TDMoIP Gateway
IPmu
-8
DESCRIPTION
• IPmux-8 provides a compact,
simple to configure and easily
scalable solution for transporting
TDM E1/T1 services over IP and
Ethernet-based networks.
• IPmux-8 takes data streams from
up to eight E1/T1 ports and
converts them into packets for
transmission over the network.
The addressing scheme of these
packets is IP. The packets are
transmitted via IPmux-8’s Ethernet
ports to the network. A second
TDMoIP gateway at the remote
location converts the IP packets
back to TDM traffic.
• The primary benefit of IPmux-8 is
to allow transparent E1/T1
connectivity over layer 2/3 packet
switched networks, both in carrier
and enterprise environments.
• IPmux-8 is a standard IP device,
supporting ICMP (ping), ARP, next
hop, and default gateway
capabilities.
• IPmux-8 complies with the
TDMoIP protocol. It works in
conjunction with RAD’s IPmux-1,
IPmux-1E, IPmux-16,
Megaplex ML-IP, Kilomux KML.11,
and other third-party products that
implement the TDMoIP protocol.
• IPmux-8 features a dry contact
alarm port that can serve as a
general-purpose input port. The
alarms are classified into three
categories, stored in the Event
Log, and can generate a system
trap that is sent to the NMS.
PERFORMANCE
• IPmux-8 achieves end-to-end
processing delay as low as
1.7 msec, using high-performance
buffering and forwarding
techniques.
• IP packet size is configurable.
Greater packet length results in
greater processing delay, yet a
smaller bandwidth overhead.
• Enhanced buffering mechanism
compensates for packet delay
variation (jitter) of up to 32 msec
for E1 or up to 24 msec for T1.
QOS SUPPORT
• IPmux-8 supports VLAN tagging
and priority labeling according to
802.1 p&Q.
• VLAN-based separation of user
traffic is supported by applying a
dedicated VLAN tag to every
TDMoIP circuit.
• The Type of Service (ToS) of
outgoing IP packets is
user-configurable. This allows an
en-route Layer-3 router or switch,
which supports ToS (or Diffserv),
to give higher priority to IPmux-8
traffic for delay-sensitive
applications.
• Assigned, IANA-registered UDP
socket number for TDMoIP
simplifies flow classification
through switches and routers.
PBX
n x E1/T1
n x E1/T1
IPmux-16
Service POP
Multi-tenant Office Building
Regional POP
Voice
Data
IP/Ethernet
Network
Extended Circuits
up to 8 E1/T1
IPmux-8
Extended Circuits
up to 8 E1/T1
IPmux-8
Figure 1. Extending E1/T1-based Services over IP
APPLICATIONS
Order from: Cutter Networks
Ph:727-398-5252/Fax:727-397-9610
(148 pagine)
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