ER3108自制console线,两端线分别怎么排。一端9孔的怎么处理。路由器忘记密码了,登录不了。重置按钮也没有,提示通过console线连接修改密码。有工具想自制一条
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最佳答案
Lets start crimping the RJ45 connector. I personally use TIA/EIA 568A wiring diagram to all my cables, so I will continue doing so:
If you never crimped a RJ45 before, please refer to this video:
(credit: video from ***.***)
There are many videos/sites showing how to crimp.
Just make sure you follow, in this case, TIA/EIA 568A wiring diagram
The following diagram shows how each cable, by color, should be connected:
CAT5 DB9 Pin
Green-White 8
Green 6
Orange-White 2
Blue 5
Blue-White 5
Orange 3
Brown-White 4
Brown 7
The Blue/White and Blue must both connect to pin 5 on the DB9. Pins 1 and 9 are not connected.
This is the RS232 Pins assignment (for reference)
Pin 1 - Received Line Signal Detector (Data Carrier Detect)
Pin 2 - Received Data
Pin 3 - Transmit Data
Pin 4 - Data Terminal Ready
Pin 5 - Signal Ground
Pin 6 - Data Set Ready
Pin 7 - Request To Send
Pin 8 - Clear To Send
Pin 9 - Ring Indicator
That's it.
Cant be simpler than that.
cheers
PC
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