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IP178C/IP178C LF/IP178CH/IP178CH LF
Datasheet
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June 21, 2007
Copyright © 2004, IC Plus Corp.
IP178Cx-DS-R12
LED display (normal operation)
Normal operation
LED_O_SEL
LinK_LED
SPEED_LED
FDX_LED
00
Off: link fail
On: 10 Mbps link ok
Flash: Tx/Rx
Off: link fail
On: 100 Mbps link ok
Flash: Tx/Rx
Off: half duplex
On: full duplex
01
Off: link fail
On: link ok
Flash: Rx
Off: 10 Mbps
On: 100 Mbps
Off: half duplex
On: full duplex
Flash: collision
10
Off: link fail
On: 10 Mbps link ok
Flash: Tx/Rx
Off: link fail
On: 100 Mbps link ok
Flash: Tx/Rx
Off: half duplex
On: full duplex
Flash: collision
11
Off: link fail
On: link ok
Flash: Tx/Rx
Off: 10 Mbps
On: 100 Mbps
Off: half duplex
On: full duplex
Flash: collision
Flash behavior: On 44ms
Off 176ms
On 44ms
…
When link quality is poor
LED_O_SEL
LinK_LED
SPEED_LED
FDX_LED
Don’t care
Flash
Flash behavior: Off 2s
On 2s
Off 2s
…
SCA
See SCA paragraph for detail information
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