參數(shù)資料
型號： GT-48002A
廠商： Galileo Technology Services, LLC
英文描述： Switched Fast Ethernet Controller for 100BaseX(100BaseX交換式快速以太網(wǎng)控制器)
中文描述： 交換式快速以太網(wǎng)控制器（100BaseX交換式快速以太網(wǎng)控制器的100BaseX）
文件頁數(shù)： 66/102頁
文件大?。?/td> 1001K
代理商： GT-48002A
GT-48002A Switched Fast Ethernet Controller
66
Revision 1.2
17.2.1.1 Primary Port Status LED in Mode 0: (LEDMode input is LOW)
In this mode, the Port Status LED provides the following information:
if Port is disabled
Port Status LED is OFF;
else if Link Integrity test failed
Port Status LED blinks once;
else if Partition State detected
Port Status LED blinks twice;
else Everything is OK (Port Status LED is ON)
17.2.1.2 Status LED blink timing (Mode 0)
Link Integrity test failed, Status LED blinks once. Primary status bit is active for 500 ms every 5s.
Partition, Status LED blinks twice. Primary status bit is activated twice every 5seconds for 500 ms each time, with a pe-
riod of 1500 ms between two consecutive activations.
Figure 16: Primary Status LED Timing (Port Partitioned)
17.2.1.3 Primary Port Status LED (Mode 1): (LEDMode input is HIGH)
In this mode, the Port Status LED initially displays the port link status information (indication type a) and then switches
to reflect the port traffic (Transmit or Receive) activity (indication type b). The switching between the two types of indi-
cations is as follows:
Indication type a:
The Port Status LED indicates the port link status for a period of about 3 to 3.5 seconds (active - link test passes, inac-
500ms
5 seconds
Link Intregrity Test Fails: Primary Status LED Blinks 500ms every 5 seconds
500ms
5s
Port Partitioned: Primary Status LED blinks twice for 500 ms every 5 seconds
500ms
1500 ms
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