LED indicators

Diagnostics

5.5.2Ethernet LED

A single green LED indicates the operational status of the Ethernet port. If the LED is blinking, the Ethernet port is connected and transmitting traffic.

5.5.3WAN LEDs

The WAN LEDs indicate the transmission status of the two T1 interface ports and their loopback status. Both T1 indicators are implemented by two tri-color (green/red/yellow) LEDs. Table 5-2describes the WAN LEDs.

 

Table 5-2. WAN LEDs

 

 

LED

Description

 

 

GREEN (ON)

Normal operation, no alarm.

 

 

RED (ON)

Major alarm. No signal or loss of frame. Loss of signal indicates the

 

Rx signal at the T1 port is below a sufficient level. Loss of frame

 

indicates the line cannot recover framing from the Rx signal.

 

 

RED (BLINKING)

Returning to normal state after a major alarm.

 

 

YELLOW (BLINKING)

Minor alarm. Excessive error rate. This indicates the T1 framer is

 

able to recover framing from the Rx signal, but the measured bit error

 

rate is greater than or equal to allowable limits.

 

 

YELLOW (ON)

Minor alarm. Loss of signal or loss of frame on remote side.

 

 

GREEN (BLINKING)

WAN test in progress.

 

 

5.5.4Power LED

A single green LED indicates the operational status of the power supply to the unit. If the LED is ON, the power is connected.

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Zhone Technologies Z-PLEX-10-24-DOC-SC manual Ethernet LED, WAN LEDs, Power LED, LED indicators Diagnostics

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