NS-208A
介绍
The NS-208A has 8 Ethernet ports that support 10/100 Base-TX, with a 10/100M auto negotiation feature and auto MDI/MDI-X function. All Ethernet ports have memory buffers that support the store-and-forward mechanism, which assures that data can be transmitted properly. The NS-208A supports advanced network standards to optimize network performance, reduce maintenance costs, and secure network safety. The flow control mechanism is also negotiated. There is link/data rate LEDs for each port to aid troubleshooting. Port connectors are shielded RJ-45.
应用
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EMS 防护 | |
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ESD (IEC 61000-4-2) | Yes |
LED 灯 | |
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状态 | Power, Link/Act, 10/100M |
以太网 | |
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Ports | 8 x RJ-45, 10/100Base-TX |
标准 | IEEE 802.3, 802.3u, 802.3x |
處理型式 | Store & forward; wire speed switching |
MAC 長度 | 2048 |
幀緩沖存儲器 | 768 Kbit |
流量控制 | IEEE 802.3x flow control, back pressure flow control |
隔离 | 1500 Vrms 1 minute |
电源 | |
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反极性保护 | Yes |
输入范围 | +12 ~ +48 VDC |
功耗 | 20 mA@24 VDC (without loading) 80 mA@24 VDC (Full loading) |
机构 | |
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外壳 | Plastic |
尺寸 (mm) | 31 x 157 x 113 (W x L x H) |
安裝 | DIN-Rail Mounting |
环境 | |
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工作温度 | -40 °C ~ +75 °C |
储存温度 | -40 °C ~ +85 °C |
湿度 | 10% ~ 90% RH, non-condensing |