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RICi-E1

RAD's RICi-E1 Fast Ethernet over E1 network termination unit (NTU) is an Ethernet demarcation device connecting Fast Ethernet LANs over E1 circuits.

The RICi-E1 is deployed in point-to-point or hub-and-spoke topologies, working opposite RAD's Egate-20 and Egate-100 Ethernet over TDM gateways. This enables carriers and service providers to extend their customer reach and utilize legacy PDH infrastructure in delivering new Ethernet services. Typical applications for RICi-E1 Fast Ethernet NTU include Ethernet access, backhauling network management traffic and connecting inter-office or enterprise LAN segments.

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  • Promotes fast and easy deployment of Ethernet services over PDH networks
  • Reduces operating expenditures (OpEx) by optimizing use of TDM circuit bandwidth
  • Enables service differentiation and QoS per application
  • Supports interoperability with standards-based, third party devices
  • Allows service resiliency through network diagnostics and fault propagation

The RICi-E1 is a network termination unit (NTU), delivering Fast Ethernet over full or fractional E1 circuits. It provides a clear demarcation point between subscribers and providers networks, converting Ethernet to TDM media and extending carriers’ reach to deliver new Ethernet services over legacy PDH infrastructure. The RICi-E1 supports a single unframed/framed E1 circuit and features a 10/100BaseT user port. Typical applications include:

Supporting Ethernet traffic delivery with standard generic framing procedure (GFP) as well as HDLC, the RICi-E1 allows easy, standard-based multi-vendor interoperability. Additionally, it enables user-defined service differentiation and per-application prioritization, with strict quality of service (QoS) mechanism according to VLAN priority bits (802.1p) and IP Precedence.

VLAN capabilities

The VLAN tagging, stacking and stripping options enable transparent user traffic delivery, keeping all user VLAN settings intact. The device can operate in VLAN-unaware or VLAN-aware modes, where its internal Fast Ethernet bridge can be configured to either filter local traffic or transparently forward all received packets.

Diagnostics and fault propagation

The RICi-E1 supports diagnostic tools for TDM and Ethernet networks, for fast isolation of network problems, saving time and costs. Remote and local loopbacks are used to isolate problems on the physical layer, while ping, traceroute and ICMP messages enable diagnostics of the Ethernet layer.

In cases of error conditions on the TDM port, a fault propagation feature disconnects the link on the Fast Ethernet port, and enables routers on both ends of the link to reroute the traffic.

Advanced management and control

The RICi-E1 features flexible management capabilities, including local management via an ASCII terminal (RS-232). In addition, remote management can be performed either inband or out-of-band, using the network or user ports, while maintaining separation between management and user traffic via the use of VLANs. Advanced FCAPS (Fault, Configuration, Accounting, Performance, Security) and diagnostic tools are provided by RADview-EMS, RAD’s carrier-class element management system, via a Web browser.

The RICi-E1 also supports a variety of configuration access channels, including Telnet, SNMP, Web server, and TFTP. DHCP client support is employed to automatically obtain IP address, IP mask and default gateway, saving precious installation time.

  • Connects Fast Ethernet over E1 circuits at wire-speed
  • Single10/100 BaseT user port
  • Industry standard GFP (ITU-T G8040, G.7041/Y.1303) and HDLC protocols
  • Four QoS priority queues according to 802.1p and IP Precedence
  • Plug and play functionality using DHCP client
  • Remote diagnostic tools on TDM and Ethernet ports
  • Managed via SNMP, Web server or Telnet

Our service portfolio is tailored to each individual customer’s needs. We aim to offer complimentary services to our customers to help them deliver the service level agreements they are contracted to provide.

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