概述:
Allen-Bradley 1783-US8T Stratix 2000 以太网非网管交换机具有 8 个 RJ45 10-100 铜质端口和 10-100 Mbps 的以太网数据速率。此交换机使用基于数据包的阈值,每个端口 20 Mbps 的广播风暴阈值为 10 pps,每个端口 200 Mbps 的广播风暴阈值为 100 pps。还提供黄色和绿色状态指示器,这些指示器的闪烁率为 105 毫秒。通过指示器,您可以查看交换机网络连接或网络活动、端口速度和电源的当前状态。它使用DIN导轨进行安装,具有开放式外壳,尺寸为5.31 x 4.19 x 2.11英寸。
对于直流电源连接,1783-US8T 交换机需要 0.75 至 2.5 mm2 (18-14 AWG) 双绞线铜线。对于功能性接地连接,电线应为 2.5 mm2 (14 AWG) 铜线,并带有合适的环形端子。电线的额定温度应比交换机外壳外的周围环境温度高 30 ËšC。
周围最高空气温度为 60 ËšC,1783-US8T 的非冷凝相对湿度范围为 5-95%。其工作温度为 0-60 ËšC,非工作温度为 -40-85 ËšC。工作振动在2-10 Hz时为500 g,工作冲击为15 g,非工作冲击为30 g,
在4V AC/DC时最大功率耗散为04.24 W,额定电流为361 mA。1783-US8T 开关的最大浪涌电流为 2.2 A,所需电源为 24V(18-60V DC、18-30V AC、50-60 Hz),2 类/SELV。该开关还具有从电源到网络通道的 30V 连续隔离电压,该电压已在 500V AC 下进行了 60 秒的型式测试,属于基本绝缘类型。请注意,1783-US8T 交换机在各个网络通道之间没有隔离。
The Allen-Bradley 1783-US8T Stratix 2000 Ethernet unmanaged switch features eight RJ45 10-100 copper ports and Ethernet data rates of 10-100 Mbps. This switch uses a packet-based threshold, with a broadcast storm threshold of 10 pps for 20 Mbps per port and 100 pps for 200 Mbps per port. Yellow and green status indicators are also provided, and these indicators have a flashing rate of 105 milliseconds. With the indicator, you can see the current status of switch network connection or network activity, port speed, and power supply. It is mounted using DIN rails, has an open housing and measures 5.31 x 4.19 x 2.11 inches.
For DC power connections, the 1783-US8T switch requires 0.75 to 2.5 mm2 (18-14 AWG) twisted pair copper wire. For functional ground connections, the wire should be 2.5 mm2 (14 AWG) copper wire with suitable ring terminals. The rated temperature of the wire should be 30 E? C higher than the ambient temperature outside the switch housing.
The maximum ambient air temperature is 60 E? C, and the non-condensing relative humidity range of 1783-US8T is 5-95%. The operating temperature is 0-60 E? C and the non-operating temperature is -40-85 E? C. Working vibration is 500 g at 2-10 Hz, working shock is 15 g, non-working shock is 30 g,
The maximum power dissipation at 4V AC/DC is 04.24W and the current rating is 361 mA. The 1783-US8T switch has a maximum surge current of 2.2A and requires 24V (18-60V DC, 18-30V AC, 50-60 Hz), Class 2 /SELV. The switch also has a 30V continuous isolation voltage from the power supply to the network channel, which has been type-tested for 60 seconds at 500V AC and is of the basic insulation type. Note that the 1783-US8T switch is not isolated between individual network channels.
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