Reset Button - Hitachi US7070447-001 Troubleshooting Manual

Draft Level—Hitachi Confidential
Table 3-1. LED status
Unlit
Port LED — Flashing
Activity/Collision or solid
(green/amber) green
Unlit
Flashing
amber
Port LED — Link/ Solid
Diag (green) green
Unlit or
flashing

Reset Button

The Reset button, located on the front panel of the switch, allows you to manually
recycle power and reset the switch. Pressing the Reset button initiates a warm
boot of the system and generates power-on self test (POST) and diagnostics. The
button is recessed into the unit to prevent accidental resets. Use the tip of a pen or
pencil to reset the switch.
US7070447-001, Rev 01
No power to switch Check to see if switch is on. If so, turn it off and
reboot. If LED remains unlit, replace the switch.
Normal operation None.
when port receives or
transmits traffic
No traffic None.
Collisions in None.
half-duplex mode (TX
only)
Good cable link status None.
No link if unlit; a link Try the following: verify cable, verify port speed,
problem if flashing verify the state of the autonegotiation to ensure the
port speeds match.
Hardware Diagnostics
3-3