Sun Microsystems 817-4054-15, Руководство по обслуживанию

Страница: 166 / 204

11-2 Sun Fire E2900 System Service Manual • May 2006
There are three LEDs on the L2 Repeater board.
TABLE 11-1
lists the LED names and
functions.
11.1.1 Removing an L2 Repeater Board
Caution – Spring fingers and EMI gaskets may detach from the L2 Repeater board
and fall into the system. This may cause damage. Make sure that the EMI gaskets
and spring fingers do not fall into the system.
1. Take the system to Standby mode.
See Section 4.2, “Taking the System to Standby Mode” on page 4-2 .
2. Remove the four input power cables, AC0 through AC4 (
FIGURE 1-3
).
This removes power to the system.
3. Make sure that the leveling feet are extended to the floor.
4. Extend and lock the system cabinet stabilizer bar.
Caution – Failure to extend and lock the stabilizer bar before you slide a system out
of the rack will cause the system cabinet to tip over.
5. Slide the system out of the system cabinet until the locking latches click.
See Section 3.1, “Sliding the System Out of the System Cabinet” on page 3-1 .
6. Be sure that you have a replacement board ready.
7. Attach a wrist strap. Place a grounded ESD mat close to the system.
See Section 2.8, “Antistatic Precautions” on page 2-6 .
TABLE 11-1
L2 Repeater Board LED Functions
LED Name On Off
Activated LED
(green) Board is activated. Board is deactivated.
Fault LED (amber) Internal fault. No internal fault.
OK to remove LED
(blue or amber) Board can be removed. Board can not be removed.