|
Headquartered in Hauppauge, New
York, Telebyte, Inc. is a leading
manufacturer of data communications
equipment for copper and fiber
networks. In addition, our high-tech
enterprise offers local loop
simulators and noise generators for
testing broadband equipment.
Telebyte supports a wide range of
communication solutions and services
including media converters,
interface converters, short haul
modems, and fiber optic products.
The company’s main focus is the
design, development, manufacturing,
marketing and sales of technology products.
It has two product lines: Data
Communications and Broadband Test Equipment.
These are used with both twisted-pair copper
cable and fiber optic cable transmission
media. They include fiber optic LAN
extenders, fiber optic converters and
modems, interface converters, short haul
modems, isolation and surge protection
devices, and others. The Broadband Test
Equipment product line is focused on test
equipment products (e.g., local loop
simulators and noise generators) used in the
development of signaling devices for
technologies achieving broadband access to
the Internet as well as the family of
Digital Subscriber Line (DSL) signaling
techniques.
Local Loop Simulators
Model 458 Series (16-Slot Chassis)
It is ideally suited for testing DSL modems
and other bandwidth-compliant telecom
devices in a high-volume production-line
environment. It has the potential to house
128 channels when all slots contain our
8-channel line modules. In addition, the
unit interfaces with a controlling PC or
terminal via IEEE-488 or RS-232 to control
loop-length settings. A user-friendly
interface or user-command language may be
used for control of the line modules.
The Model 458-CC Chassis is used with our
advanced 458 Line Module series to simulate
several cable types and offers the bandwidth
requirements for today’s xDSL technologies
such as ADSL, ADSL2, ADSL2+, VDSL and VDSL2.
Only need
one, two or three slots? The Model
458-3SL
accepts 1, 2 or 3 line modules (up to 8
channels each).
Accessories: 458 Line Modules
Model 458-3SL (3-Slot Chassis)
This compact, versatile unit accepts
1, 2 or 3 line modules and controls from 1 -
24 channels. The Telebyte Model 458-3SL is
ideal for testing DSL modems and other
bandwidth-compliant telecom devices in a
high-volume production environment. While it
can be used as a stand-alone unit, the
built-in Control Module interfaces with a PC
via RS-232, IEEE-488, or Ethernet. Line
lengths and configuration settings appear on
an LCD display on the front of the unit and
can be set via a keypad. For added
convenience, the Control Module firmware is
field-upgradeable through the RS-232 port.
The same software is used for the 458-CM
(16-Slot chassis).
The Model 458-3SL is used with our advanced
458 Line Modules that simulate several cable
types and offer the bandwidth requirements
for today’s xDSL technologies such as
varieties of ADSL, ADSL2+ and VDSL2.
User-friendly GUIs (included with line
modules) provide another means of
controlling loop lengths and communication
parameters.
Need more slots? The
Model
458 Series 16-Slot Chassis accepts up to
16 line modules (up to 8 channels per line
module).
Accessories:
458 Line Modules
Model 458 Line Module Series
- Wide variety of technologies,
including ADSL, ADSL2+, VDSL & VDSL2
- Bandwidths to 36 MHz
- Plug into our 458-3SL(3-Slot
Chassis) or 458 Series (16-Slot chassis)
- Include User-Friendly GUIs
- Multiple Configurations - from 2 to
8 channels
- Low Noise Floor / Low Crosstalk
- One-Year Warranty/Calibration. See
Customer Care Program for details.
All of our reliable 458
Line Modules can be plugged into our Model
458 Series (16-Slot) or
458-3SL (3-Slot) chassis to create a
wide variety of configurations. The use of
high-precision inductors, resistors and
capacitors facilitates full bi-directional
operation at all specified frequencies.
Bandwidths to 36 MHz accommodate the latest
technologies.
The 458
Line Module Series in Bandwidth Order
|
Line Module |
Ch |
Technology |
Cable |
Lengths/Increments |
Bandwidth |
|
458-LM-20 |
n/a |
ADSL, ADSL2, ISDN |
26 AWG
PIC |
0-20.5
kft/500 ft |
DC to 1.5 MHz |
|
458-LM-E20 |
n/a |
ADSL, ADSL2, ISDN |
0.4 mm
PE |
0-6.15
km/150 m |
DC to 1.5 MHz |
|
458-LM-HDJ |
8 |
ADSL, ADSL2, ADSL2+ |
0.4 mm Paper |
0 km to 7.5 km/500-m |
DC to 4.0 MHz |
|
458-LM-HD |
8 |
ADSL, ADSL2, ADSL2+ |
26 AWG PIC |
Channel 1: 0 - 31,750 ft/250 ft
Channel 2-8: 0-30,000 ft/2,000 ft |
DC to 4.5 MHz |
|
458-LM-HDE |
8 |
ADSL, ADSL2, ADSL2+ |
0.4 mm PE |
Channel 1: 0 - 9,450/150 m
Channel 2-8: 0-9,000/600 m |
DC to 4.5 MHz |
|
458-LM-A2-18 |
2 |
ADSL,
ADSL2, ADSL2+, VDSL, VDSL2 (supports
up to Profile 17a) |
24/26
AWG |
0-16,000 ft/100 ft |
DC to
18 MHz |
|
458-LM-A8-18 |
8 |
ADSL,
ADSL2, ADSL2+, VDSL, VDSL2 (supports
up to Profile 17a) |
26 AWG PIC |
0-15,000 ft/1,000 ft |
DC to 18 MHz |
|
458-LM-E2-18 |
2 |
ADSL,
ADSL2, ADSL2+, VDSL, VDSL2(supports
up to Profile 17a) |
0.4/0.5 mm PE |
0-8,000 m/50 m |
DC to
18 MHz |
|
458-LM-A2-36 |
2 |
ADSL,
ADSL2, ADSL2+, VDSL, VDSL2 |
24/26
AWG |
0-3,150 ft
/50
ft |
DC to
36 MHz |
|
458-LM-A8-36 |
8 |
ADSL,
ADSL2, ADSL2+, VDSL, VDSL2 |
26 AWG PIC |
0-7,500 ft
/500
ft |
DC to
36 MHz |
|
458-LM-E2-36 |
2 |
ADSL,
ADSL2+, VDSL2 |
0.4/0.5 mm PE |
0-1,575 m/25 m |
DC to
36 MHz |
Model 4901 Multi Output Universal xDSL
Noise/Interference Simulator
|
The Telebyte Model 4901
Multi-Output Noise Simulator
provides 2 to 24*
independent noise channels
in a convenient, 4U-high
unit. The system holds up to
6 AWG cards, each of which
can be configured with
either 2 or 4 channels. This
powerful solution is easily
expanded by adding more 2 or
4-port AWG cards and
companion noise injectors.
The system includes
user-friendly configuration
software allowing the user
to select and build a wide
variety of impairment models
common to DSL network
implementations. Common
crosstalk types available
include ADSL2+, VDSL2 and
many more. The user-defined
crosstalk feature allows
specification of a target
PSD on the DSL line. Using
either MATLAB (.mat) or
Excel (.xls) files, the user
supplies the target PSD in
dBm/Hz and corresponding
frequency values. This
feature produces crosstalk
with the desired PSD on the
DSL line and, optionally,
any combination of RFI
tones. No additional PC
required.
|
|
-
Bandwidth 20 kHz to
30 MHz
-
Crest Factor greater
than 5
-
Noise Floor less
than -145 dBm/Hz (as
measured at the
output of the noise
injector)
-
Expand system as
needed
-
Add up to 6 AWG
cards (2-Port and/or
4-Port) for a
maximum of 24 Ports
-
Split output from 1
AWGx port to 2 noise
injectors, expanding
ports to total of 48
Ports
-
Combine Crosstalk
and Impulse on one
test loop
-
Create a wide
variety of noise
combinations
-
High degree of
accuracy
-
Independent control
of each port
-
Select from common
crosstalk types such
as ISDN, HDSL, T1,
ADSL, G.SHDSL bis,
SHDSL and VDSL
-
Impulse noises such
as REIN and SHINE
-
Specify NEXT, FEXT
and number of
disturbers
-
Add in RFI and AWGN
(at variable levels)
-
Specify impedance,
sampling rate and
DUT location
-
Graphical
representation of
noise PSD
-
Loop Configuration
Editor provides
segment
design/displays
resulting loop
attenuation
-
Integrate with
Telebyte WLS to
control wire type
and length
-
Save custom noise
files or entire
configurations to
repeat tests with
ease and accuracy
-
Import MATLAB (.mat)
or Excel (.xls)
noise files
-
Remote control via
RS-232, multiple
Telnet sessions over
Ethernet
-
Adjust Amplitude of
Crosstalk or Impulse
noise
-
Timed noise playback
|
|
Visit the Telebyte Broadband
website for further detailed information
on the 4901
|
