Owner manual

LEDs

The MDAs have two bicolor LEDs on each port: one marked TX

(transmit) and one marked RX (receive).

Table 6 describes the

LEDs.

Table 6 MDA LED indications

Label Color State Meaning

TX Green Steady Indicates network activity for the

corresponding port. A very low level of

network activity (approximately 1-5 pps) can

cause the LED to blink.

— Off The port is not transmitting data (no network

activity).

Amber Blinking The port is out of order; the administrative

state is down.

RX Green Blinking Indicates network activity for the

corresponding port (the port is receiving

traffic).

Green Steady The port is operational; no network activity.

Amber Blinking The port is not operational; the administrative

state is down.

Amber Steady A Remote Defect Indication (RDI)

alarm

condition has been detected; the

administrative state is down.

— Off The port is not operational (be sure that the

MDA is fully seated in the slot; check that the

port is properly configured).