• OLT-E4A Outdoor EPON OLT
  • Model Number: OLT-E4A Outdoor EPON OLT
  • Brand: SOFTEL
  • MOQ: 1

Brief Introduction

OLT-E4A is outdoor type EPON OLT product. The product using aluminum alloy die casting shaping, has good heat dissipation and shielding effect, The features of the OLT are convenient, flexible, easy to deploy, high performance. It is appropriate to deploy in a outdoor environment.


OLT-E4A provides 4GE optical interface for uplink, 4 EPON ports for downstream. Built-in 220VAC power module, support Dual power supply configuration.


The OLT can use for “Triple-Play”, CPN, IP Camera, Enterprise LAN and IOT applications. It is a high performance products.

Functional Feature

 High Stability with low cost and flexible networking construction

 Four fixed PON slots with 1:64 splitting ratio at most

 Four Uplink GE optical interface

 OLT-E4A could support 256 ONU maximally

 Maximum Transmission distance:20km (1:32 splitting ratio)

 Aluminum alloy die casting shaping, has good heat dissipation and shielding effect

 Comprehensive Network Management

 In band and out band management;

 Support Telnet and local command lines management;

 EMS management based on standard SNMP protocol;  

 Support EDFA docking management

 Support online upgrading.

 Powerful QOS Function

 Realize stable and efficient dynamic bandwidth allocation (DBA)

 Various OAM Function

 ONU auto-detection and registration;

 Support LGMP and Snooping function;

 Support port flow control and flow shaping.




Uplink Port




4 GE optical interface

PON Port



Physical Interface

SFP Slots

Connector Type


Max splitting ratio


Management Ports

1*10/100/1000Mauto-negotiable outband port

1*CONSOLE port

1*EDFA port

PON Port Specification

Apply to

 PON module

Transmission Distance


PON port speed

Symmetrical 1.25Gbps


1490nm TX,1310nm RX



Fiber Type

9/125μm SMF

TX Power


Rx Sensitivity


Saturation Optical Power


Management Mode

SNMP, Telnet, CLI management mode.

Management Function

Fan Group Detecting

Port Status monitoring and configuration management;

Layer-2 switch configuration such as Vlan, Trunk ,RSTP,IGMP ,QOS, etc;

EPON management function: DBA ,ONU authorization, ACL ,QOS ,etc;

Online ONU configuration and management

User management

Alarm management

Layer-two Switch

Support port VLan and protocol Vlan

Support Vlan tag/Untag ,vlan transparent transmission;

Support 4096 VLAN

Support 802.3dd trunk

Support RSTP

Support QOS based on port ,VID,TOS and MAC address

Support IGMP Snooping

Support 802.x flow control

Support Port stability statistic and monitoring

EPON Function

Support port-based rate limitation and bandwidth control;

In compliant with IEEE802.3ah Standard

Up to 20KM transmission Distance

Support data encryption, group broadcasting, port Vlan separation, RSTP, etc.

Support Dynamic Bandwidth Allocation (DBA)

Support ONU auto-discovery/Link detection/remote upgrade of software;

Support VLAN division and user separation to avoid broadcast storm;

Support various LLID configuration and single LLID configuration .Different user and different service could provide different QoS by means of different LLID channels.

Support power-off alarm function ,easy for link problem detection

Support broadcasting storm resistance function

Support port isolation between different ports

Support ACL and SNMP to configure data packet filter flexibly

Specialized design for system breakdown prevention to maintain stable system

Support dynamic distance calculation on EMS online

Support RSTP,IGMP Proxy





Power Supply

220VACAC: 90V240V47/63Hz

Power Consumption


Operating Environment

Working Temperature


Storage Temperature


Relative Humidity