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Key features

  • up to 16 PON ports, 1U case
  • hot-swappable redundant power units
  • remote management via CLI, SNMP
  • compliance with G.988, G.984.x and TR-156 standards
  • ability to provide CaTV together with data transmission1
  • optimal solution for a small village or an apartment building

Station equipment (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 the 10 Gigabit or combined Gigabit uplink interfaces.
OLT LTP allow carriers 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 pro-vides 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.

OLT station terminals support 2 hot-swappable redundant power units.


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  • Interfaces

    • LTP-16N


    • 8 ports of 10GBase-X (SFP+)/1000Base-Х(SFP)


    • 16 ports of 2.5/1.25 Gbps GPON

    SFP PON parameters1

    • Transmission medium - single-mode optical fiber (SMF) -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
    • Maximum 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
      • 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
    • Maximum link distance: 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
      • Data rate: 1244 Mbps
      • Receiver sensitivity: -32 dBm
      • Receiver optical overload: -12 dBm
      • Receiver burst mode dynamic range: 20 dB


    • Ethernet switch - Broadcom Packet Processor
    • Switch performance - 120 Gbps
    • MAC table - 64К entries
    • Support for up to 4K VLAN complying to 802.1Q
    • Quality of Service (QoS)

    Physical parameters

    • Power supply1:
      • 220V (150-250V) AC, 50 Hz
      • 48V (-36..-72V) DC
    • Maximum power consumption – 55 W
    • Range of operating temperatures: +5 to 40 C
    • Relative humidity – up to 80%
    • Dimensions with installed power module: 430х44х317 mm, 19'', 1U


    • ITU-T G.988 GPON
    • ITU-T G.984x GPON
    • ITU-T G.8032/Y.1344 Ethernet nng protection switching2
    • 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 control2
    • IEEE 802.3ad Link aggregation
    • IEEE 802.1p Protocol for Traffic Prioritization3
    • IEEE 802.1Q Virtual LANs
    • IEEE 802.1ad Provider Bridges (QinQ)3
    • 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 Tree2
    • IEEE 802.1s Multiple Spanning Trees2

    Additional features

    • Port mirroring, VLAN mirroring3
    • MAC table: 64K per switch, 8K per port
    • MAC address limiting2
    • Support for STP, RSTP, MSTP2
    • Support for ERPSv22
    • Support for QoS: 802.1p, DSCP, WRR3
    • Port isolation, port isolation within a single VLAN
    • Unicast/multicast/broadcast traffic limiting2
    • Support for ACL IPv42
    • Support for QinQ in compliance with IEEE 802.1ad3
    • Up to 1024 multicast groups
    • Support for IGMP Fast Leave
    • Support for IGMP Proxy
    • Support for IGMP Snooping
    • Support for IGMP Querier
    • Support for DHCPv4 Snooping
    • Support for IP Source guard2
    • Support for DHCPv4/DHCPv6 Relay Agent (opt.82, ip- helper)
    • Support for PPPoE Intermediate agent
    • Support for LLDP (802.1ab)3
    • Support for Storm Control2
    • Support for Policy2
    • Utilization by ONT services2
    • Support for OMCI Bridge
    • Support for OMCI RG

    Management and monitoring

    • Support for RADIUS, TACACS+2
    • Management and monitoring: CLI, SNMP
    • Access restriction: by password, by IP address2, by privilege level
    • Support for several management interfaces2
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