-contact terminal block
Reverse Polarity ProtectionPresent
Power ConsumptionMax. 8.96 W full loading without PDs’ consumption
Power BudgetMax. 61.6 W for total PDs’ consumption
Max. 15.4 W for each PoE port
• Physical Characteristics
HousingMetal
IP RatingIP30 protection
Dimensions53.6 × 135 × 105 mm (2.11 x 5.31 x 4.13 in)
Weight840 g (1.86 lb)
InstallationDIN-rail mounting, wall mounting (with optional kit)
• Environmental Limits
Operating TemperatureStandard 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 Humidity5 to 95% (non-condensing)
• Standards and Certifications
Note: Please check Moxa’s website for the most up-to-date certification status.
SafetyUL 508
EMCEN 55032/24
EMICISPR 32, FCC Part 15B Class A
EMSIEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV
IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m
IEC 61000-4-4 EFT: Power: 4 kV; Signal: 2 kV
IEC 61000-4-5 Surge: Power: 1 kV; Signal: 1 kV
IEC 61000-4-6 CS: Signal: 10 V
IEC 61000-4-8
MarineDNV, GL, LR, ABS, NK
ShockIEC 60068-2-27
FreefallIEC 60068-2-32
VibrationIEC 60068-2-6
• MTBF (mean time between failures)
Time406,194 hrs
StandardTelcordia (Bellcore), GB

Available Models

 Model No.Description
EDS-P308Unmanaged Ethernet switch with 4 10/100BaseT(X) ports, and 4 PoE ports, 0 to 60°C operating temperature
EDS-P308-MM-SCUnmanaged Ethernet switch with 2 10/100BaseT(X) ports, 4 PoE ports, and 2 100BaseFX multi-mode ports with SC connectors, 0 to 60°C operating temperature
EDS-P308-MM-SC-TUnmanaged Ethernet switch with 2 10/100BaseT(X) ports, 4 PoE ports, and 2 100BaseFX multi-mode ports with SC connectors, -40 to 75°C operating temperature
EDS-P308-M-SCUnmanaged Ethernet switch with 3 10/100BaseT(X) ports, 4 PoE ports, and 1 100BaseFX multi-mode port with SC connector, 0 to 60°C operating temperature
EDS-P308-M-SC-TUnmanaged Ethernet switch with 3 10/100BaseT(X) ports, 4 PoE ports, and 1 100BaseFX multi-mode port with SC connector, -40 to 75°C operating temperature
EDS-P308-S-SCUnmanaged Ethernet switch with 3 10/100BaseT(X) ports, 4 PoE ports, and 1 100BaseFX single-mode port with SC connector, 0 to 60°C operating temperature
EDS-P308-S-SC-TUnmanaged Ethernet switch with 3 10/100BaseT(X) ports, 4 PoE ports, and 1 100BaseFX single-mode port with SC connector, -40 to 75°C operating temperature
EDS-P308-SS-SCUnmanaged Ethernet switch with 2 10/100BaseT(X) ports, 4 PoE ports, and 2 100BaseFX single-mode ports with SC connectors, 0 to 60°C operating temperature
EDS-P308-SS-SC-TUnmanaged Ethernet switch with 2 10/100BaseT(X) ports, 4 PoE ports, and 2 100BaseFX single-mode ports with SC connectors, -40 to 75°C operating temperature
EDS-P308-TUnmanaged Ethernet switch with 4 10/100BaseT(X) ports, and 4 PoE ports, -40 to 75°C operating temperature

Optional Accessories

DIN Rail Power Supplies

 Model No.Description
DRP-240-48240W/5A DIN-Rail 48 VDC power supply with universal 85 to 264 VAC input or 120-370 VDC, -10~70°C operating temperature
DR-75-4875W/1.6A DIN-Rail 48 VDC power supply with universal 85 to 264 VAC or 120-370 VDC input, -10 to 60°C operating temperature
DR-120-48120W/2.5A DIN-Rail 48 VDC power supply with universal 88 to 132 VAC or 176 to 264 VAC input by switch, or 248-370 VDC, -10 to 60°C operating temperature

PoE Splitters & Injectors

 Model No.Description
SPL-24PoE splitters
INJ-24AGigabit high power IEEE 802.3af/at PoE+ injectors

FAQ: Is Your Network Infrastructure Ready for the IIoT?

The Industrial Internet of Things (IIoT) trend aims to improve efficiency and productivity by connecting different devices together as well as collecting and analyzing large volumes of data to offer accurate information. However, before reaping the benefits of the IIoT, users need to ensure that the correct infrastructure is in place. To make sure your network is ready for the IIoT, check out five of the most frequently mentioned questions.

FAQ_cover
2015 Industrial Ethernet Solutions Brochure

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PoE Application Portfolio

This guidebook presents 10 different case studies of how advanced networks are taking advantage of the latest developments in PoE technology.

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