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參數(shù)資料
| 型號： | IP113 |
| 英文描述： | 10/100Base-T to 100Base-FX Converter |
| 中文描述： | 10/100至100Base - FX光纖轉換器 |
| 文件頁數(shù)： | 13/27頁 |
| 文件大?。?/td> | 186K |
| 代理商： | IP113 |
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IP113
Capability Changing
Preliminary, Specification
subject to change without notice
13
IP113-DS-P07
Jul. 19, 2002
If the remote station does not support IEEE802.3x and
has full duplex capability, IP113 supports a private
mechanism to handle flow control to prevent packet loss.
It is called capability changing and is controlled by the
parameter Update_r4_en.
When the remote station does not support IEEE802.3x
and has full duplex capability and Update_r4_en is
turned on, the port changes its ability to half duplex to
make the remote station link at half duplex after Nway.
IP113 handles the data flow of segment by backpressure.
To do this, the port keeps silence to force the remote
node link failure and changes its capability to half duplex
then restarts Nway. Both side of the segment will be link
at half duplex.
When the remote station does not support IEEE802.3x
and has full duplex capability and Update_r4_en is
turned off, the port turns off its IEEE802.3x capability and
is link at full duplex after Nway. There is no flow control
between these two nodes in this application. The detail
operation is illustrated in the following table.
Conditions
UPDATE_
R4_E
x
x
0
0
0
0
1
1
1
1
Result
X_EN
REMOTE_IEEE
802.3X
x
x
1
1
0
0
1
1
0
0
BK_EN Remote site My site Remote site My site
My
802.3x
off
off
on
off
off
off
on
off
off
off
My back
pressure
off
on
off
off
off
off
off
on
on
on
x
x
1
0
1
0
1
0
1
0
0
1
x
x
x
x
x
x
x
x
half
half
full/half
full/half
full/half
full/half
full/half
full/half
full/half
full/half
X
X
half
half
full
full
full
full
full
half
half
half
half
half
full
full
full
full
full
half
half
half
full/half
full/half
full/half
full/half
full/half
full/half
full/half
full/half
Aging
IP113 support address aging and buffer aging. If the
address aging is enabled, the learned SA will be cleared
if it is not refreshed within the specified aging time (300
seconds).
Broadcast Storm Protection
IP113 is able to prevent receiving too many broadcast
packets to waste the switch resource. IP113 discards the
incoming broadcast packets depending on the setting of
Bf_stm_en if the number of broadcast packets from a
port exceeds threshold. The threshold can be set by
writing Bq_hwm_0_sel[1:0].
相關PDF資料 |
PDF描述 |
|---|---|
| IP113M | Managed 10/100Base-TX / FX Media Converter |
| IP117AK-BSS2 | Voltage Regulator |
| IP117AK-DESC | Voltage Regulator |
| IP117AR | Voltage Regulator |
| IP117AR-883B | Voltage Regulator |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| IP113ALF | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:10 /100Base-Tx/Fx Media Converter |
| IP113ALF-DS-R01 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:10 /100Base-Tx/Fx Media Converter |
| IP113ALF-DS-R02 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:10 /100Base-Tx/Fx Media Converter |
| IP113ALF-DS-R03 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:10 /100Base-Tx/Fx Media Converter |
| IP113ALF-DS-R04 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:10 /100Base-Tx/Fx Media Converter |
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