Scheda tecnica
RJ45 Ports
10/100Base-TX Connectors: RJ-45 (4)
Port Configuration: Auto MDI/MDI-X
Port Speed: Auto-negotiate
Electro Static Discharge (ESD)
Protection: 6KVDC
SFP Ports
Data Rate: 100Base-FX/BX/LX # of SFP
Ports: 1
Optical Fiber Type: Varies by SFP
Optical Distance: Varies by SFP
PoE (MC251-4P/1S only)
PoE Standard: IEEE 802.3af
Power over Ethernet / PSE PoE
Power Supply Type: End-Span PoE
Power Output: Per Port 48VDC, 350mA. Max. 15.4Watts
Power Pin Assignment: 1/2(+), 3/6(-)
Switch Performance
Switch Architecture: Store-and-Forward
Switch Fabric: 1Gbps / non-blocking
Throughput (Packet per second): 0.744Mpps@64bytes
Address Table: 2K entries Shared
Data Buffer: 1Mbit on-chip frame buffer
Maximum Frame Size: 1522
Bytes packet Flow Control: Back pressure for Half-Duplex, IEEE 802.3x PAUSE Frame for Full-Duplex
LED Indicators
Power: Power input 1 – Green; Power input 2 –
Green Power Fault: Proper Operation – Off; Fault –Green RJ-45 (10/100Mbps): 100Mbps Activity – Green; 10Mbps Activity – Off Fiber (100Base-FX): Connected to network – Green Optical Link: Link established – Steady Green; TX/RX Activity – blinking green PoE (MC251-4P/1S only): PoE in use – Amber –
Electrical & Mechanical
Supply Voltage: 24 ~ 48VDC or 24VAC
Power Consumption (Full load): 77Watts Max. Electrical Fast Transient (EFT)
Protection: 6KVDC Power and Alarm Fault
Connector: 6-pin removable screw terminal
Alarm Fault Relay: Provides one relay output for power failure notification; 24VDC – 1A max.
Enclosure: IP-30 slim-type metal enclosure
Mounting: DIN-rail kit and wall-mount ears
Dimensions (in/mm) (W x D x H): 2.20 x 3.46 x 5.31 in (56 x 87.6 x 135 mm)
Weight (lbs./kg): 1.86 lbs./0.842kg
Environmental
MTBF: > 100,000 Hrs @ 25°C
Operating Temperature: -40°C ~ 75°C
Storage Temperature: -40°C ~ 85°C
Relative Humidity: 0% ~ 90% (non-condensing)
Standards Compliance
IEEE Standards: IEEE 802.3 10Base-T; IEEE 802.3u 100Base-TX /100Base-FX; IEEE 802.3x Flow Control and Back pressure IEEE802.3-af PoE (15.4w) – MC251-4P/1S only IEC
Standards: IEC60068-2-32 (Free fall) IEC60068-2-27 (Shock) IEC60068-2-6 (Vibration) EIA/TIA-568
Standards: 2-Pair UTP Cat. 3, 4, 5 (100meters, max.) EIA/TIA-568 100-ohm STP (100meters, max.)
Regulation: FCC Part 15 Class A, CE
Accessories SFP: S20 Series SFP: S25 Series (wide-temp) 613
P-EU: 100-240V AC Input 13.5V DC 1.3Amp
Output Power Supply Brick model EU plug (for use with MC250- 4T/2S) 613
P-UK: 100-240V AC Input 13.5V DC 1.3Amp Output Power Supply Brick model UK plug (for use with MC250- 4T/2S) PS48VDC240
W-EU: 100-240V AC Input 48V DC 5A Output Power Supply Hardened Brick model with EU plug PS48VDC240
W-UK: 100-240V AC Input 48V DC 5A Output Power Supply Hardened Brick model with UK plug
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