Toshiba TOSLINE S20 - Manual (Page 18)

TOSLINE-S20 Active Star Coupler (ASC25) Instruction Manual 6F3B0360
TOSLINE S20 17
6.5 LED 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.
1 2 3 4 5 6 7 8 9
R
E
W
M
M
O
C P
O
10
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 : Not-transmitting
Table 6.3