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Quick Start

Figure 1. 621i ONT

D

ESCRIPTION

The 621i XGS-PON ONT is a Single Family Unit (SFU) Optical 
Network Terminal (ONT) that leverages XGS-PON technology for 
delivering premium 1GigE services.

g

     NOTE

The “i” in 621i designates that the customer UNI is a 1G Ethernet 
interface, as opposed to a 10G Ethernet interface on the non-i 
version.

The 621i ONT is an indoor unit that supports up to 1 Gbps data 
rates.

This document supports the following versions of the 621i ONT.

Figure 1

 illustrates the front LED display. 

Description

P/N 

621i XGS-PON ONT with NA power adapter 
(included)

1287844F1

621i XGS-PON ONT with UK power adapter 
(included)

1287844F2

F

EATURES

The basic features of the 621i ONT include the following:

10 Gig PON SC/APC connector (WAN)

Customer Interfaces 

1G Ethernet (RJ-45) Interface

Remote activation and deactivation

Remote firmware upgrades and downgrades

Remote OMCI management as per ITU-T G.988

Refer to the following table for a description of each feature in 

Figure 2

.

 

Figure 2. ONT Interfaces

Callout

Description

1

LEDs

2

10Gig XGS-PON SC/APC connector (WAN)

3

1G RJ-45 LAN interface

4

Reset Button

5

Power Connection for the Supplied AC to DC Power 
Converter (12 V)

6

On/Off button

ON/OFF

Po

w

er

Reset

GE

Optical

1

2

3

5

4

6

SDX

621i XGS-PON ONT

1GE SFU ONT

January 2020

61287844F1-13A

Summary of Contents for 621i XGS-PON ONT

Page 1: ... NA power adapter included 1287844F1 621i XGS PON ONT with UK power adapter included 1287844F2 FEATURES The basic features of the 621i ONT include the following 10 Gig PON SC APC connector WAN Customer Interfaces 1G Ethernet RJ 45 Interface Remote activation and deactivation Remote firmware upgrades and downgrades Remote OMCI management as per ITU T G 988 Refer to the following table for a descrip...

Page 2: ...V DC Power Adapter that is included with the 621i ONT The power adapter operates from a power source of 100 to 240 V AC 50 60 Hz For the United States and Canadian applications an NRTL Listed Limited Power Source LPS is needed For deployment in international applications an LPS specifically approved for that country as indicated by a CE Mark is needed Resetting the ONT A reset button is available ...

Page 3: ...T complete the following steps 1 Plug the supplied 12 V AC DC Power Adapter into the 12V connection on the rear of the 621i ONT 2 Connect the Power Adapter to a standard 100 240 V AC outlet 3 Verify power is on by checking the power LED on the 621i ONT The LED should be green indicating local power is on g NOTE ADTRAN recommends only using the DC power adapter that is provided with the unit f CAUT...

Page 4: ...uire 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 SAFETY AND REGULATORY Refer to the Safety and Regulatory Notice for this product P N 61287844F...

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