HON HAI PRECISION IND T6098 DOCSIS CABLE MODEM14 User Manual MLT0005P15001

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Document ID	109905
Application ID	Oa5mfSi70brQ117/sf94lQ==
Document Description	USERS MANUAL
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Permanent Confidential	No
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Document Type	User Manual
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Filesize	6.67kB (83431 bits)
Date Submitted	2000-07-21 00:00:00
Date Available	2000-07-31 00:00:00
Creation Date	0000-00-00 00:00:00
Producing Software	Acrobat PDFWriter 3.02 for Windows
Document Lastmod	0000-00-00 00:00:00
Document Title	MLT0005P15001
Document Creator	Microsoft Word
Document Author:	Unknown

AMBIT Microsystems Corporation
Headquarters: 5F-1, 5 Hsin-An Road, Hsinchu
Taipei Branch: 11F,100-1 Min-Chuan Road,
Science-Based Industria Park Taiwan, R.O.C.
Hsin-Tien, Taiwan, R.O.C.
TEL: +886 3 5784975
TEL:+886-2-218 9800
User’s Manual
AMBIT Microsystems Corporation
Headquarters: 5F-1, 5 Hsin-An Road, Hsinchu
Taipei Branch: 11F,100-1 Min-Chuan Road,
Science-Based Industria Park Taiwan, R.O.C.
Hsin-Tien, Taiwan, R.O.C.
TEL: +886 3 5784975
TEL:+886-2-218 9800
Introduction
Congratulations on Your Purchase!
Your new
DOCSIS Cable Modem will provide you with high-speed access to the Internet through your cable TV
(CATV) network - access at a fraction of the time it takes traditional telephone modems. In addition, your service
will be always connected. Those two features give you the information you want, when you want it ... and your
telephone line is kept free.
Important Rules for Safe Operation
In addition to the careful attention devoted to quality standards in the manufacture of your Ambit DOCSIS Cable
Modem, safety is a major factor in the design of every product. However, safety is your responsibility, too.
This section lists important information that will help assure your enjoyment and proper use of the Ambit Cable
Modem and accessory equipment. Please read them carefully before operating and using your modem.
AMBIT Microsystems Corporation
Headquarters: 5F-1, 5 Hsin-An Road, Hsinchu
Taipei Branch: 11F,100-1 Min-Chuan Road,
Science-Based Industria Park Taiwan, R.O.C.
Hsin-Tien, Taiwan, R.O.C.
TEL: +886 3 5784975
TEL:+886-2-218 9800
Installation
Read and Follow Instructions - You should read all the safety and operating instructions before operating the
modem. Follow all operating instructions.
Retain Instructions - You should save all the safety and operating instructions, for your future reference.
Heed Warnings - Comply with all warnings on the products and in the operating instructions.
Check Power Sources - Operate this product only from the type of power source indicated on the product's
marking label. If you are not sure of
the type of power supplied to your home, consult your dealer or local
power company.
Be Careful of Overloading - Do not overload wall outlets or extension cords, as this can result in a risk of fire or
electric shock. Overloaded AC outlets, extension cords, frayed power cords, damaged or cracked wire insulation,
and broken plugs are dangerous. They may result in a shock or fire hazard. Periodically examine the cord, and, if
its appearance indicates damage or deteriorated insulation, have it replaced by your service technician.
Protect Power Cords - Route power supply cords so that they are not likely to be walked on or pinched by items
placed upon or against them.
Pay particular attention to cords where they are attached to plugs and convenience receptacles, and examine the
point where they exit from the product.
Check Ventilation - Slots and openings in the enclosure are provided for ventilation to ensure reliable operation
of the product and to protect it from overheating. Do not block or cover these openings. Never block these
openings by placing the product on a bed, sofa, rug, or other similar surface. Never place this product near or over
a radiator or heat register, or any other heat source (including amplifiers). Do not place this product in a built-in
installation, such as a bookcase or equipment rack, unless you provide proper ventilation.
Do Not Use Accessories - Do not use attachments, unless they are recommended by Ambit, as they may cause
electrical or fire hazards.
Use the Recommended AC Adaptor - You must use the Adaptor that comes with your Ambit Cable Modem.
Do Not Use Near Water - Do not use this product near water - for example, near a bath tub, wash bowl, kitchen
sink or laundry tub, in a wet basement or near a swimming pool, and the like.
Do Not Place Near High Temperature Source -for example near a steamer, Kitchen range fire, and the like.
Use Caution in Mounting This Product - Do not place this product on an unstable surface or support. The
product may fall, causing serious injury to a child or adult, as well as serious damage to the product.
Use Care in Moving Product-and-Cart Combinations - Quick stops, excessive, force and uneven surfaces may
cause the product-and-cart combination to overturn.
Ground the Cable System - Be sure that the outside cable system is grounded, so as to provide some protection
against voltage surges and built-up static charges.
Section 810 of the National Electric Code, ANSI/NFPA No. 70-1984 (Section 54 of the Canadian Electrical Code,
Part 1) provides information with respect to proper
grounding of the cable system.
AMBIT Microsystems Corporation
Headquarters: 5F-1, 5 Hsin-An Road, Hsinchu
Taipei Branch: 11F,100-1 Min-Chuan Road,
Science-Based Industria Park Taiwan, R.O.C.
Hsin-Tien, Taiwan, R.O.C.
TEL: +886 3 5784975
TEL:+886-2-218 9800
Do not disconnect RF cable from your Ambit Cable Modem while the power to your modem is on.
Use
Unplug Power Before Cleaning - Do not use liquid cleaner or aerosol cleaner. Use a damp cloth for cleaning.
Keep Objects Out of Openings - Never push objects of any kind into this product through openings, as they may
touch dangerous voltage or "short-out" parts, which could result in a fire or electric shock. Never spill liquid on the
product.
Protect From Lightning - For added protection for this product during a lightning storm, or when it is left
unattended and unused for long periods of time, unplug it from the wall outlet, and disconnect the cable system.
This will prevent damage to the product due to lightning and power line surges.
Take at least 10 seconds between DC plug off and on.
Service
Do Not Remove Covers - Do not attempt to service this product yourself, as opening or removing covers may
expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel.
Unplug this product from the wall outlet carefully, as the AC adaptor may be hot.
Refer Servicing to Qualified Service Personnel Under the Conditions Listed Below
When the power supply cord or plug is damaged.
If liquid has been spilled or objects have fallen into the product.
If the product has been exposed to rain or water.
If the product does not operate normally by following the operating instructions. Adjust only those controls
that are covered by the operating instructions.
If the product has been dropped or the cabinet has been damaged.
When the product exhibits a distinct change in performance, such as the inability to perform basic functions this indicates a need for service.
Require Safety Check - Upon completion of any service or repairs to this product, ask the service technician to
perform safety checks recommended by Ambit to determine that the product is in safe operating condition.
Overview
The modem provides you with high-speed data communications over the television cable network by following the
widely accepted DOCSIS/MCNS standards being developed by the Multimedia Cable Network System (MCNS)
consortium. Those standards offer a combination of high performance and interoperability among many of the
cable system operators in North America.
AMBIT Microsystems Corporation
Headquarters: 5F-1, 5 Hsin-An Road, Hsinchu
Taipei Branch: 11F,100-1 Min-Chuan Road,
Science-Based Industria Park Taiwan, R.O.C.
Hsin-Tien, Taiwan, R.O.C.
TEL: +886 3 5784975
TEL:+886-2-218 9800
How does a cable modem work?
As you know, digital signals are represented by high and low electrical voltage levels. And how fast these levels
can switch and still be transmitted is determined by the "bandwidth" of the transmission system. The pair of wires
used in a telephone connection have greatly limited bandwidth, because of their electrical characteristics. So what
we do is connect a device called a modem between the computer output and the 'phone line. The modem
generates an electrical wave whose strength and phase change in step with the highs and lows of the computer's
digital output. It's because of the "smoothness" of the resultant signal that a higher data rate can be transmitted.
A cable modem MOdulates and DEModulates electrical signals in the same sense that the telephone modem does.
However, since coaxial cable can carry much higher wave frequencies, cable modems are far more sophisticated.
Their internals can include a tuner, a bridge, a router, an encryption/decryption device, an SNMP agent and an
Ethernet hub.
Furthermore, none of the activity caused by these circuits and codes disturbs your regular cable
TV reception.
How does a cable modem connect to a computer?
The 10BaseT Ethernet connection used by Ambit is emerging as the most popular. This connection has been used
for years to allow business computers to talk to each other in a LAN (Local Area Network).
The new DOCSIS standard may change this in the future. But for now, an Ethernet card must be installed in your
computer Ambit port for the Ambit Cable Modem to work.
What is DOCSIS?
Data Over Cable Service Interface Specifications. DOCSIS defines interface
requirements for cable modems involved in high-speed data distribution over a cable television network.
On November 17, 1997, Cable Television Laboratories, Inc. (Cable Labs) and its
members established a formal path of certification for cable modem equipment
suppliers to obtain an "interoperability seal" for their products based on the DOCSIS specification. This
certification process provides cable modem equipment suppliers with a fast, market-oriented method for attaining
cable industry acknowledgment of compliance with DOCSIS.
The seal is meant to provide the purchaser with a way to be confident that the modem equipment to be purchased
is compliant with the specification, and that the equipment interoperates with DOCSIS products made by other
vendors.
AMBIT Microsystems Corporation
Headquarters: 5F-1, 5 Hsin-An Road, Hsinchu
Taipei Branch: 11F,100-1 Min-Chuan Road,
Science-Based Industria Park Taiwan, R.O.C.
Hsin-Tien, Taiwan, R.O.C.
TEL: +886 3 5784975
TEL:+886-2-218 9800
Getting Started
What's in the Box?
Make sure that you've received the following items. If any item is missing or damaged, contact your dealer
immediately.
Ambit DOCSIS Cable Modem
Ethernet Cable (6 feet)
AC Adaptor
This manua
AMBIT Microsystems Corporation
Headquarters: 5F-1, 5 Hsin-An Road, Hsinchu
Taipei Branch: 11F,100-1 Min-Chuan Road,
Science-Based Industria Park Taiwan, R.O.C.
Hsin-Tien, Taiwan, R.O.C.
TEL: +886 3 5784975
TEL:+886-2-218 9800
Diagnostics
The Ambit Cable Modem has five status LEDs for diagnostics. You can monitor the LEDs during installation and
power on.
Table 1 shows Ambit Cable Modem status LEDs and identifies what each LED light means. This table will help you
to diagnose problems.
Function
Color
Definition
Power
Green
dark for power off
solid for power on
dark for no downstream RF carrier present or power off
flashing slowly for downstream RF carrier present and ranging in
Cable
Green
progress
flashing fast for registration in progress
solid for the Cable Modem registered and ready to
transfer
data
PC
Data
Green
Green
dark for no Ethernet carrier present or power
off
solid for Ethernet carrier present
dark for no user data going through the Cable Modem or power
off
Test
Amber
flashing for user data going through the Cable Modem
dark for initial self-test of the Cable Modem OK or power off
flashing for initial self-test of the Cable Modem in progress or
software down loading of the Cable Modem in progress
solid for self-test failure of the Cable Modem
Table 1
Status LEDs
AMBIT Microsystems Corporation
Headquarters: 5F-1, 5 Hsin-An Road, Hsinchu
Taipei Branch: 11F,100-1 Min-Chuan Road,
Science-Based Industria Park Taiwan, R.O.C.
Hsin-Tien, Taiwan, R.O.C.
TEL: +886 3 5784975
TEL:+886-2-218 9800
Specifications
The
DOCSIS Cable Modem is DOCSIS/MCNS compliant.
Receiver
Physical Speed:
30 Mbps (64QAM) / 43 Mbps (256QAM)
Symbol rate:
5.056941 Msym/sec (64QAM);
5.360537 Msym/sec (256QAM)
Demodulation:
64QAM / 256QAM
Bandwidth:
6 MHz
Frequency range:
88 MHz to 860 MHz (edge-to-edge) in 62.5 kHz steps
Input signal level:
-15dBmV to+15dBmV
Input impedance:
75 ohms
Return loss:
Transmitter
> 6 dB from 88 MHz to 860 Mhz
Physical Speed:
320,640,1280,2560,5120Kbps(QPSK)
640,1280,2560,5120,10240Kbps(16QAM)
Symbol rate:
160, 320, 640, 1280 ksym/sec
Modulation:
QPSK / 16QAM
Bandwidth:
200, 400, 800, 1600, 3200 kHz
Frequency range:
5 to 42 MHz (edge-to-edge), in 1Hz steps
Output signal level:
8 dBmV to 58 dBmV (QPSK)
8 dBmV to 55 dBmV (16QAM)
Power
AC adapter input:
120VAC @ 60 Hz
AC adapter output
to cable modem:
10VDC @ 1.2 A
AC power consumption: 8 W (Max)
Mechanical
Size:
1.96 in. (width) x 8.07 in. (depth) x 5.96 in. (height)
Weight:
2.1 lb
Environmental
Operating
temperature:
32 to 104 degrees Fahrenheit
Humidity:
10 to 90 percent (noncondensing)
Storage
temperature:
-4 to 140 degrees Fahrenheit
Safety:
UL1310, UL1950
Emission:
FCC part 15, class B
Accessory:
AC adapter
AMBIT Microsystems Corporation
Headquarters: 5F-1, 5 Hsin-An Road, Hsinchu
Taipei Branch: 11F,100-1 Min-Chuan Road,
Science-Based Industria Park Taiwan, R.O.C.
Hsin-Tien, Taiwan, R.O.C.
TEL: +886 3 5784975
TEL:+886-2-218 9800
FCC Compliance
This Ambit DOCSIS Cable Modem has been tested and found to comply with the limits for a Class B personal
computer and peripherals, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation, if this unit does cause harmful interference to radio or television reception, which can be
determined by turning the unit off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which
the receiver is
connected.
Consult the dealer or experienced radio/TV technician for help.
Subnet
A network subdivision. When subnetting is used, the IP (Internet Protocol) address is divided into a subnet number
and a host number. Hosts and gateways identify the bits used for the network and subnet number through the use
of a subnet mask.
TCP/IP communication stack
Software in the subscriber computer that processes packets through the
communication layers. The subscriber configures the IP addresses for the computer and the router default
gateway in the software. The TCP/IP communication stack handles all the communications with the subscriber's
application.
AMBIT Microsystems Corporation
Headquarters: 5F-1, 5 Hsin-An Road, Hsinchu
Taipei Branch: 11F,100-1 Min-Chuan Road,
Science-Based Industria Park Taiwan, R.O.C.
Hsin-Tien, Taiwan, R.O.C.
TEL: +886 3 5784975
TEL:+886-2-218 9800
Installing the Cable Modem
The Ambit DOCSIS Cable Modem is designed to be positioned vertically or horizontally. To avoid thermal
problems, allow at least one inch spacing between the ventilation holes and any object to either side of the unit. It's
best to have no obstructions on top of the unit. The top of the unit should be at least two inches from any
obstruction.
Connect the cable modem using the following steps, referring to the figure below.
1.
Connect the Cable TV coax to the input connector of a signal splitter.
2.
Connect a coaxial cable from one of the output connectors of the splitter to the input connector of the
television set.
3.
Connect a coaxial cable from the other output connector of the splitter to the RF input connector on the cable
modem rear panel.
4.
Connect the 10BaseT signal cable from your computer to the 10BASE-T connector on the cable modem rear
panel.
5.
Connect the AC adapter to the DC IN 12V 1A jack on the cable modem rear panel. Then plug in the AC
adapter to the wall electrical outlet.
The power indicator LED on the modem front panel will light, if power is present at the outlet. The modem will start
operating once power is connected. No additional operator intervention is required. It will automatically find the
data channel, register and connect to your computer.
Check the cable modem status. The front panel indicators (LEDs) show that the cable modem is operating
properly when they are in the following condition:
POWER - lit
CABLE - lit
PC - lit
DATA - flashing or not lit
TEST - not lit
AMBIT Microsystems Corporation
Headquarters: 5F-1, 5 Hsin-An Road, Hsinchu
Taipei Branch: 11F,100-1 Min-Chuan Road,
Science-Based Industria Park Taiwan, R.O.C.
Hsin-Tien, Taiwan, R.O.C.
TEL: +886 3 5784975
TEL:+886-2-218 9800
Consumer Cable Modem FAQ's
What is a MCNS compliant cable modem?
- A cable modem is a device that hooks up to your computer and instead of getting an internet connection through
your telephone wire (or another system), you get a connection through your cable network (same place your cable
TV connection comes from). The bandwidth is much bigger in your cable network and allows you to get
information from the internet at much faster speeds. And do not worry, installation is done by your cable operator
or computer store.
How can I as a consumer get an
Ambit currently sells their
Cable Modem and sign up for the high-speed cable modem service?
Cable Modems directly to cable operators. They in turn supply them to you. They
either lease the cable modem in their monthly high-speed data service fee or give you the option to purchase
the modem. Please contact your local cable operator to see if they offer the service in your area and reference
our list of commercially deployed areas.
What equipment do I need to use an
Cable Modem?
- A cable operator that provides the high-speed data service
- A Computer (our
Cable Modem is platform independent so it does not matter what kind)
- A standard 10BaseT Ethernet connection (installed by your cable operator)
Can I still watch cable TV while using my
Cable Modem?
Yes, you cable wire is split at your home so both may be used at the same time.
Can I have cable modem service but not subscribe to cable TV?
- Yes, you may have one, or both.
How much faster is an
Cable Modem connection than other internet connections.
- Please refer to How Fast?
How long does it take to log on?
- Your
Cable Modem is always on, a connection is always open, so you never have to wait for a slow log on
procedure.
If I call my cable operator and they say they do not offer high-speed cable modem service, what can I do?
- Tell them that your are interested in receiving the service and fill out our lead generator found on our web site to
make them aware of the demand.
If my cable operator offers the service, but not with the Ambit
you and use it with their service?
Cable Modem, can I purchase the modem from
- Unfortunately, the cable operator decides who their cable modem vendor is going to be and you have to go along
AMBIT Microsystems Corporation
Headquarters: 5F-1, 5 Hsin-An Road, Hsinchu
Taipei Branch: 11F,100-1 Min-Chuan Road,
Science-Based Industria Park Taiwan, R.O.C.
Hsin-Tien, Taiwan, R.O.C.
TEL: +886 3 5784975
use a
TEL:+886-2-218 9800
Cable Modem!
Can I get an internal Cable Modem?
- Yes, we are providing also PCI bus interface internal cable modem.

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