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TDM over Wireless Ethernet



Motorola extends the applicability of 400 Series solutions with the T1/E1 Multiplexer. The Multiplexer allows users to transport legacy TDM traffic over a 5.8 or 5.4 GHz bridge. With the flexibility of two or four T1/E1 ports plus two Ethernet ports for LAN extension or connection to a user’s PoP, the T1/E1 Multiplexer provides a cost-effective solution for extension of multi-service networks.

How it Works:
The T1/E1 Multiplexer converts the data stream from its user T1/E1 ports into packets for transmission over a 5.8 or 5.4 GHz 400 Series bridge. These packets are output to the bridge via the Ethernet port. At the far end of the radio link, a remote T1/E1 Multiplexer converts the packets back to TDM traffic. Any additional capacity from the 400 Series link is presented to the user at the two user Ethernet ports on the T1/E1 Multiplexer. High performance buffering and forwarding techniques minimize end-to-end processing delay.

Key product features include:

  • TDM leased-line extension over wireless Ethernet bridges
  • Support for both framed and unframed T1/E1
  • Two or four T1/E1 ports
  • One radio and two user Ethernet switch ports
  • Dedicated external clock port
  • Direct powering from PIDU Plus – PTP 400 Series
  • QoS support by VLAN tagging/priority labeling to IEEE 802.1p
  • Dynamically controlled fractional T1/E1 transport, allowing best use of wireless bandwidth when a limited number of timeslots have to be transferred
  • Management via web browser or SNMP-based NMS
  • Compact 1U-high enclosure

The new T1/E1 Multiplexer is ideal for campus network applications, inter-building PBX and LAN extensions, wireless ISP backhaul, MSO voice and data services, and telco trunking. For a cost that is much lower than leasing T1/E1 lines, the T1/E1 Multiplexer provides an easy-to-implement, carrier-class solution for extending voice or voice-and-data networks.