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ONT NTU-SFP-100

OLT LTP-4X rev.B

Key features

4хPON ports, 1U case
Remote management via CLI, SNMP
Compliance with G.988, G.984.x and TR-156 standards
Ability to provide cable TV together with data transmission
Optimal solution for a small village or an apartment building

Optical Line Terminal (OLT) is designed to provide broadband access over Passive Optical Network (PON).

GPON interfaces are used to connect the optical distribution network (PON). You can connect up to 128 subscriber optical terminals via a single fiber for each interface. Access to the operator’s transport network is provided through 10 Gigabit or combined Gigabit uplink interfaces.

OLT LTP-4X rev.B allow operators to build scalable, fault tolerant “last mile” networks to ensure the highest safety standards. OLT manages subscriber devices, traffic switching and connection to the transport network.

Broadband access using FTTH technology is the highest quality version of the Triple Play service delivery, as it provides high data rates over long distances. The main advantage of PON technology is the lack of electrically powered active nodes within the section from OLT to ONT, which greatly reduces the network operating cost. Furthermore, PON technology saves on cabling infrastructure by reducing the total length of the optical fiber, as only one fiber for a group of up to 128 subscribers is used within the section from the central node to the splitter.

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Categories: GPON, OLT GPON Tags: GPON, OLT GPON, OLT LTP-4X rev.B

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Interfaces

Uplink
- 2 ports of 10GBase-X (SFP+)/1000Base-Х
- 4 combo ports of 10/100/1000Base-T/ 1000Base-X (SFP)
Downlink
- 4 ports of 2,5/1,25 Gbps GPON (SFP)

Port modes

Duplex/half-duplex 10/100/1000 Mbps mode for electric ports
Duplex 1/10 Gbps – optic ports

SFP PON parameters¹

Medium – single-mode optical fiber – 9/125, G.652
Splitting ratio – up to 1:128
Support for RSSI (Received Signal Strenght Indication)
Support for DDM (parameters output in CLI):
Digital RSSI
Module Temperature
Supply Voltage
Laser Bias Current
Tx Optical Power Output

Class B+

Compliance with ITU-T G.984.2, FSAN Class B+, SFF-8472 standards
Max. link distance: 20 km
Transmitter: 1490nm DFB Laser
- Data rate: 2488 Mbps
- Average launch power: +1,5..+5 dBm
- Spectral line width: -20 dB 1.0 nm
Receiver: 1310nm APD/TIA Detector/Amplifier
- Data rate: 1244 Mbps
- Receiver sensitivity: -28 dBm
- Receiver optical overload: -8 dBm

Class C++

Compliance with ITU-T G.984.2, FSAN Class C++, SFF-8472 standards
Max link destination: 40 km
Transmitter: 1490nm DFB Laser
- Data rate: 2488 Mbps
- Average launch power: +7..+10 dBm
- Spectral line width: -20 dB 1.0 nm
- Receiver: 1310nm APD/TIA Detector/Amplifier
- Data rate: 1244 Mbps
- Receiver sensitivity: -32 dBm
- Receiver optical overload: -12 dBm
- Receiver burst mode dynamic range: 20 dB

Switch

Ethernet switch – Marvell Packet Processor
Bandwidth – 128 Gbps
MAC table- 16К entries
Support for up to 4К VLAN complying to 802.1Q
Quality of Service (QoS)

Physical parameters

Power supply¹:
- 220 V (150-250 V) AC, 50 Hz
- 48 V (-36..-72 V) DC
Power consumption: no more than 55 W
Operating temperature: from +50 to 400C
Operating humidity: 80%
Dimensions: with internal power module 430х44х259 mm, 19”, 1U

Standards

ITU-T G.988 GPON
ITU-T G.984x GPON
IEEE 802.3i 10BASE-T Ethernet
IEEE 802.3u 100BASE-T Fast Ethernet
IEEE 802.3ab 1000BASE-T Gigabit Ethernet
IEEE 802.3z Fiber Gigabit Ethernet
ANSI/IEEE 802.3 NWay auto-negotiation
IEEE 802.3x Full Duplex and flow control
IEEE 802.3ad Link aggregation
IEEE 802.1p Protocol for Traffic Prioritization
IEEE 802.1Q Virtual LANs
IEEE 802.1ad Provider Bridges (QinQ)
IEEE 802.1v VLAN Classification by Protocol and Port
IEEE 802.3ac VLAN tagging
IEEE 802.1d MAC bridges
IEEE 802.1w Rapid Reconfiguration of Spanning Tree
IEEE 802.1s Multiple Spanning Trees

More features

Port mirroring, VLAN mirroring
MAC table: 16K per switch, 4K per port
MAC addresses limiting
Support for STP, RSTP, MSTP
Support for QoS: 802.1p, DSCP, WRR
Port isolation, port isolation within a VLAN
Unicast/multicast/broadcast traffic restrictions
Support for ACL IPv4
Support for QinQ with compliance to IEEE 802.1ad
Up to 1024 multicast groups
IGMP/MLD Fast Leave
IGMP/MLD Proxy
IGMP/MLD Snooping
IGMP/MLD Querier
DHCPv4 Snooping
IPv4 Source address guard
DHCPv4/DHCPv6 Relay Agent (opt.82, ip-helper)
PPPoE Intermediate agent
LLDP (802.1ab)
Storm Control
Policy
Utilization by ONT services

Management and monitoring

Support for RADIUS, TACACS+
Management and monitoring via CLI, SNMP
Access restriction: by password, by IP address, by priveledge level

Centralized management system

Eltex.EMS is a united management system for Eltex Equipment.
Search, add, configure, monitor state of OLT/ONT and other network elements
Main parameters and power supply monitoring
Monitoring of physical and logical interfaces statistics
Subscriber ports management: configurations, profiles
Administration of mass firmware update system for customer PON devices
Online graphics of various static parameters
Graphic displaying of physical ports` state
Launch of main configuration tools: ssh, telnet

Statistics:

Centralized gathering, storage and processing of operation, event and alarm logs
Gathering and storage of alarm messages
Quick CPE search in optical trees
Information on number of active PON subscribers in a network
Internet, VoIP and IPTV services monitoring and statistics
Statistics of PON subscribers activity
Centralized device messages gathering via Syslog
Logging of all users` actions in the system

¹Type of required power supply is defined while ordering

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