Moxa EDS-P308-S-SC Технические характеристики онлайн
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Moxa EDS-P308-S-SC Технические характеристики онлайн

Moxa EDS-P308-S-SC Технические характеристики онлайн
1
www.moxa.com
info@moxa.com
Industrial Ethernet Solutions
EDS-P308 Series
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.
Specifications
8-port unmanaged Ethernet switches with 4 IEEE 802.3af PoE ports
Power over Ethernet
› 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)
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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
Processing Type: Store and Forward
Flow Control: IEEE 802.3x flow control, back pressure flow control
Switch Properties
MAC Table Size: 1 K
Packet Buffer Size: 512 kbit
Interface
Fiber Ports: 100BaseFX ports (SC connector)
RJ45 Ports: 10/100BaseT(X) auto negotiation speed, Full/Half duplex
mode, and auto MDI/MDI-X connection
PoE Pinout: V+, V+, V-, V- for pin 1, 2, 3, 6 (Endspan, MDI Alternative
A)
DIP Switches: Port break alarm mask
LED Indicators: PWR1, PWR2, FAULT, 10/100M, PoE
Alarm Contact: 1 relay output with current carrying capacity of
0.5 A @ 48 VDC
Optical Fiber
100BaseFX
Multi-mode Single-mode
Wavelength 1300 nm 1310 nm
Max. TX -10 dBm 0 dBm
Min. TX -20 dBm -5 dBm
RX Sensitivity -32 dBm -34 dBm
Link Budget 12 dB 29 dB
Typical Distance
5 km
a
4 km
b
40 km
c
Saturation -6 dBm -3 dBm
a. 50/125 μm, 800 MHz*km fiber optic cable
b. 62.5/125 μm, 500 MHz*km fiber optic cable
c. 9/125 μm single-mode fiber optic cable
Power Requirements
Input Voltage: 48 (46 to 50 V) VDC, redundant dual inputs
Input Current: Max. 1.6 A @ 48 V (supports up to 4 ports at 15.4 W
per PoE port)
Overload Current Protection: 2.5 A @ 48 VDC
Connection: 1 removable 6-contact terminal block
Reverse Polarity Protection: Present
Physical Characteristics
Housing: Metal, IP30 protection
Dimensions: 53.6 × 135 × 105 mm (2.11 x 5.31 x 4.13 in)
Weight: 840 g
Installation: DIN-rail mounting, wall mounting (with optional kit)

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