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Chapter 1 Safety Guidance
1.1 Safety Check
Before installing the ZXDSL 831/831B/831II/831BII ADSL equipment, you
must check the following items.
1 Electric safety
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Ensure that there are no inflammable, conductive or moist objects
around. Check whether the cables are aged and whether other
electrical appliances are placed stably.
2 Equipment position
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Because the running electric devices easily generate heat, please
ensure that these devices are positioned in a well ventilated
environment.
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The devices should be placed on a stable and flat plane.
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Never expose the equipment to direct sunshine, and never place it on a
PC case.
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Keep the equipment away from heat and water.
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Check whether power supply is available. The input voltage
fluctuation range must be less than 10%. The power plug should not
share one socket with a hair drier, iron or refrigerator.
1.2 Safety Cautions
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Read the user manual carefully before using the equipment.
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Note all Cautions in the user manual and product guide.
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Never use an accessory unbelonging to the equipment without prior
consent of the manufacture, because it may cause fire or product
damage.
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Use the power adapter accompanied in the package.
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ZXDSL 831/831B/831II/831BII User’s Manual
2
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Rather than directly connecting phones to the ADSL line, led them out
from the phone interface of the splitter.
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Never place any objects on the equipment.
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Keep the equipment dry, ventilated and rainproof, and clean.
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Unplug the power and all connection cables in case of thunderstorms,
to protect the equipment against lightning.
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Clean the equipment using a soft and dry cloth rather than liquid or
atomizers. Power off the equipment before cleansing it.
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Power off the idle equipment.
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Keep the ventilation hole clean and prevent any objects from dropping
into the equipment through it. Otherwise, it may cause short circuit
and further cause equipment damage and fire. Do not spray liquid on
the surface of the equipment.
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Do not open the case of the equipment, especially during equipment
power-on.
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Before plugging/unplugging the power, make sure that the power is off,
thus avoiding surge.
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Be careful when unplugging the power, because the transformer may
be very hot.
Note:
Please read the above safety guidance carefully before equipment use. Users
should assume responsibilities for any accidents due to incompliance with the
above instructions
.
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3
Chapter 2 Overview
The ZXDSL 831/831B/831II/831BII is an ADSL access device that allows
multiple line transmission modes. The equipment provides a 10/100Base-T
Ethernet interface in a local LAN device. Through the high-speed ADSL
access service, the ZXDSL 831/831B/831II/831BII can provide the broadband
Internet service or enterprise network access service for users.
2.1 Features
The ZXDSL 831/831II, as an routing-capable ADSL MODEM, is of the
following characteristics:
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Providing ADSL high-speed Internet access via a common telephone
cable
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Supporting multiple line modes (self-adaptive lines)
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Providing a 10/100Base-T Ethernet interface
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More highly reliable, simpler operation and less power consumption
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Supporting the Bridge or Router mode
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Supporting the built-in PPPoE dialup function
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Supporting the Network Address Translation (NAT) function
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Supporting the DHCP server function
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Supporting the UPnP function
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Supporting the fast configuration function
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Backup the configuration files to a local computer or upload the saved
configuration files to the ZXDSL 831/831II.
The ZXDSL 831B/831BII, as an ADSL MODEM providing the pure bridge
function, is of the following characteristics:
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Providing ADSL high-speed Internet access via a common telephone
cable.
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ZXDSL 831/831B/831II/831BII User’s Manual
4
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Supporting multiple line modes (self-adaptive lines).
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Providing a 10/100Base-T Ethernet interface.
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More highly reliable, simpler operation and less power consumption.
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Instant plug and instant use, with no configuration required
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Supporting 64 PVCs
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Supporting the Bridge mode
2.2 Product Specifications
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Environmental requirements
Environmental temperature: 0°C-40°C (32 °F-104°F)
Humidity: 20% - 90% (non-condensing)
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Power specification
Power adapter: Input: AC 230V
±
10%, 50 Hz
Output: AC 9V, 1A
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Certification
CE
2.3 Package Check
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ZXDSL 831/831B/831II/ 831BII ADSL MODEM
×
1
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Splitter
×
1
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Power Adapter
×
1
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RJ-11 telephone cable
×
2
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ZXDSL 831/831B/831II/831BII User’s Manual
5
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R J -4 5 Et h er ne t ca b le
×
1
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User’s Manual
×
1
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Quality Warranty Card
×
1
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Certificate of Quality
×
1
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CD (Optional)
×
1
Note: for your information only, please refer to the actual product.
Note:
Please use a power adapter that matches the ZXDSL 831/831B/831II/ 831BII
package.
2.4 System Requirement
Before installing the ZXDSL 831/831B/831II/831BII, please check the
following items.
1 ADSL Services Subscription
If you have subscribed for the ADSL service, your ADSL operator must
provide at least one valid IP address for you (static allocation or dialup
dynamic allocation).
2 Computer configuration
Please make sure that the system has been equipped with the 10M/100M
Ethernet adapter and supports the TCP/IP protocol.
Because ADSL can be used for broadband access and involves a wide range
of multimedia services, you are recommended use a computer with such
configurations as: above PentiumIII, 64 M memory, 10 G hard disk, graphic
accelerating adapter with above 2 M display memory, audio adapter and
sound box.

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