DeltaStream 4-port Pizza-box GPON Optical Line Terminal

4 GPON Ports: Supports 1:128 splitting ratio for every port—up to 512 ONTs by one device.
High-Speed Uplink Ports: Provides 1× 10GE SFP+ port and 1× gigabit uplink port.
Redundant Dual Power Supplies: Carrier-class reliability with dual built-in AC+DC power supplies.
Complete L2 & Advanced L3 Functions: Satisfies the need for numerous commercial requirements.
Centralized Management: Via DeltaStream PON Management System (DPMS), SNMP, CLI, and WEB UI.
Advanced L2/L2+ Functions: Static Routing, IGMP Snooping, and more meet the requirement for different applications.

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HARDWARE FEATURES
Interface	• 4× 2.5G PON Ports • 1× 10 Gbps SFP+ Uplink Port • 1× 10/100/1000 Mbps RJ45 Uplink Port • 1× RJ45 Console Port • 1× RJ45 MGMT Port • 1× Alarm Port (Reserved)
Button	Reset Button
Power Supply	Dual Power Supplies • AC: 100V~240V, 50/60Hz • DC: -38.4V~-72V
Max. Power Consumption	Max. 58W
Dimensions ( W x D x H )	17.3 × 7.1 × 1.7 in (440 × 180× 44 mm)

SOFTWARE FEATURES
Security	• ACL • 802.1x Authentication • ARP Inspection • IP Source Guard
DHCP	• DHCP Server • DHCP Relay
OMCI	Standard OMCI Management Supported
ONU Authentication	ONU Auto Authentication
ONU Security	• Rouge ONU Detection and Isolation • Uplink and Downlink Data Encryption
Multi-Service	Multi-Service Traffic Identify and Rate Limit
QoS	• IEEE 802.1p/DSCP QoS • Voice VLAN • Auto VoIP
Routing	Static Routing
Mulitcast	• IGMP Snooping • MLD Snooping
Centralized Management	• Large-Scale Devices Management • OLT Batch Configure, Upgrade, Reboot • Multi-Site Management • Intelligent Network Monitoring • Real-time Network Overview

GPON port attribute
Max. Splitting Ratio	1:128
Transmission distance	20km
Data rate	• Downstream: 2.5 Gbps • Upstream: 1.25 Gbps
Wave Length	• Tx: 1490 nm • Rx: 1310 nm
Interface type	SC/UPC
Fiber type	9/125μm SMF (Single Mode Fiber)
Tx power	Class C+

OTHERS
Certification	CE,FCC
Package Content	• OLT Device • Power Cord and Console Cable • Installation Guide • Mouting Brackets, Screws and Rubber Feet
Environment	• Operating Temperature: 0°C~50°C (32°F~122°F) • Storage Temperature: -40℃~70℃(-40°F ~158°F)