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6F3B0360 |
6.5LED display
Status display LEDs are found on the front panel of the unit of Active Star Coupler. Through these LEDs, the operating status of Active Star Coupler is identified.
(1)Display and name of LED
Arrangement and names of LEDs on the front panel of ASC25 are shown below.
R
M E 1 2 3 4 5 6 7 8 9 10 M W
O O
C P
Figure 6.4
(2)Description
Description of LEDs is given below.
Name of LED |
| Description |
POWER | Normal/Abnormal of power supply to the Active Star Coupler are displayed. | |
| Turned ON | : Normal |
| Turned OFF | : Abnormal |
|
| ¡: State of absence of power supply |
|
| ¡: State of fuse blown |
COMM | Indicating the power source "ON" of Active Star Coupler and the | |
| acceptance of data from station. | |
| Turned ON | : Normal |
| Turned OFF | : Abnormal |
|
| ¡: Power source of Active Star Coupler is "OFF". |
|
| ¡: Power source of whole stations is "OFF". |
|
| ¡: Transmission cables from whole stations are broken. |
|
| ¡: No station is connected. |
TX1 - 10 | Indicating transmission mode on each port. | |
| Turned ON | : Transmitting |
| Turned OFF | : |
Table 6.3
TOSLINE S20 | 17 |