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Alcatel-Lucent
Beta Beta
OmniAccess 740 Hardware User’s Guide
Serial Card (V.35/X.21) LEDs
The LEDs on the Serial line card indicates Active or Fault condition. The 4x4
LEDs on the front of the card indicates the Active Loopback, DTE/DCE, Receive
Clock, and Transmit Clock for the 4 ports.
The following tables describe status of LEDs on the Serial card.
Table 12: Serial Card (V.35/X.21) LEDs
Table 13: Serial (V.35/X.21) Port LEDs
LED Status Description
Active Green Serial card is active.
Yellow Indicates transient conditions (e.g.,
booting).
Fault Red Reload in progress.
LED Status Description
Active/LB Green - On Indicates ports are ready and interfaces
are enabled.
Green - Off Indicates ports are not ready and
interfaces are disabled.
Yellow - On Ports in Loopback Mode.
Yellow - Off Ports are not in Loopback Mode
DTE/DCE Green - On DTE cables are plugged-in
Yellow - On DCE cables are plugged-in
Off Cables not plugged in
RX Clk Green - Flashing DTE Receive Clock In
DCE Receive Clock Out
Off No Receive Clock
TX Clk Green - Flashing DTE Transmit Clock In
DCE Transmit Clock In
Off No Transmit Clock