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參數(shù)資料
| 型號： | 82555 |
| 廠商： | INTEL CORP |
| 元件分類： | 網(wǎng)絡(luò)接口 |
| 英文描述： | 10/100 Mbps LAN physical layer interface |
| 中文描述： | DATACOM, ETHERNET TRANSCEIVER, PQFP100 |
| 封裝： | PLASTIC, MQFP-100 |
| 文件頁數(shù)： | 43/58頁 |
| 文件大?。?/td> | 863K |
| 代理商： | 82555 |
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Datasheet
39
Networking Silicon — 82555
9.0
LED Descriptions
The 82555 supports four LED pins to indicate link status, network activity and network speed.
Link
: This LED is off (logic high) until a valid link has been detected. After a valid link has
been detected, the LED will remain on (active-low).
Activity
: This LED is on (active-low) when activity is detected on the wire. In DTE (adapter)
mode, this LED is on during transmit and receive when the 82555 is not in loopback mode. In
repeater mode, this LED is on only during receive when the 82555 is not in loopback mode.
Speed
: This LED will be on if a 100BASE-TX link is detected and off if a 10BASE-T link is
detected. If the link fails while in Auto-Negotiation, this LED will keep the last valid link state.
If 100BASE-TX link is forced this LED will be on, regardless of the link status. This LED will
be of if the 10BASE-T link is forced, regardless of the link status.
Full Duplex: The FDX_N signal can operate as a LED if it is enabled. It indicates full duplex
link for either 100BASE-TX or 10 BASE-T technology.
MDI register 27 in
Section 7.2.3.9, “Register 27: 82555 Special Control Bit Definitions” on
page 34
details the information for LED function mapping and support enhancements.
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|---|---|
| 825551 | 制造商:MACOM 制造商全稱:Tyco Electronics 功能描述:Junior Power Timer Kontake |
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| 82-5558 | 功能描述:射頻適配器 - 系列之間 BNC JACK TO N PLUG M55339/20-00201 RoHS:否 制造商:Amphenol Connex 側(cè)1射頻系列:SMA 側(cè)1性別:Jack (Female) 側(cè)1極性:Normal 側(cè)1體類型:Bulkhead 側(cè)2射頻系列:TNC 側(cè)2性別:Jack (Female) 側(cè)2極性:Normal 側(cè)2體類型:Bulkhead 阻抗:50 Ohms 適配器類型:Straight 頻率范圍:DC to 11 GHz 觸點電鍍:Gold 外殼電鍍:Gold 主體材料:Brass |
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