1-4
Netra t 1120/1125 Service Manual • August 1998
1.2
System LEDs
1.2.1
Netra t 1120
The front panel has seven LEDs:
POWER–Green
This indicator is illuminated at all times when the system is On.
SUPPLY A–Green
Illuminated whenever DC input A is present and the system is
powered on.
SUPPLY B–Green
Illuminated whenever DC input B is present and the system is
powered on.
SYSTEM–Green
This indicator is off (or reset) during power up procedures and is
illuminated whenever UNIX is running and the alarms driver is
installed. It is reset by a hardware Watchdog timeout or,
alternatively, whenever the user-defined Alarm 3 is asserted.
ALARM 1–Amber
Illuminated whenever the user-defined Alarm 1 is asserted.
ALARM 2–Amber
Illuminated whenever the user-defined Alarm 2 is asserted.
SPARE–Amber
For future enhancement.
FIGURE 1-5
Netra t 1120
System LEDs
ALARM 1
ALARM 2
SUPPLY A
SUPPLY B
POWER
SYSTEM
ON
STBY
Power
switch
Содержание Netra t 1120
Страница 10: ...x Netra t 1120 1125 Service Manual August 1998...
Страница 12: ...xii Netra t 1120 1125 Service Manual August 1998...
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Страница 24: ...1 6 Netra t 1120 1125 Service Manual August 1998...
Страница 26: ...2 2 Netra t 1120 1125 Service Manual August 1998...
Страница 58: ...5 2 Netra t 1120 1125 Service Manual August 1998...
Страница 62: ...6 4 Netra t 1120 1125 Service Manual August 1998 FIGURE 6 2 System Power Off Front Panel 1125...
Страница 65: ...Chapter 7 Internal Access 7 3 FIGURE 7 2 Attaching the Wrist Strap to the Rear of the Chassis...
Страница 67: ...Chapter 7 Internal Access 7 5 FIGURE 7 3 Removing the Top Access Cover 1125 Screws Tab...
Страница 69: ...Chapter 7 Internal Access 7 7 4 Replace the two fixing screws FIGURE 7 4 Replacing the Top Access Cover 1125...
Страница 70: ...7 8 Netra t 1120 1125 Service Manual August 1998...
Страница 80: ...8 10 Netra t 1120 1125 Service Manual August 1998 FIGURE 8 6 Removing and Replacing the LED Card 1125 LED card...
Страница 82: ...8 12 Netra t 1120 1125 Service Manual August 1998...
Страница 85: ...Chapter 9 Storage Devices 9 3 FIGURE 9 1 Removing and Replacing a Hard Disk Drive...
Страница 92: ...9 10 Netra t 1120 1125 Service Manual August 1998...
Страница 100: ...10 8 Netra t 1120 1125 Service Manual August 1998 FIGURE 10 4 Removing and Replacing the System Fan Assembly System fan...
Страница 106: ...10 14 Netra t 1120 1125 Service Manual August 1998 FIGURE 10 6 Removing and Replacing a PCI Card 1125 PCI card...
Страница 114: ...10 22 Netra t 1120 1125 Service Manual August 1998 FIGURE 10 9 Removing and Replacing the Alarms Card 1125 Alarms card...
Страница 122: ...10 30 Netra t 1120 1125 Service Manual August 1998...
Страница 124: ...A 2 Netra t 1120 1125 Service Manual August 1998 FIGURE A 1 System Exploded View 1 2 3 4 5 6 8 9 10 11 7 12 13 14...
Страница 130: ...B 4 Netra t 1120 1125 Service Manual August 1998...
Страница 148: ...Index 4 Service Manual August 1998...