产品设置: |
【屏蔽线的设置】 |
CE703的出厂设置满足大多数用户的需求,用户可以设置是否连接75ohm铜轴到120ohm接口间的屏蔽线路 |
跳线配置如下图所示: |
RJ-48(120ohm) Jumper Coax BNC(75ohm) |
Pin3(TX Shield) JP1 Tx OUT Shield |
Pin6(TX Shield) JP2 Rx IN Shield |
(注:产品出厂时已经断开JP1,JP2.) |
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【双绞线/铜轴电缆接线安排】 |
图一: RJ45引脚图
图二: 铜轴接头BNC外观图
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接线说明: |
Signal
|
RJ45 Description
|
DTE RJ45
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BNC Description
|
DTE BNC
|
TxA
|
Transmit Output Negative |
1
|
Receive Input |
Tip |
TxB
|
Transmit Output Positive |
2
|
Receive Ground |
Ring |
RxA
|
Receive Input Negative |
4
|
Transmit Output |
Tip |
RxB
|
Receive Input Positive |
5
|
Transmit Ground |
Ring |
S1
|
Transmit Ground |
3
|
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S2
|
Receive Ground |
6
|
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