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| 型號： | DM9331A |
| 文件頁數(shù)： | 40/43頁 |
| 文件大小： | 509K |
| 代理商： | DM9331A |
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DM9331
100 Mbps Twisted Pair/Fiber Ethernet Media Converter Chip
40
Preliminary
Version: DM9331-DS-P02
September 21, 2001
10. Link Fault Propagation LED Display
Since the media converter is a
“
dummy
”
device, the link fault
propagation becomes very important. The devices at the
both ends need to know whether the link is OK or Non-OK
on the whole path.
Figure 10 shows the DM9331 to the DM9331 connection.
The whole path is separated into local device (LD), local
converter (LC), remote converter (RC) and remote device
(RD), and three segments of transmit and receive
connection. Table 10 lists the LED status of all devices. It
shows the current link status of all the devices when they are
at auto-negotiation modes.
DM933
1
DM933
1
LC
DM933
1
DM933
1
RC
Remote Converter
Local Converter
LT
RT
FT
TP
FX
FX
TP
Local Device
Remote Device
RR
FR
LR
LD
RD
Figure 10
Local
device
Link
LED
off
off
off
Local Converter
Remote Converter
Remote
device
Link
LED
off
on
off
TP side
FX side
FX side
TP side
Condition
(auto-
negotiation )
LT disconnect
LR disconnect
LT & LR
disconnect
FT disconnect
FR disconnect
FT & FR
disconnect
RT disconnect
RR disconnect
RT & RR
disconnect
Link LED Fault LED Link LED Fault LED Link LED Fault LED Link LED Fault LED
off
on
on
off
off
off
on
off
off
on
on
off
on
on
on
on
off
on
off
on
off
off
off
off
off
off
off
off
off
off
off
off
off
on
off
off
on
on
on
off
on
off
on
on
on
off
off
off
off
off
off
off
off
off
on
off
off
on
off
off
off
off
off
on
on
on
off
on
on
on
on
on
off
off
off
off
off
off
off
on
on
off
off
off
Table 10
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DM9338 | |
| DM9334 | 8-Bit Addressable Latch |
| DM9334N | 8-Bit Addressable Latch |
| DM9348 | |
| DM93L00 | |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM9331AE | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:100 Mbps Twisted Pair/Fiber Ethernet Media Converter Chip |
| DM9332 | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:10/100Mbps Ethernet Fiber/Twisted Pair Single Chip Media Converter |
| DM9332EP | 制造商:DAVICOM 制造商全稱:DAVICOM 功能描述:10/100Mbps Ethernet Fiber/Twisted Pair Single Chip Media Converter |
| DM9334 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:8-Bit Addressable Latch |
| DM9334 WAF | 制造商:Texas Instruments 功能描述: |
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