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C A U T I O N 

C A U T I O N ! 

SUBJECT TO ELECTROSTATIC DAMAGE

OR DECREASE IN RELIABILITY.

HANDLING PRECAUTIONS REQUIRED.

Warranty:

ADTRAN will replace or repair this product within the warranty period if it does not 

meet its published specifications or fails while in service. Warranty information can be 

found online at

 www.adtran.com/warranty

.

Trademarks:

 Brand names and product names included in this document are trademarks, 

registered trademarks, or trade names of their respective holders.

Copyright © 2019 ADTRAN, Inc. All Rights Reserved.

ADTRAN CUSTOMER CARE:

From within the U.S.     1.800.726.8663

From outside the U.S. +1 256.963.8716

PRICING AND AVAILABILITY  1.800.827.0807

*61287781F1-22D*

LED S

TATUS

The LEDs are located beneath the plastic housing and are only 
visible after power has been applied. The following table provides 
the LED status during normal operations.

Label

Status

Indication

POWER

Off
Green

AC or battery off
No Failure

FIBER

2

Off

Green

Green Flashing 
Fast

No connection to the OLT, 
open fiber, failure at the ONT, 
or power is Off
DS signal present and is within 
operating range
Ranging in Progress

INTERNET

Off

Green

No IP address configured on 
WAN Interface, or Power is 
Off
WAN Interface is configured 
with IP address

GE 1-4

2

Off
Green
Green Flashing 
Fast

Link is down or not equipped
Link is up
Data is being sent or received

USB

2

Off

Green
Green Flashing 
Fast

Power Off or no device con-
nected
Device connected
Data is being sent or received

2.4GHZ

2

Off

Green
Green Flashing 
Fast

Power is Off, or Wireless 
2.4GHz is Disabled
Wireless 2.4GHz is Enabled
Data is being sent or received 
on 2.4GHz

5GHZ

2

Off

Green
Green Flashing 
Fast

Power is Off, or Wireless 5GHz 
is Disabled
Wireless 5GHz is Enabled
Data is being sent or received 
on 5GHz

PHONE 1-2

2

Off

Green
Green Flashing 
Slow

Unequipped or on-hook and 
not ringing
Line is off-hook
Line in ringing state

WPS

2

Off
Green
Green Flashing 
Fast

Power Off or WPS is Disabled
WPS is Enabled
WPS push button pressed and 
device is ready to accept con-
nection

R

EGISTRATION

 ID

Registration ID is performed by Serial Number Activation. This 
occurs when the 424RG ONT is “Discovered” by the OLT.

NOTE

If AOE Auto Upgrade is active, a new 424RG ONT installation will
be detected and a fast blinking 

FIBER

 LED will indicate a new

software download has commenced. This may take 5 - 10 minutes
to complete.

S

PECIFICATIONS

Refer to the following for a list of all specifications for the 424RG 
ONT.

Electrical

Voltage: 12.0 Volts typical

Minimum Voltage: 10.0 Volts

Maximum Voltage: 13.9 Volts

Power Consumption: Typical 22.0 watts

Optical

TX min power: +0.5 dBm

TX max power: +5.0 dBm

RSSI max sensitivity: –27.0 dBm

R.0X overload: –8.0 dBm

TX wavelength: 1310 nm typical

RX wavelength: 1490 nm typical

Physical

Height: 10.8 inches (27.5 centimeters)

Width: 1.8 inches (4.57 centimeters)

Depth: 7.6 inches (19.3 centimeters)

Weight: 1 pounds (0.45 kilograms)

Environmental

Operational Temperature: 23°F to +113°F (0°C to +45°C)

Storage Temperature: –40°F to 185°F (–40°C to +85°C)

Relative Humidity: 90%, noncondensing

M

AINTENANCE

The 424RG ONT does not require routine hardware maintenance 
for normal operation. ADTRAN does not recommend that repairs 
be attempted in the field. Repair services may be obtained by 
returning the defective unit to ADTRAN. Refer to the warranty for 
further information. Field support for software is provided through 
upgrade facilities.

S

AFETY

 

AND

 R

EGULATORY

Refer to the

 

Safety and Regulatory Notice for this product (P/N 

61287781F1-17) for detailed safety and regulatory information.
Consultez l'avis sur la sécurité et la conformité à la réglementation 
pour ce produit (61287781F1-17) pour obtenir des renseignements 
détaillés sur la sécurité et la réglementation.

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