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Model Name

DCM-202

Model Number

DCM-202

Compliant Standard

DOCSIS 1.0
DOCSIS 1.1
DOCSIS 2.0

Interface

PC Interface

10/100BASE-T (half/full-

duplex, auto-sensing) 1 port

USB Device (12Mbps, full

speed mode) 1 port WAN
Interface

F type female 75

Ω

Receiver

Demodulation:

64/256QAM

Max Speed:

38Mbps (64QAM) / 43Mbps
(256QAM)

Frequency Range:

91 to 857 MHz ±30 kHz
(Center)

Bandwidth: 6MHz

Signal Level:

-15dBmV to +15dBmV
(Automatically Gain
Controlled by CM)

Transmitter

Modulation: 64/256QAM

TDMA

: QPSK, 8QAM,

16QAM, 32QAM, 64QAM

S-CDMA

: QPSK, 8QAM,

16QAM, 32QAM, 64QAM,
128QAM
Max Speed:

320, 640, 1280, 2560,
5120kbps (QPSK)
640, 1280, 2560, 5120,
10240kbps (16QAM)

Frequency Range:

5 to 42MHz (edge to edge)

Bandwidth:

0.2, 0.4, 0.8, 1.6, 3.2MHz
TDMA: 200, 400, 800, 1600,
3200 and 6400 kHz
S-CDMA: 1600, 3200 and
6400 kHz

Technical Specifications

Содержание DCM202 - Express Ethernetwork DOCSIS 2.0 Cable...

Страница 1: ...Manual Building Networks for People USB Ethernet D Link DCM 202 Broadband Cable Modem ...

Страница 2: ...r the Installation 5 Introduction 7 Which Installation to Use 8 Ethernet Installation 9 Troubleshooting the Ethernet Installation 13 USB Installation 16 Troubleshooting the USB Installation 26 Front and Rear Panels 29 LEDs 29 Back Panel Connectors 31 Technical Specifications 32 Technical Support 35 Warranty 36 Registration 39 ...

Страница 3: ...er CAUTION You must use the 12VDC 1 0A power adapter that comes with the D Link DCM 202 cable modem Using the wrong power adapter can damage the cable modem One 12VDC 1 0A Power adapter 1 CAT 5 UTP Ethernet cable 1 USB cable 1 Cable modem stand to install the cable modem in a vertical position CAUTION Be sure to read this entire User Manual from front to back in sequence before installing the D Li...

Страница 4: ...ows 95 Windows 98 Windows Me Windows 2000 or Windows NT operating systems or a computer running any other operating OS that supports the TCP IP Internet protocol An active Ethernet port on your computer TCP IP protocol installed See the Configuring the TCP IP Communications Protocol section for more information on installing the TCP IP protocol A PC running Windows 98 Windows 2000 or Windows Me op...

Страница 5: ...provider about adding additional IP addresses to your account See Which Installation to Use for more information Local Cable Network Service Prepare Your Workspace for the Cable Modem Installation Before installing the cable modem you should prepare your workspace You can install the cable modem vertically or attach the included four rubber feet and install the cable modem horizontally To prepare ...

Страница 6: ...he model information stickers as shown 3 Do not restrict the airflow around the cable modem 4 To enhance the best performance and proper function of the cable modem place it on a horizontal surface or workplace and make sure that the cable modem does not move when it is operating Prepare Your Workspace for the Cable Modem Installation continued ...

Страница 7: ...sidential Internet access The cable modem provides a downstream speed of up to 38Mbps from the cable network to your computer and 30Mbps from your computer to the cable network The DES data encryption helps ensure privacy for the transmitted information Another distinctive feature of the cable modem is its easy installation because DHCP and TFTP clients can obtain automatic access to the IP addres...

Страница 8: ...ur computer The USB port however only enables you to connect one computer to the cable modem See Installing the Cable Modem Using the Ethernet Port or see Installing the Cable Modem Using the USB Port in the following pages for more information Full featured compact economical cable modem with Ethernet and USB ports DOCSIS 2 0 compliant Capable of handling downstream data transmission speeds up to...

Страница 9: ...9 Installing the Cable Modem Using the Ethernet Port DCM 202 ...

Страница 10: ... Port in this manual to set up the USB Connection You can use the Ethernet port to connect to the Internet with the following operating systems Windows 95 Windows 98 Windows 98SE Windows 2000 Windows Me Windows NT or Macintosh 7 6 or later Verify the TCP IP Protocol Configuration Before installing the modem using the Ethernet setup you must verify that your computer has the TCP IP protocol install...

Страница 11: ...CP IP on Windows 95 Windows 98 and Windows Me continued Configuring TCP IP on the Windows 2000 Operating Systems To configure TCP IP on your Windows 2000 PC 1 Right click the My Network Places icon on the Windows desktop 2 Right click Local Area Connection and click Properties Look for an entry named TCP IP If you see TCP IP listed next to your Ethernet hardware device you can now go to the sectio...

Страница 12: ...or the instructions Configuring TCP IP on a Macintosh Computer Before you install your cable modem you must verify that the TCP IP communications protocol and an Ethernet device are installed on your system Many Macintosh computers have Ethernet devices installed at the factory To configure TCP IP on a Macintosh 1 Click the Apple icon in the Finder 2 Select Control Panels and then TCP IP The TCP I...

Страница 13: ...e end of the Ethernet cable into the cable modem s Ethernet port and the other end of the cable into the existing NIC 4 Plug in the computer 5 Power on the computer When installation is complete your setup should resemble the illustration above The modem is operating properly if the Power Cable Status and ETH light emitting diodes LEDs are solid green lit and not blinking Troubleshooting the Ether...

Страница 14: ...oning Refer to its documentation for troubleshooting information 8 Check for a resource conflict Windows users only To do this a Right click the My Computer icon on the Windows desktop b Click Properties c Click the Device Manager tab and look for a yellow exclamation point or red X over the NIC in the Network adapters field If you see either you have an IRQ conflict To correct this refer to the m...

Страница 15: ... plugging it back into the outlet Wait several minutes for the cable modem to re establish communications with your local cable operator then try accessing the Internet 3 Verify that you have installed TCP IP properly for Windows 95 Windows 98 Windows 98SE and Windows Me winipcfg for Windows 2000 ipconfig and that the TCP IP parameters provided by your local cable provider are correct for your com...

Страница 16: ...16 Installing the Cable Modem Using the USB Port DCM 202 ...

Страница 17: ... read this entire User s Manual from front to back in sequence before installing the DCM 202 Installing the Cable Modem Using the USB Port Installing the Hardware Cable Modem and Power Adapter To install the hardware WARNING Risk of electric shock Do not expose the cable modem to water or moisture 1 Power off the computer and television if you plan to have the cable modem and television connected ...

Страница 18: ...e Installation CD Be sure to follow the instructions below for your specific operating system 8 Plug in the computer and television Installing the Software Drivers After installing the hardware use the software driver installation procedure for your computer s operating system Installing the Software Drivers Windows 98 OS After installing the hardware the Found New Hardware screen appears followed...

Страница 19: ...esents your computer s CD ROM drive If necessary replace D with the letter of your computer s CD ROM drive NOTE You can either click Browse to locate the file or you can type D Drivers into the field next to the browse drop down list 3 Insert the D Link DCM 202 Installation and Documentation CD into the CD ROM drive 4 Click Next to search for the necessary driver files If Windows finds an updated ...

Страница 20: ... rebooted verify that the cable modem is operating properly See the documentation that came with the cable modem for details Installing the Software Drivers Windows 98 OS continued CAUTION Before proceeding to step 5 you must verify that the DCM 202 Cable Modem appears on the screen If USB Composite Device appears you must a click Back twice b Check the Specify a location check box c type the lett...

Страница 21: ...mpted to restart the PC remove the CD from the CD ROM drive and click Yes Installing the Software Drivers Windows 2000 OS This section explains how to install the cable modem using the USB Connections with the Windows 2000 operating system OS 1 Power on the computer After the computer boots up a Windows detects the cable modem b The Found New Hardware screen appears ...

Страница 22: ...ROM drive 5 The location of the file is D Drivers If necessary replace D with the letter of your computer s CD ROM drive You can either type the location of the file into the Copy manufacturer s files from field or click Browse to locate the file 6 When the correct location of the driver file appears click OK c The Found New Hardware Wizard screen appears 2 Select Search for a suitable driver for ...

Страница 23: ...oftware Drivers Windows 2000 OS continued 9 The Found New Hardware Wizard completes the driver installation Click Finish to close the wizard 10 Verify that the Power Cable Status and USB LED lights are solid green and not blinking If they are lit and not blinking installation is now complete otherwise see Troubleshooting the USB Installation for help See Cable Modem Front and Rear Panels for more ...

Страница 24: ...d New Hardware screen appears c The Add New Hardware Wizard screen appears 2 Insert the D Link DCM 202 Installation and Documentation CD into the computer s CD ROM drive 3 Select Specify the location of the driver Advanced and click Next 4 Follow the onscreen prompts to install the software driver from the DCM 202 Installation and Documentation CD The location of the file is D Drivers If necessary...

Страница 25: ...r has copied the necessary files The System Settings Change dialog box appears 7 Click Yes to restart the computer 8 Verify that the Power Cable Status and USB LEDs are solid green and not blinking If they are lit and not blinking installation is now complete otherwise see Troubleshooting the USB Installation for help See Cable Modem Front and Rear Panels for more information about thefront panel ...

Страница 26: ...wer off the computer b Unplug the computer from its electrical outlet or surge protector and then plug it back into the electrical outlet or surge protector c Power the computer on d Try accessing the Internet 6 Call your cable operator to verify that their service is two way This cable modem is designed for use with two way cable plants 7 If you are using a cable line splitter so that you can con...

Страница 27: ...s the original IP address 6 Click OK to return to the Windows desktop To release and renew the IP address for the Windows 2000 and Windows NT 4 0 operating systems 1 Click Start and select Programs then Accessories 2 Click Command Prompt 3 At the command prompt C type ipconfig release and press Enter Windows releases the IP address 4 At the command prompt type ipconfig renew Windows renews the IP ...

Страница 28: ...er cycle the cable modem by removing the power adapter from its outlet and then plugging it back into the outlet Wait several minutes for the cable modem to re establish communications with your local cable operator then try accessing the Internet 3 Verify that you have installed TCP IP properly for Windows 95 98SE and Me winipcfg for Windows 2000 ipconfig and that the TCP IP parameters provided b...

Страница 29: ... modem indicate The current performance of the cable modem The condition of the network connection between the cable modem and your cable service provider The condition of the connection between your cable modem and electrical power CAUTION Be sure to read this entire User s Manual from front to back in sequence before installing the D Link DCM 202 cable modem Front Panel LEDs Power Cable Status E...

Страница 30: ...tream frequency is locked Status Green Blinking Modem is registering with the cable company s head end Green Modem is ready for data transfers ETH Green Valid Ethernet link status Green Blinking Cable modem is transmitting receiving data through the Ethernet port USB Green USB interface is connected Green Blinking Data is being sent received through the USB port What the LED Activity Means LED LAB...

Страница 31: ...omputer s USB A type port CATV RF connector to attach the cable for broadband Internet access Power Jack to connect the power adapter included in the product package Caution You must use the 12VDC 1 0A power adapter that comes with the DCM 202 cable modem Using the wrong power adapter can damage the cable modem RESET Restores factory default settings Reset Power ETH USB CATV ...

Страница 32: ...AM 43Mbps 256QAM Frequency Range 91 to 857 MHz 30 kHz Center Bandwidth 6MHz Signal Level 15dBmV to 15dBmV Automatically Gain Controlled by CM Transmitter Modulation 64 256QAM TDMA QPSK 8QAM 16QAM 32QAM 64QAM S CDMA QPSK 8QAM 16QAM 32QAM 64QAM 128QAM Max Speed 320 640 1280 2560 5120kbps QPSK 640 1280 2560 5120 10240kbps 16QAM Frequency Range 5 to 42MHz edge to edge Bandwidth 0 2 0 4 0 8 1 6 3 2MHz ...

Страница 33: ...1dB Output Return Loss 6 dB 5 42 MHz and 91 857 MHz Max Number of CPEs 32 32 MAC addresses Filtering LLC 16 IP 32 Frequency Search Frequency Cache 4 entries Frequency Channel Plan 250kHz step Number of SID 16 Safety EN60950 UL1950 UL1310 AC DC adapter EMC EN55022 Emission EN55024 Immunity FCC Part 15 class B VCCI Class B Power Supply AC DC Adapter LinearAC DCAdapter 110V 10 50 60Hz Consumption 5W ...

Страница 34: ...rating humidity 10 to 90 Non condensing Storage temperature 4 F 20 C to 140 F 60 C LED Power Cable Status Ethernet USB Dimensions without AC Adapter 120mm W x 142mm H x 30mm D without Stand Approximately Weight 0 3kg Approximately Technical Specifications continued ...

Страница 35: ... on this product U S customers can contact D Link technical support through our web site or by phone D Link Technical Support over the Telephone 877 453 5465 24 hours a day seven days a week D Link Technical Support over the Internet http support dlink com When contacting technical support please provide the following information Model number or product name Serial number of the unit Bottom of uni...

Страница 36: ...nctional specifications for the Software as set forth in the applicable documentation from the date of original retail purchase of the Software for a period of ninety 90 days Warranty Period provided that the Software is properly installed on approved hardware and operated as contemplated in its documentation D Link further warrants that during the Warranty Period the magnetic media on which D Lin...

Страница 37: ...llation and removal of the product for repair and shipping costs Operational adjustments covered in the operating manual for the product and normal maintenance Damage that occurs in shipment due to act of God failures due to power surge and cosmetic damage Any hardware software firmware or other products or services provided by anyone other than D Link Products that have been purchased from invent...

Страница 38: ... 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 communication However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television re...

Страница 39: ...39 Register your D Link product online at http support dlink com register 10 07 04 Registration ...

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