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Designer and manufacturer of communication equipment
Russia (GMT +7)

OLT LTX-8

In development
Key features
  • 8 XGS-PON ports, 1U case
  • Hot-swappable redundant power modules
  • Remote management via CLI, SNMP, WEB
  • Compliance with G.988, G.984.x and TR-156 standards
  • Cable TV with data transmission
  • Optimal solution for a small village or an apartment building

LTX series station equipment (OLT) is designed to provide broad band access over Passive Optical Networks (PON).

XGS-PON interfaces are used to connect an optical distribution network. Up to 128 optical subscriber terminals can be connected to each interface via a single fiber by the GPON standard and up to 256 subscriber terminals by the XGS-PON standard. The access to the operator's transport network is provided via 100 Gigabit uplink interfaces.

OLT LTX allows operators building scalable, last mile fault-tolerant networks that meet the highest safety standards.OLT manages subscriber devices, traffic switching and connection to the transport network. Broadband subscriber access using FTTH technology is the highest quality Triple Play service delivery option, as it provides high data transmission rates over long distances.

The main advantage of PON technology is the absence of electrically powered active nodes within the section from OLT to ONT, which significantly reduces the network operating cost. Furthermore, PON technology saves on cabling infra-structure by reducing the total length of the optical fiber, since only one fiber for a group of up to 128 subscribers (GPON standard) and up to 256 subscribers (XGS-PON standard) is used with in the section from the central node to the splitter.

OLT station terminals support two hot-swappable power modules with the ability to automatically switch to a redundant power unit.
Specifications
Modules and additional devices
Documents and files
Warranty
The values given in the technical documentation are approximate as the device is under development. The actual specifications will be published after final testing and the model launch into pre-production.

Interfaces
  • Uplink:
    • 4 x 100GBASE-SR-4/LR4 (QSFP28) ports
  • Downlink:
    • 8 x XGS-PON ports
Port modes
  • 100 Gbps duplex mode for optical ports
SFP PON parameters1
  • Transmission medium — SMF-9/125, G.652 fiber optic cable
  • Splitting ratio: 1:256 XGS-PON or up to 1:128 GPON
  • RSSI (Received Signal Strength Indication) 
  • Compliance with ITU-T G.9807.1
  • Maximum transmission distance: 20 km
  • Transmitter: 1577 nm
    • Data rate: 9.953 Gbps
    • Average output power: 2~5 dBm
  • Receiver: 1270 nm
    • Data rate: 9.953 Gbps
    • Receiver sensitivity: -26 dBm
Switch
  • Bandwidth: 120 Gbps
  • MAC table: 64К entries
  • VLAN table: 4K (in compliance with 802.1Q)
Physical parameters
  • Power supply voltage1:
    • 100–240 V AC, 50–60 Hz
    • 36–72 V DC
  • Maximum power consumption —  no more than 101 W
  • Operating temperature: from -5°to 40 °C
  • Relative humidity: up to 80%
  • Dimensions (W × H × D) with installed power module:430 × 43.6 × 451.2 mm, 19", 1U case
  • Weight: 6.2 kg
Standards
  • ITU-T G.988 OMCI specification
  • ITU-T G.984x GPON
  • ITU-T G.8032/Y.1344 Ethernet ring protection switching2
  • TR-156
  • 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 Prioritization
  • IEEE 802.1Q Virtual LANs
  • IEEE 802.1ad Provider Bridges (QinQ)
  • 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 mirroring
  • MAC table: 64K per switch, 8K per port
  • MAC addresses limiting
  • STP, RSTP, MSTP 
  • ERPSv2 
  • QoS: 802.1p, WFQ, DSCP2
  • Port isolation, port isolation within a single VLAN
  • Unicast/multicast/broadcast traffic limiting
  • ACL Ipv4 
  • QinQ in compliance with IEEE 802.1ad
  • Up to 1024 multicast groups
  • IGMP Fast Leave
  • IGMP Proxy 
  • IGMP Snooping
  • IGMP Querier
  • DHCPv4 Snooping
  • IP Source guard
  • DHCPv4 Relay Agent (Option 82) 
  • PPPoE Intermediate agent 
  • LLDP (802.1ab)
  • Storm Control 
  • Policy support2
  • Utilization by ONT services2
  • OMCI Bridge 
  • OMCI RG
Management and monitoring
  • RADIUS, TACACS+support2
  • Management and monitoring: CLI, SNMP
  • Access restriction: by password, by IP address2, by privilege level
  • Several management interfaces support

1Parameter is defined when ordering
2Not implemented in the current firmware version

Additional modules (not included in basic supply package)

PM350-48/12

PM350-48/12 power module, 36-75V DC, 350 W

РМ350-220/12

РМ350-220/12 power module, 176-264V AC, 350 W

The values given in the technical documentation are approximate as the device is under development. The actual specifications will be published after final testing and the model launch into pre-production.

Operational lifetime of the ELTEX equipment
In development
1
Pre-production
2
Mass production
3
Mass production is over
4
Sold out
5
Support is over
6
Regardless of the operational lifetime stage, Eltex provides a 12 months warranty on all its telecommunication equipment.
During the warranty period the manufacturer ensures technical support and free-of-charge repair at the Enterprise which is situated in Novosibirsk.
As part of the warranty service, technical support is provided on the first-in first-out principle.
The priority support packages of 8/5 and 27/7 types are subjects to additional charges.

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