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IPmux-24 TDM Pseudowire Access Gateway 

IPMUX-24/FE/1T1/UTP/UTP/UTP RAD IPmux-24 TDM Pseudowire Access Gateway, Popular models include IPMUX-24/1T1/NULL/NULL/UTP, IPMUX-24/FE/1T1/UTP/UTP/UTP, IPMUX-24/FE/4T1/UTP/UTP/UTP.

IPmux-24 from RAD provides legacy services over packet networks. The IPmux-24 converts the data stream from its user E1/T1 ports into packets for transmission over the network. The frame format of these packets is IP or MPLS. These packets are transmitted via the IPmux-24 Ethernet network port to the PSN. A remote pseudowire device converts the packets back to the original user traffic format. Popular models include IPMUX-24/FE/4T1/UTP/UTP/UTP/PE, IPMUX-24/1T1/NULL/NULL/UTP, IPMUX-24/FE/1T1/UTP/UTP/UTP, IPMUX-24/FE/4T1/UTP/UTP/UTP.

The ASIC-based architecture of the IPmux-24 provides a robust and high performance pseudowire solution with minimal processing delay.
The RAD IPmux-24 supports various legacy over packet transport types, including TDMoIP, CESoPSN, SAToP, HDLCoPSN. Proper balance between PSN throughput and delay is achieved via configurable packet size. A jitter buffer compensates for packet delay variation (jitter) of up to 180 msec in the network.

PSEUDOWIRE QoS/CoS with the IPmux-24
Ethernet networks – outgoing pseudowire packets are assigned a dedicated VLAN ID according to 802.1Q and marked for priority using 802.1p bits. IP networks – outgoing pseudowire packets are marked for priority using DSCP, ToS, or Diffserv bits. MPLS networks – outgoing pseudowire packets are assigned to a specific MPLS tunnel and marked for priority using EXP bits.

End-to-end synchronization between circuits is maintained by deploying advanced clock recovery mechanisms. Clock recovery conforms to G.823 and G.824 traffic interface using G.8261-defined scenarios. Advanced clock recovery conforms to G.823 synchronization interface using G.8261-defined scenarios and achieves 16 ppb clock accuracy. The system clock ensures a single clock source for all TDM links. The system clock uses master and fallback timing sources for clock redundancy. IPmux-24 also provides system clock input and output via an optional external clock port.

IPmux-24 TDM Pseudowire from RAD - app 1
One, two or four E1 or T1 ports provide connectivity to any standard E1 or T1 device.
The E1 and T1 interfaces support:
• Integral LTU/CSU for long haul applications
G.703 unframed and G.704 framed modes
CAS and CRC-4 bit generation (E1)
• D4/SF and ESF framing (T1)
• Robbed bit (T1).

IPmux-24 provides the following Ethernet
• One network port
• One network/user port
• One user port.
The Ethernet ports accept a wide range of Gigabit and Fast Ethernet SFP-based fiber optic interfaces. One or two ports can be ordered with built-in 10/100BaseT interfaces.
The IPmux-24 can also be ordered with Fast Ethernet interface only.

RAD's IPmux-24 features an internal bridge, operating in VLAN-aware and VLAN-unaware modes. VLAN stacking can be used for traffic separation between different users or services, by defining a service provider VLAN ID per customer or service. When VLAN stacking is used, a service provider VLAN tag is added to the user traffic and removed from network traffic. Both service provider VLAN ID and service provider VLAN priority can be defined. IPmux-24 provides four priority queues for each port or pseudowire traffic. User traffic
can be prioritized according to the VLAN priority, DSCP, IP Precedence or per port basis. Ingress and egress rate limitation can be activated per user and network port. The rate limitation is configured per packet types.

IPmux-24 TDM Pseudowire from RAD - app 2
IPmux-24 can be configured and monitored locally via an ASCII terminal, or remotely via Telnet/SSH, Web browser or RADview.
Management traffic can run over a dedicated VLAN. The RADview Service Center and Element Manager packages control and monitor TDM over IP (TDMoIP) devices and circuits. The Service Center’s intuitive GUI, “point and-click” functionality and easy-to-follow wizards increase the efficiency and accuracy of the service provisioning process. IPmux-24 performs RADIUS client authentication. Using SSH and SSL encryption protocols allows secure communication over potentially insecure IP-based networks. Software download is supported via the local terminal, using XMODEM, or remotely, using TFTP. After downloading a new software version, IPmux-24 automatically saves the previous version in non-volatile memory for backup purposes. Similarly, copies of the configuration file may be downloaded and uploaded to a remote workstation for backup and restore purposes.
RAD IPmux-24 TDM Pseudowire app 3

The following RFC-2495 E1/T1 physical layer performance statistics are available:
LOS, LOF, LCV, RAI, AIS, FEBE, BES, DM, ES, SES, UAS and LOMF. IPmux-24 performs an internal built-in test (BIT) after power-up. The results of the test are visible via the local terminal. LAN and IP layer network condition statistics, such as packet loss and packet delay variation (jitter) are monitored and stored by the device. Fault isolation, statistics and event logging are available. Fault propagation initiates service port alarms, e.g. E1/T1 LOS, to reflect packet network fault conditions. Alarms detected at service ports are propagated to the remote pseudowire device via the packet network. Diagnostic loopbacks can be activated inband. Performance monitoring is provided by
Ethernet and IP-layer network condition statistics, such as packet sequence errors (loss or misorder) and packet delay variation (jitter), which are monitored and stored by the device. RAD’s TDM PW OAM mechanism ensures connectivity verification, round trip delay measurement and pseudowire configuration mismatch prevention. The carrier-class version of IPmux-24 includes an alarm relay mechanism. The minor and major alarms are forwarded to a remote alarm device via dedicated pins of the external clock RJ-45 connector.

IPmux-24/H is an environmentally hardened version intended for street-cabinet and cellular-tower installations.


IPmux-24 T1 over Ethernet

Popular models include:



IPmux-24 TDM Pseudowire product data sheet (pdf)

To simply your installation you can order RAD pre-configuration services. These are more economical than you might think. Give us a call and we can discuss it.

Certainly, the manual provides the information you need if you want to tackle this yourself. At very least,  we recommend that you view the following RAD IPmux Configuration Guide - North America

Immediate price quote - Call 727-398-5252 or e-mail cs@bestdatasource.com

Don't forget to ask about  RADCare support for your RAD products.

Other RAD sections of interest:
RAD Accessories, RAD ATM products, RAD Baseband modems and last mile access, RAD Cables & Misc, RAD Digital Service Access Devices ( FCD ), RAD Fiber Optic modems and Converters, RAD IP and Ethernet Access, RAD Kilomux Data, Voice, Fax and LAN integrating Multiplexers, RAD LRS Modem rackRAD MegaplexRAD Networks Management, RAD Optimux Fiber Multiplexers, RAD Rate and Interface Converters, RAD Sharing Devices, RAD Short Range ModemsRAD T1/E1 Digital Cross Connects ( DACS ), RAD T1/E1 Digital Cross Connect (DACS) for single E1 / T1 applications, RAD TDMoIP, RAD Voice Interface Converters, RAD Voice Trunking Gateway

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Last modified: May 15, 2017