RADview Management Station
IPmux-16
IPmux-16
16 x T1
12 x T1
T3
T3
CT3
IPmux-16
IPmux-16
Packet
Switched
Network
Figure 2. Extending T1 and T3 Circuits over IP/Ethernet
OPERATION MODES
• Two types of service are offered:
Unframed: Full E1/T1 or E3/T3
circuits are transparently
extended across the network,
regardless of framing structure.
Framed: IPmux-16 can be
configured on a per-timeslot
basis for fractional E1/T1 services
over the packet network. CAS is
supported.
• Multibundling (grouping timeslots
originating from a specific E1 or
T1 port) can be performed for up
to 31 bundles per E1 port and
24 bundles per T1 port for
transport over the network. Both
mesh and star topologies are
supported.
• IPmux-16 allows internal
bundle cross-connect.
TIMING
• IPmux-16 maintains
synchronization between TDM
devices by deploying advanced
clock distribution mechanisms.
The clocking options are:
Internal: The IPmux-16 internal
oscillator provides the master
clock source for the TDM
circuit.
Loopback: The transmit clock is
derived from the respective
port’s receive clock.
Adaptive: The clock is
recovered from the Ethernet
network interface.
External: An optional station
clock port can be used to
synchronize E1/T1 interfaces.
ETHERNET MODULES
• Two Ethernet modules can be
installed in the IPmux-16 chassis,
providing the uplink to the packet
network.
• Ethernet link redundancy to the
network is supported when
IPmux-16 is equipped with two
Ethernet modules.
• Each module supports a single
10/100BaseT or 100BaseFx port.
• The network Ethernet modules
re-order packets arriving from the
network in the wrong order.
E1 AND T1 MODULES
• Each E1 or T1 module features
either four or eight E1 or T1
interfaces, which enable
connectivity to any standard E1 or
T1 device.
Integral LTU/CSU can be enabled
for line protection and long haul
applications.
Alarm detection and insertion are
supported together with error
statistics. SES/UAS statistics,
LOS/AIS physical layer alarms and
remote/local loopback tests are all
supported. Standard E1/T1 alarms
are transmitted end-to-end.
CHANNELIZED T3 MODULES
• A channelized T3 (CT3) module
converts T3 service signals into
28 unframed T1 streams, and each
T1 stream into IP frames that are
sent via a Fast Ethernet network.
E3 AND T3 MODULES
• Each E3 or T3 module features a
single, standard E3 or T3 interface.
• Alarm detection and insertion are
supported together with error
statistics. SES/UAS statistics, LOS/AIS
physical layer alarms and
remote/local loopback tests are
supported. Standard E3 or T3 alarms
are transmitted end-to-end.
POWER SUPPLY
• Modular hot-swappable power
supplies of the chassis support
carrier environments. The
maximum power supplied by one
unit is 75W with maximum power
consumption of 57W.
DIAGNOSTICS & MANAGEMENT
• IPmux-16 supports remote and
local loopback testing. End-to-end
alarm generation and end-to-end
AIS indication are also provided. If
a local E1/T1 port receives AIS, it is
reported to the remote port via the
Ethernet/IP network. If a local
Ethernet port is disconnected, an
AIS indication is generated both in
the local and the remote devices.
• SES and UAS statistics are
collected in 15-minute intervals
and are stored for 24 hours
(96 intervals). E1/T1 physical layer
alarms (LOS, AIS, LOF, LCV) are
also supported.
(13 pagine)
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