Motorola MT8733 User manual

Quick Start

DOCSIS 3.1 Cable Modem

plus AX6000 Router

plus 2 Xfinity Phone Lines

MODEL MT8733

Packaged with your MT8733

Power Supply

Ethernet Cable

RJ11 phone cord

Coax Wrench

Velcro®Cable

Organizer

Para una Guía de Inicio Rápido en español, por

favor vaya a

www.motorolanetwork.com/MT8733ir

Let’s get started

If you don’t have cable Internet service, please order that from your cable

service provider. Comcast Xfinity customers should also order phone service

if they want to use the MT8733 phone lines. This phone capability works for

Xfinity, but not for most other cable services.

If you already have an installed cable modem/router, simply disconnect your

current modem and connect the MT8733, making sure to use the power

supply provided with the MT8733. Reconnect the existing coax cable and

any other appropriate cables as described on page 3. Then activate as

described starting on page 4.

Connect your MT8733 as shown on page 3.

Connecting to a Coax Cable

Please see the connection photo on the next panel. You

connect your MT8733 to a “live” coax cable. Sometimes a

cable will already be available. Sometimes there’s a coax

wall jack available, and you connect to the jack with a coax

cable. Your MT8733 can also share a coax cable attached to

a TV by using a coax splitter. Please note that a badly chosen

splitter reduces a cable modem's speed; so if you need to use

a splitter, use a 2-way splitter whose top frequency is 1,000

MHz or higher.

PHONE (TEL1-2)

If you have Xfinity phone

service, you can connect

telephones to Tel1 or to both

of these phone jacks.

ETHERNET (LAN 1-4)

You can connect a computer,

HDTV, game station, or

other Ethernet-capable

device to any of these 4

LAN ports. Note the 2.5GE

port (2.5Gbps).

COAX

Connect a “live” coax cable

to the modem’s COAX

connector as discussed

above. (Tighten the nut so

it’s finger tight. You may

want to use the supplied

wrench. Make the

connection snug but not

over-tight.)

POWER

Connect the supplied power

cube between the power jack

and an electrical outlet.

RESET

WPS button

Prepare to activate

By now you should have:

•Subscribed to cable Internet service, and possibly to Xfinity phone service.

•Connected your MT8733.

•Powered up your cable modem/router. To do this, plug the power supply into

a standard wall outlet, and plug the power connector into your MT8733. Wait

for the green or blue online connection light to stop flashing and remain

solidly lit. This may take up to 15 minutes.

You may need your cable service account number for product registration. A

recent cable bill/statement will have this information.

If you’re asked for information about the MT8733, such as the Mac Address

or Serial Number, you can find this on the label on the bottom of the

modem/router.

Activate

Activate your MT8733 by opening the Web browser of a computer or other

device that’s connected to your MT8733, and enter xfinity.com/activate.

Your device can be connected either wirelessly or via one of the MT8733’s

Ethernet ports. If you connect wirelessly, you’ll need the unique Wireless

Network Name and Password printed on the bottom of your MT8733. (You

may wish to write these down or take a picture. Later, you will be able to

change your SSID and Password if you desire.) You’ll use these in setting up

your wireless device to connect to the MT8733. Once you’ve connected, you

can open the browser of that wireless device.

Alternatively, call the Comcast Xfinity number: 1-800-

XFINITY

Once your MT8733 is activated either online or by phone, your

service provider will provision your MT8733 service.

Typically this takes less than 5 minutes for Internet, but in

some cases this may take 30 minutes or longer. If you activate

voice service for the first time, your service provider may take

several days to activate that service.

Once you have been activated, try to browse the Web using a device

connected via Ethernet or WiFi to the MT8733. (See the section Wireless

Router below for information on connecting via WiFi). If browsing works,

Congratulations! Your MT8733’s Internet capability is working.

If you have Xfinity phone service and want to use that, make sure the

MT8733’s Tel1 light is ON. (You may have to wait a few minutes after

power-up.) If you haven’t already, plug a phone into the Tel1 port. Take the

phone off-hook and confirm there is a dial tone. Then make a call and ask the

person who answers to call you right back. Hang up so you can receive the

incoming call and verify that your phone is working. For more information

about using the MT711 telephone capability, please see the Telephone

Adapter section on page 8. If your MT8733 is NOT working, see

Troubleshooting Tips on page 12.

Note on phone service: Xfinity offers phone service for one

phone number only or for two phone numbers. Tel1 works

with one line and will work with the optional UPS power

backup device for 5 hours of talk time if AC power is lost (15

hours with additional booster packs). Tel2 will only work if

you have 2 phone numbers from Xfinity. The second phone

number will not work if AC power is lost.

Configuration Manager

You may not need to use the MT8733’s Configuration Manager. Here are

some reasons for using it:

•You want to change the wireless network name and password. For instance,

maybe you want a more easily remembered name, or you're replacing a router

and want to use your existing WiFi Network Name (SSID) and/or WiFi

Password/Key instead of the unique ones that come with the MT8733. You

can use the same SSID and Password for both 5G and 2.4G. When

connecting to WiFi, the MT8733 will connect using the best band available.

•You want to set up special Internet gaming settings.

•You want to get performance information about the MT8733 modem and/or

built-in router. This can be helpful in diagnosing DOCSIS performance issues

and/or optimizing wireless performance.

If you need to access the MT8733 Configuration Manager, open your Web

browser. Type http://192.168.0.1 in the address bar and then press the Enter

key.

In the login dialog box type the following User Name and Password in lower

case, then click OK.

User Name: admin

Password: Type the unique password printed on your device’s

bottom label in the Password field.

The Basic Status and Settings page will appear. If this page doesn’t appear,

please see the Troubleshooting Tips below.

For more detailed information about the MT8733 and its Configuration

Manager, please see www.motorolanetwork.com/MT8733manual

Wireless Router

As noted before, the MT8733 has a unique Wireless Network Name/SSID

and Wireless Security Key/Password printed on the MT8733’s bottom label.

Set up your wireless devices to work with this SSID and security key, or with

the SSID and security key you specified, if you changed them.

Note that wireless performance depends on a number of factors. Please keep

these things in mind:

•Where possible, put the MT8733 in a central place so that it’s not too far

away from your wireless devices that need Internet access.

•Try to avoid interference from Bluetooth headsets and stereos, microwave

ovens, WiFi-capable printers, and 2.4 GHz cordless phones and base stations.

Try not to put the MT8733 close to these interfering devices.

•Sometimes it helps to change the MT8733 wireless channel frequency to

reduce interference with neighbors’ wireless networks. This is discussed in

the Troubleshooting section of this Quick Start.

•Wireless range can be limited by a variety of issues, including weak wireless

clients and challenging building configurations. Sometimes devices with a

weak wireless signal will connect to the MT8733, and often those devices can

slow down your network’s WiFi. If you need greater wireless range far away

from your MT8733, you could add a Range Extender. For more information,

please see www.motorolanetwork.com/extenders

If you have coaxial cable running near your router and a distant wireless

access point, HDTV, or other device, MoCA is often a good way to connect

the router to the device. MoCA can share the same cable used for cable TV or

cable Internet. With the Motorola MM1000 MoCA Adapter, speeds are up to

1,000 Mbps. Please see www.motorolanetwork.com/MocaWifi

Telephone Adapter

The MT8733 includes two telephone ports that support standard (land line)

telephones and other devices. The MT8733 is designed to work with Comcast

Xfinity voice service only.

To use the telephone ports, first make sure you have subscribed to Xfinity

voice service. This service may be provisioned to support either one line,

Tel1, or both Tel1 and Tel2.

You can connect almost any standard telephone equipment into an activated

MT8733 telephone port. This includes almost anything that connects using an

RJ11 jack—telephones, cordless phone base stations, answering machines,

etc. (If you want to connect an alarm system, check with the manufacturer for

compatibility).

You can connect individual devices, or you can connect multiple devices that

plug into the same phone line. (Their Ringer Equivalence Numbers need to

add up to 5 or less.) One way to connect multiple devices is to plug the

MT8733 phone port into a jack connected to existing telephone wiring.

Before doing this, make sure to disconnect the wiring totally from the

telephone company’s network demarc. This is normally done by unplugging

a phone cord at the jack nearest to where the phone line comes into your

home. After you unplug that phone cord, check that none of the phones on

that line gets dial tone when you go off-hook. If they don’t, it’s safe to

connect a phone cord from one of the line’s jacks to an MT8733 phone jack.

You may want to attach a cordless phone base station to the MT8733, and

then place cordless handsets wherever you like.

Front Panel Lights

During Power up, the lights will blink for about a minute.

LIGHT

COLOR

DESCRIPTION

Power Green

OFF:

Power supplied by

external UPS

ON:

Normal power-on

Downstream

Green or

Blue

OFF:

On external UPS power

Green Blinking:

Scanning for DS channel

Green ON:

Connected on 1

Downstream channel

Blue Blinking:

Negotiating bonded

channel(s)

†

Blue ON:

Bonded with 2 or more

hannels

Upstream

Green or

Blue

OFF:

Upstream not connected

or on

external UPS power

Green Blinking:

Ranging in progress

Green ON:

Connected on 1 channel

Blue Blinking:

Negotiating bonded

channel(s)

†

Blue ON:

Bonded with 2 or more

channels

Online

Green or

Blue

OFF:

Offline or on external UPS

power

Blinking:

Trying to go online

Green ON:

Blue ON:

Online in DOCSIS 3.0 mode

Online in DOCSIS 3.1 mode

UPS power Green

OFF:

Unit running on AC-

supplied power

ON:

AC power fail / External

UPS back-up active

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