Trend-Aurora Duet
AuroraDuet
ISDN Test Equipment
ISDN
Hand-held testing for Basic & Primary Rate ISDN
The AuroraDuet is the total
simplest of line installations yet
solution to problem issues
sophisticated enough to be used
associated with the operation of
in a laboratory to validate the
the ISDN. Available as a Basic
operation of new developments.
Rate or combined Basic and
Primary Rate test instrument, the
AuroraDuet provides a
complete range of test functions
from the very basic to the very
advanced. With this instrument,
the engineer can maintain the
integrity of the ISDN circuits and
equipment under his control at
any time. This hand-held unit is
an ideal instrument for the field
The extensive functionality of the
service tests to save time. The
AuroraDuet makes it ideal for
unit’s size and design means
all applications that engineers in
that virtually any location where
the field can experience. Much
it is possible to install ISDN
thought has gone into the actual
equipment is accessible to an
operating requirements of the
engineer with an AuroraDuet,
tester. The logically constructed
including areas of poor light
menus for configuration and
quality. The AuroraDuet is
operation are supplemented by
also capable of being totally
single key selections for
controlled remotely by an
commonly needed functions and
engineer using a PC connected
engineer dealing with the
directly to the tester or across
the PSTN.
The AuroraDuet is a key asset
AuroraDuet
to all business activities involving
The total solution to
ISDN testing
make extensive use of the U
ISDN. Service providers can
interface and V5 monitoring
capabilities. Organisations concerned with the commissioning
and installation of ISDN
equipment can profit from the
simulation capability. Companies
involved with maintenance and
troubleshooting will find the
monitoring and analysis
functionality invaluable.
Manufacturers of ISDN
equipment can use the
AuroraDuet as a Quality
assessment tool, and users of
ISDN services can ensure that
the services are as expected
and as an arbitration tool
between different suppliers
in their ISDN environment.
What are the key testing
applications?
Simulation
Physical layer 1 testing and
The AuroraDuet can
monitoring using LEDs and
simulate on the Basic Rate ‘S/T’
Screen gives indication of
or ‘U’ reference points allowing a
Remote Alarm, CRC Error, Sync
loopback commands and on the
Physical layer testing
and Link Quality
assessment
Primary Rate interface in TE or
When a call fails or call set-up
NT mode, either directly on the
problems exist it is essential to
Selective BERT capability for
exchange or at customer
have an instant readout of the
both Basic and Primary Rate
premises.
physical layer quality indicators
circuits, including Nx64k multi
to help isolate customer
channel
equipment problems. The
2MB framed and unframed BERT
AuroraDuet offers ‘hotkey’
capability for PCM circuit testing
full combination of TE, NT and
LT modes including EOC
Multi-channel simulation:
Phantom power for NT1, S-bus
devices as well as power feed to
Up0 interface
Alarm, Signal Detect, AIS,
Activation, Info states and a
number of other key indicators.
access to view instantly G.703
and G.704 error counts and
messages when in monitor or
B1, B2, Bx channel selection in
simulation test modes. When
Keypad support for * and #;
Basic Rate modes
installing or maintaining coaxial
Hold/Retrieve; Call Waiting;
or twisted pair cabling for
Forwarding (CFU, CFB, CFNR);
2Mbit/S links the cable ‘digital
Completion; Closed User Group;
quality’ will need to be
Terminal Portability; 3 Party and
Automatic B-Channel Cross
Connect on Basic Rate for
“mini-switch” simulation
determined. This can be
Conference Calls; Malicious Call
Establish up to 30 simultaneous
achieved by terminating each
ID; Origination and display of
calls in Primary Rate modes
end of the link (receive and
Calling Line Identity (CLIP),
Establish up to 15 simultaneous
transmit paths) with an
Connected Line Identity (COLP),
cross-connect calls in Primary
AuroraDuet running a
Charging information; Validates
Rate NT mode
wide-band bit-error-rate-test
operation of Direct Dialling In
(BERT) across the link.
(DDI), Multiple Subscriber
Traffic generation capability using
Numbers (MSN), User to User
automated tests
information, Alpha-numeric
subaddressing.
AuroraExpert
PC analysis package
Teleservice &
Supplementary
Service Testing
Monitor
Mode
Automatic Service Tests for one
key testing
NT Mode
TE Mode
Monitor Mode
LT Mode
Check the line configuration
Check Quality of Service by
initiating BER Tests
Validates operation across all
RXB
PBX
RXA
NT
channels
X25
Identifies which services are
available on the line under test
and therefore those which are
not.
Central Switch
What are the key testing
applications?
Monitoring
Protocol Monitoring, Trace and
Analysis – It’s not enough to
know what is wrong, it’s knowing
On-screen Real-time decode and
why it’s wrong. Capture the
trace of D-Channel activity
awkward, intermittent errors that
Filters allow specific protocols
cause the underlying problems.
to be selected with frame
timestamps
Many filter and trigger criteria
including layer, call reference,
SAPI, TEI, and many more for
initiating call tracing and
monitoring
B-Channel monitor on selected
time slots
Onboard storage of data for
analysis with AuroraExpert
TE
NT
ISDN
AuroraExpert real-time
protocol analysis
International, National and
Private protocols – enables
engineers to work on a variety of
equipment and mixed protocol
different tester. Also provides
ETSI, EDSS1, 1TR6, VN4, TPH,
DASS, DPNSS, QSIG, CorNet-N,
CorNet-T, CorNet NQ, TN1R6
identification and decode of
X.25 D & B-Channel
networks without using a
encapsulated protocols in
IP protocol decode support
conforming to RFC1490
B-Channel including PPP/IP.
Holds over 16 protocols on one
tester which means the right one
should always be to hand
LT
ISDN
V5
Access
Network
ETSI
Monitor
QSIG
QSIG
NT
CorNet-N
CorNet T
TE
Monitor
Remote testing and diagnosis
Full remote operation
Intermittent faults may result in
PC control through “Virtual
Instrument” representation of
the AuroraDuet
many unproductive and costly
Up to 20 instrument and
location profiles for central
testing control.
be controlled remotely via a
Analyse the remote traces with
AuroraExpert
place or tests to be set running
site visits before the fault is
observed. The AuroraDuet may
PSTN modem or ISDN TA. This
will allow real-time testing to take
with dial-up and download of
results later.
Virtual AuroraDuet
S-Bus
ISDN
PC
TA
TA
Remote Monitor
or Simulate
PSTN
Modem
Modem
Direct Cable Connection
V5 Protocol Monitor
With access networks providing
the means to accommodate
mixed technologies across
multiple E1 spans, monitoring
and decoding the traffic over
these interfaces is crucial in
determining where cross
protocol errors may occur.
The AuroraDuet provides an
Fully decode all V5.1 and V5.2
automatic link protocol scan to
protocols
identify C-Channel protocols,
Decode encapsulated ISDN and
LAPD signalling and link
configuration.
X.25 signalling (user signalling)
Scan and identify C-Channel
protocols and link configuration
Drop any timeslot to the
AuroraDuet communication
port
Extensive on-tester filtering;
protocol, LFA, layer and lots
more
ISDN
Mixed
Technologies
V5.x – E1 Link
Access
Network
Leased
Line
PSTN
LE-Local
Exchange
ISDN
technical
Data
AuroraDuet
ITEM
BRI
PRI
Display G.703/G.704 statistics and
FAS/NFAS word
Physical Measurement
Voltage measurement across common
mode pairs
Voice
3.1KHz and ISDN voice calls on user selected B-Channel. With manual or
automatic answer.
Data
Automatic answer. Wide range of Teleservices. Auto/Manual Bit Error inject.
Loop of Receive to Transmit data.
Test Length
1 min, 15 mins, 1 hr, continuous User defined.
Test Pattern
11 selectable & user defined
Results (Displayed as
per G.821)
Bits received, Bit Errors, Bit error ratio, Errored seconds, Error Free seconds,
Severely Errored Seconds, Unavailable Seconds, Degraded Minutes,
Elapsed time, Sync losses.
13 selectable & user defined
Protocol
Display of call progress and textual explanation of clear/fail causes. Monitor and
Tracer facility giving time stamped three layer decode to screen or printer port.
Interfaces
S/T: 192Kbps to ITU 1.430
ITU G.703 2.048Mbps
RJ45 or TAE8 + 4 connectors
75ohm unbalanced/120ohm
balanced TAE8 + 4
Connectors
RJ11 for audio input/output
Transmit clock recovered from
received data. Internally generated
2.048Mbps + 10 ppm. Supplied from
external source Coding HDB3, CRC4
on/off.
Clocking
RS232
Asynchronous selectable to 115.2Kbps
Parallel
Synchronous
U Interface
(Individual hardware required
for each interface)
2B1Q, 4B3T, Up0
using TAE8 + 4.
Display
Backlit display 24 characters by 16 lines
Indicators
TE Mode Operational
NT Mode Operational
Monitor Mode Operational
Battery Charge/Low Level
BERT Sync
BRI S bus selected
D Channel present
B1 Channel selected
B2 Channel selected
L1 Status
U interface selected
PRI Mode Selected
Rx Data A
Sync A
RX Data B
Sync B
L2 Status
Weight
320 x 105 x 60 mm
320 x 105 x 75 mm
Operating temp
1kg
Size
Storage temp
Power Supply
1.6kg
0oC – 40oC
-25oC – 60oC (ETSI 300 019 – 1-1 class 1.2)
Rechargeable Nickel Cadmium battery. Supplied with 220/240 VAC
to DC adaptor.
Options
S-bus wiring tester.
Remote Control. Providing remote operation of an unattended AuroraDuet by
a PC attached via a direct wire connection, a PSTN line or the over the ISDN
network. This software accessory may be fitted to both PRI and BRI units.
Requires Remote Control software for PC.
Trend Communications Ltd
Knaves Beech Estate
Loudwater
High Wycombe
Buckinghamshire
HP10 9QZ
United Kingdom
International: +44 (0)1628 524977
United Kingdom: 01628 524977
France: 01 69 35 54 70
Deutchsland: 089 32 30 09 11
Italia: 02 73 91 414
España: 93 300 3313
India: 022 859 7463
Email: [email protected]
Web: www.trendcomms.com
A Member of the Telemetrix plc Group
Distributor
To arrange a demonstration or to obtain the latest information on the Trend
AuroraDuet or any of Trend’s other test equipment, contact your nearest Trend
Distributor.
422620 01 08.01
Trend Aurora is a registered trade mark of Trend Communications Ltd.
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