airFiber - What do the LED patterns on AF24 unit mean?

Question


What do the LED patterns on AF24 unit mean?

 

Answer


 

The AF24 unit displays information for the radio operator helpful in alignment and troubleshooting an link. The picture above shows the ports and LEDs. The table below explains the meanings for each LED pattern.

  

  DATA Port AUX Port LED Display CONFIG Port
Left LED Speed
  • Off - 10/100 Mbps Negotiation
  • On - 1000 Mbps Negotiations
GPS
  • Off - No GPS Sync
  • On - Operational; Strong GPS Signal
  • Normal* - Operational; Weak GPS Signal

Master/Slave Unit

  • Off - Slave Mode
  • On - Master Mode

Speed

  • Off - 10 Mbps Negotiation
  • On - 100 Mbps Negotiation
Middle N/A N/A

 

 

LED Display - RX Power (-dBm)

  • Number - Decodable RX Signal
  • Flashing Number - Undecodable RX Signal
  • "oL" - Overload Condition (too strong of signal; suggestion is to lower TX power)

N/A

Right LED

Link Activity

  • Off - No Ethernet Link
  • On - Ethernet Link Establish
  • Random* - Ethernet Activity (Data passing, etc.)

Modulation

  • Off - 1x (QPSK SISO)
  • Short* - 2x (QPSK MIMO)
  • Normal* - 4x (16QAM MIMO)
  • Long* - 6x (64QAM MIMO)

RF Link Status

  • Off - RF Offline (The radio is not communicating with any other stations)
  • Short* - Syncing (The radio is syncing with the GPS hardware)
  • Normal* - Beaconing (The radio is looking for a slave radio to associate and begin communicating)
  • Long* - Registering (The radio is associating/initializing an RF Link with another radio)
  • On - Operational (The radio link is 'live' and radios may pass traffic over the wireless interface)

Link Activity

  • Off - No Ethernet Link
  • On - Ethernet Link Establish
  • Random* - Ethernet Activity

 

Notes


LED Flashing Ratios:

Short* = 1:3 on/off cycle

Normal* = 1:1 on/off cycle

Long* = 3:1 on/off cycle

Random* = does not follow a set cycle, flashing may be intermittent

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