Allied Telesis FORMULA 8200 - Manual (Page 21)

FORMULA 8200 User’s Guide
2-5
Port LED —
Activity/
Collision
(green/amber) Flashing or
solid green Normal operation when
port receives or transmits
traffic. None
Unlit No traffic None. This state does not indicate any
problems on the port.
Flashing
amber Collisions in half-duplex mode
Note: applies to TX ports only. None. Intermittent collisions are normal.
Port LED —
Link/Diag
(green) Solid green Good cable link status None
Off or
flashing No link if off; a link problem if
flashing Try the following: Verify cable, verify
port speed, verify the state of the
autonegotiation to ensure the port
speeds match (
ETHERNET/SHOW/
PORT ).
Table 2-1 FORMULA 8200 LED States (Continued)
LED LED Color Status Action Required