ADTRAN SDX 621 XGS-PON ONT User Manual

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Figure 1. 621 XGSPON SFU ONT, 10GE
DESCRIPTION
The SDX 621 Single Family Unit (SFU) is an Optical Network
Terminal (ONT) that leverages XGS-GPON technology for
delivering premium 10 Gbps Ethernet services.
The 621 ONT is an indoor unit that supports up to 10 Gbps data
rates.
This document supports the following versions of the 621 ONT.
Figure 1 illustrates the front LED display.
Description P/N
621 XGS-PON ONT with NA power
adapter (included)
1287830F1
621 XGS-PON ONT with UK power
adapter (included)
1287830F2
621 XGS-PON ONT with EU power
adapter (included)
1287830F3
621 XGS-PON ONT with AUS/NZ power
adapter (included)
1287830F4
FEATURES
The basic features of the 621 ONT include the following:
■ 10 Gbps XGS-PON SC/APC connector (WAN)
■ 10 Gbps Ethernet (RJ-45) Customer 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
1LEDs
2 10 Gbps XGS-PON SC/APC connector (WAN)
3 10 Gbps Ethernet interface
4 Reset Button
5 Power Connection for the Supplied AC to DC Power
Converter (12 V)
6 On/Off button
ON/OFFPowerRESET10GEOptical
1
3
2
4
5
6
SDX
621 XGS-PON ONT
10GE SFU
September 2020
61287830F1-13B

ADTRAN SDX 621 XGS-PON ONT Specifications

General

Brand	ADTRAN
Model	SDX 621 XGS-PON ONT
Category	Touch terminals
Language	English

Summary

Product Features

Product Description

Installation Guide

Installation Guidelines

Guidelines for basic installation, emphasizing cable routing and prevention of damage.

Installation Overview Steps

Outlines the required steps for installing the 621 ONT, including connecting Ethernet, fiber, and power.

Required Tools for Installation

Lists standard technician tools and specific items needed for installing the 621 ONT.

Step 1: Physical Installation

Details the initial physical installation steps, covering desk top and wall mounting options.

Connection and Status Procedures

Step 2: Connect Ethernet

Instructions for connecting the Category 5e or better Ethernet cable to the 10GE port.

Step 3: Connect Fiber Optic Cable

Procedure for connecting the fiber optic cable, including handling precautions and power level checks.

Step 4: Connect Power

Steps to connect the 12 V DC power adapter and turn on the 621 ONT.

LED Status Indicators

Details the meaning of status indications for Power, Optical, and LAN LEDs.

Specifications and Safety

LED Status Details

Further details on LED status for Alarm/Update, including reasons for software upgrade failures.

Product Specifications

Technical specifications including electrical, optical, and physical properties of the 621 ONT.

Maintenance and Support

Information on maintenance, repair services, and obtaining field support for software upgrades.

Safety and Regulatory Information

Guidance on safety, regulatory notices, and environmental operating conditions for the product.