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E Series Ethernet Radio – User Manual
Bar Graph Indicators
The bar graph indicators on the front panel provide variable
information regarding the performance of the Base Station. To
enable / disable the bar graph display depress the Display ON /
OFF button. The display will turn off automatically after 5 minutes.
DC
Supply:
Indicates the supply input voltage at the exciter module. Typically
13.8Vdc.
Indication: <10Vdc no LED’s on, 10-10.9VDC LED’s RED, 11-
15.6Vdc All LED’s GREEN, >=15.7Vdc last LED RED.
Tx
Power:
Indicates forward RF power output as measured at the TX
antenna port. Typ37dBm or +43dBm for a 20W version.
Indication: <20dBm no LED’s on, 20-40.6dBm (11.5W) LED’s
GREEN, >=40.7dBm last LED RED.
Tx
Drive:
Indicates exciter drive level. Typ20dBm.
Indication: <10dBm no LED’s on, 10.0-25.9dBm LED’s GREEN,
>=26.0dBm last LED RED.
Rx
Sig:
Indicates receive signal strength. Typically -85 to -65dBm.
Indication: <-120dBm no LED’s on, -120 to -110.1dBm LED’s RED,
>=-110dBm LED’s GREEN.
RxFreq.
Offset:
Indicates offset of receiver AFC - useful in determining frequency
drift.
Typically
0kHz.
Indication: Single GREEN LED to indicate current value, <-3.6kHz
or >+3.6kHz LED is RED. No signal, all LED’s OFF.
Note: 5 second peak hold circuitry.
Part E – Getting Started - EB450
Test Mode
The Bar Graph indicators have a Test Mode, which cycles all LED’s
for correct operation (before returning to their normal operation).
To activate this mode, simply depress the ON / OFF button while
applying power to the unit.
Factory Default
To Perform a factory default on an EB45e you must:
•
Depress the Display ON/OFF button until the LED indicators
begin to flash. (Approx 15 seconds)
•
Release the Display ON/OFF button for at least 1 Second.
•
Depress the Display ON/OFF button again unit the LED
indicators stop flashing. (Approx 15 seconds)
Hardware
Error
hardware errors are indicated on the status LEDs
by all LEDs flashing RED at a rate of 1Hz. This indicates internal
communications to the exciter has been lost. Contact Trio Support
to confirm course of action. The base station may need to be
returned to Trio Datacom for repair.
Received Signal Indicator
The “RX/SYNC” LED indicates the state of the receiver.
If the LED is off, no signal is being received.
A RED indication shows that an RF carrier is being received, but
no data stream can be decoded. This will briefly happen at the
very start of every valid received transmission or may indicate the
presence of interference, or another user on the channel.
A continuous GREEN indication shows that the modem is locked
and synchronised to the incoming signal, and has excellent Bit
Error Rate (BER). Any losses of synchronisation (BER errors) are
shown as a visible RED flicker of the LED.
Note: This might only be apparent on a PTMP slave when only
receiving.
Data Flow “breakout” LED
There are also two LEDs to indicate data flow into and out of the
two user ports.
Input data to be transmitted is shown as a RED flash, and received
data to be output to the port is shown as a GREEN flash.
If data is alternately flowing in and out quickly, then the indicator
appears Orange.
LAN activity LED
The “Active/Link” LED is used to indicate the state of the LAN
port. If the LED is OFF, there is no activity at all on the LAN port.
A GREEN indication shows an established Ethernet link. The
LED will flash AMBER to indicate Ethernet data transmission is
occurring.
LED Indicators & Test outputs
Radio is Powered
If all the LEDs are off, no power is reaching the radio modem.
Successful power-up is indicated by the “PWR” LED indicating a
continuous (healthy) GREEN state. Note that this LED is turned
RED when the transmitter is active.
