參數(shù)資料
型號： LXT9863HC
英文描述： LAN HUB CONTROLLER
中文描述： 局域網(wǎng)集線器控制器
文件頁數(shù)： 34/96頁
文件大小： 1309K
代理商： LXT9863HC
LXT980/980A Dual-Speed, 5-Port Fast Ethernet Repeater
34
Datasheet
Table 13. LED Mode 1 Indications
LED
Operating
Mode
Hardware Control
Software Control
On
Blink
Off
PORT
n
LED1
10 Mbps
operation
Link up, not partitioned
N/A
Any other
state
Off via Port LED Control
Register, address 0B2
100 Mbps
operation
Link up, not partitioned,
not isolated
N/A
Any other
state
PORT
n
LED2
10 Mbps
operation
Link up, partitioned
N/A
Any other
state
100 Mbps
operation
Link up, partitioned or
isolated
N/A
Any other
state
PORT
n
LED3
Auto-neg
enabled
100 Mbps link up
No link,
(fast blink)
1
Any other
state
Auto-neg
disabled
100 Mbps link selected,
link may be up or down
N/A
Any other
state
RPS
Any
Present, fault
N/A
Any other
state
N/A
Global
FAULT
Any
Any port partitioned, any
port isolated or RPS fault
N/A
Any other
state
Off via global LED Control
Register, address 0B1
1. Setting AUTO_BLINK (Pin 74) High disables blink (
LXT980A only
).
Table 14. LED Mode 2 Indications
LED
Operating
Mode
Hardware Control
Software Control
On
Blink
Off
PORT
n
LED1
Any
10M:
Port enabled,
link up, not
partitioned
100M:
Port enabled,
link up, not
partitioned, and not
isolated
10M:
Port enabled,
link up, and
partitioned
100M:
Port enabled,
link (partitioned or
isolate)
(slow blink)
Any other state
On, Off or fast Blink via
Port LED Control
Register, Address 0B2
PORT
n
LED2
(LXT980)
Any
N/A
N/A
Always off
PORT
n
LED2
(LXT980A)
10 or 100
Mbps ops
Receive activity
(20 ms pulse)
N/A
Any other state
PORT
n
LED3
Auto-neg
enabled
100 Mbps link up
No link
(fast blink)
1
10 Mbps link up
Auto-neg
disabled
100 Mbps selected,
link may be up or
down
N/A
10 Mbps selected,
link may be up or
down
RPS
Any
Present, no fault
Present, fault
Not present
N/A
Global
FAULT
Any
N/A
Any port partitioned,
any port isolated or
RPS fault (slow
blink)
Any other state
On, off, or slow blink via
global LED Control
Register, address 0B1
1. Setting AUTO_BLINK (Pin 74) High disables blink (
LXT980A only
).
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