Direct-current level detection circuit between high-speed signal line ports, system comprising the circuit and manufacturing method and application method thereof
一种检测电路、连接端口的技术,应用在检测可插接式模块与相应插槽间连接状态领域,能够解决MOD-ABS被占用等问题,达到提高安装精度、扩展功能性、广泛应用前景的效果
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Embodiment 2
[0061] Such as Figure 5 As shown, the DC level detection circuit 300 between the high-speed signal line connection ports A and B includes a first resistor R1 , a second resistor R2 , a low-pass filter 320 , and a signal detection port 330 . One end or terminal of the first resistor R1 is connected to the second port B of the high-speed signal line 342 , and the other end or terminal of the resistor R1 is grounded. One end or terminal of the second resistor R2 is connected to the first port A of the high-speed signal line 340 , and the other end or terminal of the resistor R2 is grounded and connected to the DC voltage source VCC. The low-pass filter 320 is connected (eg, at the output end) to the signal detection port 330 , and the other end (eg, input) of the low-pass filter 320 is connected to the first port A of the high-speed signal line 340 . The resistance of the second resistor R2 is 5 or 6 times the resistance of the resistor R1. When the ports A and B are not conne...
Embodiment 300
[0064] The exemplary embodiment 300 utilizes one or more ports for powering and signal detection functions of the pluggable module. In typical embodiments the 300 operates over Figure 1-2 While the exemplary embodiment 10 is slightly more complex (e.g., pluggable modules must be powered), this design also simplifies the design and operation of hardware protection slots (e.g., host devices) and enables module manufacturers to More functions are integrated in the module and reduce the burden on the manufacturer of the hardware containing the socket.
[0065] involves and uses Figure 4 The method shown for the level and / or connection status detection circuit is also applicable to the Figure 5 The level detection circuit 300 is shown.
[0066] The above detection circuits 10, 100 and 300 are all suitable for detecting the connection status of high-speed signal line ports in various communication devices, including optical, electrical or photoelectric devices. The above dete...
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