TDMoIP
®
Gateway
IPmu
-16
Service POP
RADview Management Station
IPmux-16
Enterprise
Multi-Tenant Office Building
IPmux-16
16 x E1/T1 or 2 x E3/T3
16 x E1/T1 or 2 x E3/T3
PBX
IPmux-11
E1/T1
10/100BaseT
IPmux-1E
FXS
Ethernet
Switch
Ethernet
Switch
IPmux-16
E1/T1 and
E3/T3/CT3
Services
Packet
Switched
Network
Figure 1. Extending E1/T1 or E3/T3-Based Services over a Packet Switched Network
• The primary benefit of IPmux-16
is allowing transparent E1/T1 and
E3/T3 connectivity over Layer 2/3
packet networks, both in carrier
and enterprise environments.
• IPmux-16 converts data streams of
up to sixteen E1/T1 or up to two
E3/T3, or up to two CT3 ports and
converts them into packets for
transmission over the network.
The addressing scheme of these
packets is IP-based. The packets
are transmitted via the Ethernet
modules to the network. A remote
TDMoIP gateway converts the IP
packets back to TDM traffic.
• IPmux-16 is a standard IP device,
supporting ICMP (ping), ARP,
next hop and default gateway
capabilities.
• IPmux-16 complies with the
TDMoIP protocol, working in
conjunction with RAD’s IPmux-1E
IPmux-11, IPmux-14, IPmux-8,
Megaplex ML-IP, Kilomux
KML.11, and other third-party
products that implement the
TDMoIP protocol.
• IPmux-16 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 an NMS.
PERFORMANCE
• IPmux-16 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.
• An enhanced buffering mechanism
compensates for packet delay
variation (jitter) of up to:
32 msec for E1
24 msec for T1
20 msec for E3/T3
42 msec for internal T1 in CT3.
QoS SUPPORT
• IPmux-16 supports VLAN tagging
and priority labeling according to
802.1p&Q.
• VLAN-based user traffic is
separated by applying a dedicated
VLAN tag to every TDMoIP
circuit, and a dedicated VLAN for
managing the device.
• Type of Service (ToS) of the
outgoing IP frames is
user-configurable. This allows an
en-route Layer-3 router or switch,
which supports ToS (or Diffserv),
to give higher priority to the
TDMoIP traffic for delay-sensitive
applications.
• Assigned, IANA-registered UDP
socket number for TDMoIP
simplifies flow classification
through switches and routers.
APPLICATIONS
(13 pages)
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