TURBOCOMM DAZ8801F Manuel utilisateur
TurboComm DAZ8801F / ECM100 User’s Manual
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TurboComm DAZ8801F / ECM100 User’s Manual
Page 2
Introduction
Congratulations on Your Purchase!
Your new DAZ8801F / ECM100 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 TurboComm
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
TurboComm Cable Modem and accessory equipment. Please read them carefully before operating and
using your modem.
TurboComm DAZ8801F / ECM100 User’s Manual
Page 3
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 TurboComm, as
they may cause electrical or fire hazards.
Use the Recommended AC Adaptor - You must use the Adaptor that comes with your TurboComm
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.
TurboComm DAZ8801F / ECM100 User’s Manual
Page 4
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.
Do not disconnect RF cable from your TurboComm 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 TurboComm to determine that the product is in
safe operating condition.
TurboComm DAZ8801F / ECM100 User’s Manual
Page 5
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.
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 TurboComm 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 for the TurboComm 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.
TurboComm DAZ8801F / ECM100 User’s Manual
Page 6
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.
TurboComm DAZ8801F / ECM100 User’s Manual
Page 7
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.
TurboComm DOCSIS Cable Modem, Model DAZ8801
Ethernet Cable (6 feet)
AC Adaptor(AD-121AN)
This manual (6F9S0462)
TurboComm DAZ8801F / ECM100 User’s Manual
Page 8
Diagnostics
The TurboComm Cable Modem has five status LEDs for diagnostics. You can monitor the LEDs
during installation and power on.
Table 1 shows TurboComm 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
Cable Green -dark for no downstream RF carrier present or power off
-flashing slowly for downstream RF carrier present and ranging in
progress
-flashing fast for registration in progress
-solid for the Cable Modem registered and ready to transfer data
PC Green -dark for no Ethernet carrier present or power off
-solid for Ethernet carrier present
Data Green -dark for no user data going through the Cable Modem or power off
-flashing for user data going through the Cable Modem
Test Amber -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
TurboComm DAZ8801F / ECM100 User’s Manual
Page 9
Specifications
The DAZ8801F / ECM100 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: > 6 dB from 88 MHz to 860 Mhz
Transmitter
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: 12VDC @ 1 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
TurboComm DAZ8801F / ECM100 User’s Manual
Page 10
FCC Compliance
This TurboComm 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.
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