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| Categories: | Switches and Converters with Metal Cases | Industrial Unmanaged Fiber Switches |
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| Resources: |  User's ManualData SheetData SheetFCC CertificationCE Certification 
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The NS-208PSE-4/NSM-208PSE-4 is an 8-port unmanaged Ethernet with 4-PoE (Power-over-Ethernet) switch, it supports 4-PoE port which are classified as power source equipments (PSE).The NS-208PSE-4/NSM-208PSE-4 makes centralized power supply come true and provides up to 15.4 watts of power per port. The NS-208PSE-4/NSM-208PSE-4 can be used to power IEEE802.3af compliant powered devices (PD) by Ethernet cable and eliminates the need for additional power wiring.
| Technology | |
| Standards | IEEE 802.3, 802.3u, 802.3x ,802.3af (Power over Ethernet) |
| Processing Type | Store & forward, wire speed switching |
| MAC Addresses | 1024 |
| Memory Bandwidth | 3.2 Gbps |
| Frame Buffer Memory | 512 Kbit |
| Flow Control | IEEE802.3x flow control, back pressure flow control |
| Interface | |
| RJ-45 Ports | 10/100 Base-T(X) auto negotiation speed, F/H duplex mode, and auto MDI/MDI-X connection |
| LED Indicators | Power, Link/Act , Power Device is detected |
| Ethernet Isolation | 1500 Vrms 1 minute |
| +/-6 kV EMS Protection | Yes |
| Power Input | |
| Input Voltage Range | +46 ~ +55 VDC for PoE output |
| Power Consumption | 0.12 A @ 48 VDC with PoE Off |
| Protection | Power reverse polarity protection |
| Frame Ground for EMS Protection | Yes |
| Connection | 3-Pin Removable Terminal Block |
| PoE Output | |
| PoE Compliance | 100% IEEE 802.3af compliant |
| PoE Classification | PSE (Power Sourcing Equipment) |
| PoE Voltage | +46 ~ +55 VDC depending on power input |
| PoE Power | Up to 15.4 watts per channel |
| PoE Operation | Automatic detection and power management |
| Mechanical | |
| Casing | Metal (IP30 Protection) |
| Dimensions (W x L x H) | 25 mm x 168 mm x 119 mm |
| Installation | DIN-Rail |
| Environmental | |
| Operating Temperature | -40 °C ~ +75 °C |
| Storage Temperature | -40 °C ~ +85 °C |
| Ambient Relative Humidity | 10% ~ 90% RH, non-condensing |
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