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Product Information

IMAQLIQ PON ONU 4FE/2T is an optical network unit (ONU) to be used for building passive optical networks (PON). It includes 4 Fast Ethernet 10/100 Мbit/s interfaces, 2 FXS interfaces for VoIP service.

System Features

  • Compatible with standard IEEE802.3ah
  • Data transmission rate: 1.25 Gbit/s
  • SLA-based DBA support
  • L2 switching, line rate forwarding, support of up to 64 VLANs (802.1q)
  • IGMP Snooping
  • Local and remote software configuration and update
  • Port, 802.1p, ToS or DSCP based QoS


  • Support of IGMP Snooping
  • IGMP v1, v2

Device Management

  • Centralised management: all ONUs can be managed through OLT
  • SNMPV1/V2c-based network
  • Remote management via Telnet, CLI, Web
  • Support of SNMP

Ethernet Features

  • 4 Fast Ethernet 10/100 Мbit/s ports
  • Support of IEEE 802.1Q VLAN
  • Support of 64 VLANs
  • Support of 1024 MAC addresses
  • Flow Control

QoS Features

  • Traffic classification
  • Bandwidth control based on port, MAC address, IP address, TCP/UDP port, ToS/Diffserv values

POTS Features

  • 2 FXS interfaces for VOIP service
  • Protocols MGCP/H.246/MEGACO, SIP, H.323
  • Codecs: G.711ALaw/u–Law, G.729A/B, G.723.1–5.3/6.3 and G.726. Support of dynamic codec selection depending upon softswitch requirements
  • Support of CNG (Comfort Noise Generation)
  • Echo cancellation (G.165/G.168–2000)
  • Support of T.30 Fax
  • Support of Jitter buffer autotuning
  • DTMF (RFC2833)

PON Optical Interface Specifications

Support of standard IEEE802.3ah

Optical Interface Parameters

Maximum transmission range

Transmission Mode



Data transmission rate

Receiving Mode

Receiver sensitivity


Data transmission rate

Optical Connectors

Connector type

Induced attenuation

Optical Interface Specifications

20 km

-1 .. +3 dBm

1310 nm

1,25 Gbit/s

≤-24 dBm

1490 nm

1,25 Gbit/s


0,4 dB


  • ACLs support
  • Encryption of messages between OLT and ONU, dynamic key update

Fast Ethernet Port Specification

Standard: IEEE802.3 10/100 BASE-TX

Transmission rate: 10/100 Мbit/s

Connector type: RJ-45


265(W) х 40(H) х 145(L) mm, 0,6 kg

Operating Conditions

Operating temperature: from 0°C to 40°С

Storage temperature: from -20°C to 60°С

Humidity: 95%

Power Supply

Power supply: AC 220 V

Power consumption: <15 W

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