BOTU/QOTU - TDM & Ethernet leased lines over Fiber

BOTU Family

Product Overview

The BOTU is the Optical Network Termination Unit of the ULAF+ product family designed to transmit broadband traffic over fibre.


With its high reliability the BOTU is the leading choice for delivering business class voice and data services. The built in Layer 2 switch with comprehensive VLAN support and flexible QoS prioritisation allows for carrier class multiservice applications.


The BOTU helps network operators with its modular design and wide range of interfaces to provide custom tailored services over optical lines. On top of 100 Mbit/s Ethernet traffic up to four 2 Mbit/s E1 channels or legacy data services can be transmitted.

  1. Highlight
  2. Features
  3. Data Sheets

  • Simultanous transport of E1 and V.35/V.36/X.21 data
  • Simultanous transport of E1 and Fast Ethernet traffic
  • 1+1 line protection to increase service availability
  • use of standard 155 Mbit/s SFP
  • Integrated HW switch supporting QoS and VLAN manipulations
  • Compliant to MEF 9 and MEF 14 for EPL (Ethernet Private Line), EVPL (Ethernet Virtual Private Line) and E-LAN (Ethernet LAN) services
  • Low power consumption

Features

User Interface

  • 4x E1 ports, G.703/704, RJ45
  • 4x Fast Ethernet ports, RJ45 (Full/Half Duplex, Flow Control, Auto neg., Auto MDI-X)

 

Ethernet Features 

  • Self learning switch (1024 MAC addresses)
  • Supported frame size up to 2048 bytes
  • VLAN support according IEEE 802.1Q
  • Double Tag VLAN tunneling, Q-in-Q
  • 4 priority queues
  • Priority queuing (PG, WRR)
  • Traffic prioritisation: 802.1p, DSCP, Port based, VLAN based


Optical WAN Interface

  • 2 SFP Slots (BOTU)
  • 4 SFP Slots (QOTU)
  • SFP Modules OC-3/155 Mbit/s
  • Line Protection 1+1
  • Max. Distance 20km, 40km (depending on SFP)
  • Optical connector: SC LC (depending on SFP)
  • Fibers: single or dual (depending on SFP)
  • Wavelentghs: 1310nm, 1550nm (depending on SFP)

Supported Standards

  • ITU-T G.703 Physical signal characteristics
  • ITU-T G.704 Structured E1
  • ITU-T  I.431 Primary rate ISDN
  • IEEE 802.1D MAC Bridging
  • IEEE 802.1Q VLAN Bridging
  • IEEE 802.1ad Provider Bridges
  • IEEE 802.3i 10BASE-T
  • IEEE 802.3u 100BASE-TX
  • IEEE 802.3x Flow Control
  • ITU-T V.35
  • ITU-T V.36
  • ITU-T X.21
  • ITU-T G.823 Jitter and Wander
  • ITU-T G.826 Error Performance Parameters

Data Sheets

PDF

Optical Network Termination Unit

[ File type: PDF | File size: ca. 670 KB ]

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