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Acterna HST-3000
Handheld Outside Plant Tester
Improving the installation,
qualification, and verification of
T1 services
Reduced budgets, smaller workforces,
and untrained technicians can limit a
carrier’s ability to promptly provision
T1 service. Overcoming these obstacles requires resources that facilitate
the efficient and rapid deployment of
T1 services regardless of whether the
T1 line uses traditional repeaters,
HDSL, HDSL2, or HDSL2 4-wire circuits.
Technicians use the HST-3000 copper
test features to qualify and troubleshoot the circuit, and the T1 test
features to bit-error-rate test (BERT) the
line and verify the service. With the
VT100 emulation feature, the HST3000 provides instant access to
HDSL/HDSL2 performance statistics.
There is no need for technicians to
switch instruments; the HST-3000
combines all the tests into one tool
with one common interface.
A test solution is needed that reduces
repeat rates, failures, and kickbacks
and ensures that all tests are performed the same way, every time — the
Acterna HST-3000 Outside Plant Tester.
The HST-3000 is a modular, handheld
test instrument that tests the copper,
tests the service, and improves the
process. Rugged, versatile, and
portable, it is the ideal instrument for
testing copper circuits and T1 services.
Specifically designed for the outside
plant, the HST-3000 can be built to
order and quickly and easily upgraded
with new modules as application and
technology needs change.
The HST-3000’s custom scripting feature automates the testing process,
ensuring that tests are done completely and thoroughly every time. The
instrument’s automation functions
help reduce repeat rates and failures
by ensuring that the processes used to
test are consistent. With the HST-3000,
technicians can complete faster service
turn-ups, reduce failure rates, and
lower costs, which are all key components to surviving in today’s
competitive environment.
Highlights
– In-depth copper measurements
including DVOM, graphical TDR,
RFA/RFL, and load coil counter
– Thorough T1 testing including BERT,
loopcodes, and NIU/CSU emulation
– VT100 emulation for access to T1,
HDSL, HDSL2, HDSL2-4 wire performance statistics
– Lower repeat rates with automated
close out tests, scripting, and
pass/fail tests loaded with operator
specific thresholds for methods and
procedures
– Modular hardware and software
architecture allows easy upgrades
and enhancements
– Intuitive, easy-to-use GUI activates
features and functions
– Lightweight, rugged, and batterypowered handheld test instrument
– Water resistant to withstand
nature’s elements
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Test the copper
Testing the physical layer to predict a
loop’s ability to support T1 service is a
critical, time-consuming process.
Delayed installation, circuit failures,
or future service quality problems can
occur if testing is not performed
correctly and thoroughly every time.
Other features include tip-to-ring
capacitance measurements and a load
coil counter. The capacitance feature
measures the loop length to ensure the
total loop length is within CSA requirements. The load coil counter detects
the location and number of load coils
on the span.
The HST-3000 copper features enable
construction technicians to quickly
troubleshoot the local loop for faults
and conditions that degrade the
T1 service. With the HST-3000,
technicians quickly and accurately
identify and locate cable impairments:
shorts, grounds, opens, crosses,
splits, bridged taps, wet sections, and
other high resistive faults. These
measurements are easy to access with
the HST-3000’s advanced time domain
reflectometer (TDR), precision digital
volt/ohm meter (DVOM), and an accurate resistive fault analyzer/resistive
fault locator (RFA/RFL).
These copper features make the
HST-3000 the optimal instrument for
performing tests anywhere on the local
loop, including the main distribution
frame (MDF), crossbox, aerial splice
case, manhole splice canister, or other
access points to locate the source of
trouble. (See figure 1.)
With a push of a button, a five-point
closeout test (consisting of loop
current, circuit loss, power influence,
circuit noise, and longitudinal balance)
is run automatically. A good pair check
comparison between the test results
and (stored) preset values is graphically
displayed, informing technicians
immediately if the line quality is pass,
fail, or marginal for T1 service.
(See figures 3 and 4.)
With all of the necessary copper test
functions and advanced features
combined into one tool, the precise
location of any copper impairment is
easily and quickly detected.
The HST-3000 is also able to perform
wideband transmission impairment
measurement set (WB TIMS) loss
measurements at predefined and
user-selectable tones within a range of
10 kHz to 1.2 MHz. The instrument’s
WB TIMS meter ensures proper signal
levels at equipment inputs for T1,
HDSL, HDSL2, HDSL2 4-wire, BRI (basic
rate interface), and DDS (digital data
service) circuits.
MDF
Office
Card
Manhole
Splice Case
Central Office
Crossbox
Splice Case
CPE
Customer Premise
figure 1 Outside Plant Architecture
2
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Test the service
Beginning with the construction of the
circuit and throughout the life cycle of
the service, operators must verify that
customers are receiving the quality
they ordered. After qualifying the
copper and before handing the circuit
over to an installation and maintenance crew, a technician must run a
bit-error-rate test (BERT) to prequalify
the circuit to ensure that it will run T1
service error free.
To verify proper T1 transmission over a
traditional repeatered T1 or an HDSL
circuit, a technician needs to supply
power to the span at the MDF and test
the entire span from the central office
to the customer premises. A true
end-to-end service test requires
stressing the span and verifying the
error tolerance of the copper plant and
network equipment. (See figure 2.)
The HST-3000 T1 features include a
full-span dual T1 transmitter and
receiver that identifies marginal
troubles with all the standard T1 stress
patterns at various output levels.
Automatic configuration and results
with summary functions immediately
identify the presence of T1 pulses,
pattern, framing, and error status.
The HST-3000 also can qualify T1
spans with automated MULTIPAT TM
and BRIDGTAPTM stress patterns in
addition to inserting bit errors, frame
errors, and BPVs. Technicians, with a
push of a button, can use MULTIPATTM
to run customized BERTs with specified
durations and patterns.
Preprogrammed HTU-C, HTU-R,
doubler, T1 CSU, T1 NIU, and repeater
loopcodes enable the HST-3000 to
quickly sectionalize transmission
problems. In addition, Pairgain,
3000 ft.
6000 ft.
6000 ft.
6000 ft.
Teltrend, Adtran, Westell, and ADC
equipment specific as well as user
configurable loopcodes are supported.
Through the test instrument’s VT100
emulation feature, technicians can
access HDSL and T1 network equipment for equipment configuration,
specific performance data measurements, and loop up capabilities,
without having to carry a PC or laptop
into the field. With Acterna’s repeater
extender, technicians also can gain
access to the circuit at T1 repeaters.
The test set also can emulate T1
customer premises equipment,
simulating a CSU or NIU. CSU/NIU
emulation allows the test set to be
looped up from the central office to
verify T1 service across the entire
length of the span.
3000 ft.
Office
Repeater
Card
MDF
Line
Repeater
T1 Repeater
Power Supply
NIU
12000 ft.
12000 ft.
HTU-C
HDSL Doubler
Power Supply
Central Office
CSU
HTU-R
Doubler
HDSL Remote
Access Shelf
Customer Premise
figure 2 T1 BERT on a repeatered T1 and HDSL circuit
3
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The HST-3000 performs fractional T1
(FT1) BER tests on selected channels to
verify transmission on contiguous and
noncontiguous FT1 bandwidth. This
allows the technician to verify circuit
performance with VF and 577 Hz ID
tones at various output levels. In
addition, the HST-3000 uses a variety
of advanced stress patterns such as 55
octet, T1-DALY, and other long user
patterns as recommended by the ANSI
T1.403 standard to stress repeatered
T1/FT1 circuits.
With its enhanced T1 features and
functions, the HST-3000 is the ideal
test instrument for technicians to
troubleshoot and qualify the line
swiftly and effortlessly.
figure 3 Close out test
Improve the process
Maintaining a high percentage of T1
turn-ups means ensuring that testing
is consistent and accurate. The
HST-3000’s automated functions help
reduce repeat rates and failures by
ensuring that the processes used to
test circuits in the local loop are
consistent.
With preprogrammed tests and customized scripts, every technician
follows the same procedures, thereby
eliminating mistakes caused by
improper configurations or incorrect
testing methods. For example, the
HST-3000’s standard five-point close
out test automatically measures current, loss, noise, power influence, and
balance. (See figure 3.)
It also is essential to properly verify
that the parameters and thresholds of
all technologies, including the newer
HDSL2 and HDSL2 4-wire, are within
the operator’s specifications. An
automated test script from the menudriven GUI enables a good pair check to
measure AC/DC volts, resistance, and
opens. Results from these measurements are compared to predetermined
parameters and known good
thresholds. These results determine
whether a circuit passes, fails, or is
marginal. (See figure 4.)
By verifying the digital quality of a
copper line before service is commissioned, operators avoid repeat truck
rolls and poor service once customers
are online. And technicians who use
the HST-3000, with all of its advanced
features and functions, are able to perform more tests with greater accuracy;
a powerful advantage in an industry
focused on improving productivity and
lowering costs.
figure 4 Good Pair Check
4
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Interfaces
Dual TIP/RING and ground copper
Dual Tx/Rx T1
10/100 BT Ethernet jack
Serial port
USB Host
USB Device
Bluetooth short-range wireless
Copper specifications
Color-coded, shrouded 2mm
“mini-banana” jacks
Bantam jacks
8-pin modular
DB9 female via cable (DCE)
Input impedance
Receive level
Transmitting timing sources
Line codes
Line build out level
Line build out tolerance
Error insert
Voltage (AC)
Current (DC)
Resistance (DC)
T1 specifications
Operating Mode
Main functions
Voltage (DC)
Self test, T1 unframed, T1 D4,
T1 ESF, FT1 D4 framed,
FT1 ESF framed, T1 test
Loopback, T1 line loopback
Bridge >1000 Ohms
Term 100 Ohms +/- 5%
DSX-MON 100 Ohms +/- 5%
BRIDGE 0 to –20.0 dBdsx
TERM +6 to –35.0 dBdsx
DSX-MON +6 to –24.0 dBdsx
Internal clock
Recovered clock
AMI, B8ZS
0, 7.5, 15.0, and 22.5 dB of
cable loss at 722 kHz
+/- 1 dB at 722 kHz
with LBO of 0 dB
Logic, BPV, frame
With CO voltage
Opens
RFL
Loss
With 600 Ω Zin
With 100 or 135 Ω Zin
Tones
With 600 Ω Zout
With 100 or 135 Ω Zout
PI
Noise (600 Ω Zin)
Dial Mode
Caller ID
Carrier Level
TDR
Load Coil Count
Range
0 to 99.9 V
100 to 300 V
0 to 99.9 V
100 to 300 V
0 to 110 mA
0 to 9999 Ω
10 K Ω to 999.9 K Ω
1 M Ω to 99 M Ω
0 to 9999 Ω
0 to 10,000 ft.
10,000 ft. to 50,000 ft.
50,000 ft. to 100,000 ft.
0 to 9.99 Ω
10 to 99.9 Ω
100 to 999 Ω
–40 to +10 dBm, 200 to 4000 Hz
–70 to +10 dBm, 20K to 1.6 MHz
Select Nyquist Frequencies
200 to 4000 Hz, –20 to +1 dBm
20 K to 1.6 MHz, –20 to +5 dBm
40 to 100 dBrnc
0 to 50 dBrnc
DTMF
Date, time, number, name
–4 to –32 dBm
5 to 500 ft.
100 to 10,000 ft.
1 Kft. To 20 Kft.
5 out to 27 Kft
Service Interface
Module (SIM)
Flexible, modular platform makes technology
upgrades or hardware changes easy
HST-3000 Handheld Outside Plant Tester
Actual Size: 9.5 x 4.5 x 2.75 in
Weight: 2.7 lb with battery
5
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Physical specifications
SIMS (Modules)
Size (H x W x D)
Weight
Operating temperature
Storage temperature
Battery life
Charging time
HST-3000-CU
Dual T/R/G interface for
copper testing
HST-3000-T1 Dual Tx/Rx bantam T1 interface and
T1 software option
9.5 x 4.5 x 2.75 in
2.7 lb with battery
22°F to 122°F
–40°F to 150°F
10 hrs. typical usage
7 hours from full
discharge to full charge
Operating humidity 10% to 80% relative humidity
Storage humidity
10% to 95% relative humidity
Display
1/4 VGA monochrome transflective,
3.8-in diagonal (readable in direct sunlight)
General
Ruggedness
Water-resistance
Language
Keypad
Survives 3-ft drop to
concrete on all sides
Splashproof: may be
used in heavy rain
English
Typical 12-button keyboard
Ordering information
Base units
HST-3000C
HST-3000
HST-3000C base with copper testing
Requires the purchase of a SIM
– see separate listing for
HST3000-CAR or HST3000-CU
(Ethernet and serial ports included)
HST-3000 base without copper testing
Requires the purchase of a SIM
– see separate listing for
HST-3000-CAR or HST-3000-AR
(Ethernet and serial ports included)
Worldwide
Headquarters
Regional Sales
Headquarters
12410 Milestone Center Dr.
Germantown, Maryland
20876-7100
USA
North America
12410 Milestone Center Dr.
Germantown, Maryland
20876-7100
USA
Toll Free: 1 866 ACTERNA
Toll Free: 1 866 228 3762
Tel: +1 301 353 1560 x 2850
Fax: +1 301 353 9216
Acterna is present in more
than 80 countries. To find
your local sales office go to:
www.acterna.com
Software options
HST3000-TDR
TDR software option
HST3000-RFA
RFA/RFL software option
HST3000-WBTones WB tones/TIMS software option
HST3000-VT100
VT100 option (Includes cable
and software option)
HST3000-Script Scripted testing software option
Accessories
Test leads
POTS - 5 ft. banana plugs
to alligator clips,
T1 - bantam to bantam,
bantam to 310 Weco
Charger Adapter AC/DC battery charger/adapter
120 VAC (50/60 Hz) input;
12 VDC (1 A) output
Soft Cover
Form fitting nylon glove
for test set and leads
Carrying Case
Heavy duty, nylon case for
test set, extra SIMs,
accessories, and cables
Battery
Lithium ion
41084
T1 repeater power supply
43141
T1 repeater power supply multiplexer
44116
HDSL doubler power supply
44527
HDSL remote access shelf
41157
Repeater extender
Latin America
Av. Eng. Luis Carlos Berrini
936/8° e 9° andares
04571-000 São Paulo
SP-Brazil
Tel: +55 11 5503 3800
Fax:+55 11 5505 1598
Asia Pacific
42 Clarendon Street
PO Box 141
South Melbourne
Victoria 3205
Australia
Tel: +61 3 9690 6700
Fax:+61 3 9690 6750
Western Europe
Arbachtalstrasse 6
72800 Eningen u.A.
Germany
Tel: +49 7121 86 2222
Fax:+49 7121 86 1222
Eastern Europe,
Middle East & Africa
Elisabethstrasse 36
2500 Baden
Austria
Tel: +43 2252 85 521 0
Fax:+43 2252 80 727
Acterna AdvantageSM – adding value
with global services and solutions
From basic instrument support for
your field technicians to management
of complex, company-wide initiatives,
Acterna’s service professionals are
committed to helping you maximize
your return on investment. Whatever
your needs – product support, system
management, education services,
or business planning and consulting –
we offer programs that will give you
the competitive edge. This is the
foundation of Acterna Advantage.
Acterna is the world’s largest provider
of test and management solutions for
optical transport, access and cable
networks, and the second largest
communications test company overall.
Focused entirely on providing
equipment, software, systems and
services, Acterna helps customers
develop, install, manufacture and
maintain optical transport, access,
cable, data/IP and wireless networks.
© Copyright 2002
Acterna, LLC.
All rights reserved.
Note: Specifications,
terms and conditions
are subject to change
without notice.
Acterna, The Keepers of
Communications, and
its logo are trademarks
of Acterna, LLC. All
other trademarks and
registered trademarks
are the property of their
respective owners. Major
Acterna operations sites
are IS0 9001 registered.
1st Neopalimovskiy Per.
15/7 (4th floor)
RF 119121 Moscow
Russia
Tel: +7 095 248 2508
Fax:+7 095 248 4189
HSTOSP/DS/ACC/11-02/AE