BS; Reviewed:
SPOC 2/14/2005
Solution & Interoperability Test Lab Application Notes
©2005 Avaya Inc. All Rights Reserved.
2 of 22
RAD-IP-Mux.doc
1. Introduction
These Application Notes describe the compliance-tested configuration utilizing RAD Data
Communication’s IPmux-14 TDMoIP Gateway and Avaya S8700 Media Server Multi-Connect
configuration running Avaya Communication Manager, to transport DS1 Converter Remote Port
Network connectivity (T1/E1s) over an IP network.
RAD IPmux-14 is a TDMoIP gateway that enables the TDM E1/T1 circuits to be extended over an
IP/Ethernet network by extending voice and signaling protocols transparently over packet networks.
The IPmux-14 provides Circuit Emulation (CE) services over IP using TDMoIP (CE). The device
supports 1 to 4 T1 or E1 TDM facilities and converts the data streams coming from its TDM ports
into packets that are extended over the Fast Ethernet network port, and vice versa.
Avaya S8700 Media Server Multi-Connect configuration provides for remote Port Networks (remote
PNs) which are remotely located from the main Port Network (main PN). Remote PNs located
within 5 miles may be coupled using fiber-optic cable. When the remoting distance between the
main PN and the remote PN exceeds 5 miles, coupling is provided using a DS1 Converter Complex.
A DS1 Converter Complex consists of a pair of DS1 Converter boards (TN1654) and their
associated T1/E1 facilities. The Converter Complex is installed in place of the conventional fiber
and supports from 1 to 4 T1 or E1 facilities, providing a total of 92 T1 channels (or 120 E1 channels)
in each direction between the main PN and the remote PN.
The compliance testing focused on transporting T1/E1 facilities associated with the DS1 Converter
boards over an IP network utilizing RAD IPmux-14 TDMoIP Gateway.
1.1. Sample Network Configuration
The tested network configuration is shown in
Figure 1
.
The network is configured for two locations – the main site and the remote site. The main site
consists of Avaya S8700 Media Server Multiconnect configuration that includes an Avaya MCC1
Media Gateway, which will be referred to as the main Port Network (main PN). The remote site
consists of Avaya SCC1 Media Gateway, which will be referred to as a remote PN. An Avaya DS1
Converter TN1654 board is installed in the main PN and another TN1654 board is installed in the
remote PN. Four T1 (E1) links are provided between these two DS1 Converter boards over an IP
network. The IP transport of T1/E1 is enabled by a RAD IPmux-14 device at each site. The IP
network consists of an Avaya P333R Stackable Switch at the main site and an Avaya P333T
stackable switch at the remote site. At each site, the TDM side of the IPmux-14 is connected to the
DS1 Converter board via 4 T1 (E1) cables, and the IP side is connected to an Avaya Stackable
switch. Both the main PN and the remote PN support a mix of analog, digital and IP phones, and fax
machines. Another fax machine is also connected in the public network. A modem for making data
calls is supported in the remote PN.