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Summary of Contents for TP-Link CR1900
- Page 1 User Guide AC1900 Wireless Dual Band DOCSIS 3.0 Cable Modem Router CR1900 REV1.0.0 1910012033...
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Page 2: Table Of Contents
Contents About This Guide Chapter 1 Get to Know Your Modem Router 1. 1. Product Overview............3 1. - Page 3 6. 3. 2. Customize Your Settings..........36 6.
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Page 4: About This Guide
• The Quick Installation Guide (QIG) can be found where you find this guide or inside the package of the router. • Specifications can be found on the product page at http://www.tp-link.com. • A Technical Support Forum is provided for you to discuss our products at http://forum.tp-link.com. -
Page 5: Chapter 1 Get To Know Your Modem Router
Chapter Get to Know Your Modem Router This chapter introduces the modem router and shows its appearance. This chapter contains the following sections: • Product Overview • Product Appearance... -
Page 6: Product Overview
Chapter 1 Get to Know Your Modem Router Product Overview TP-Link’s Cable Modem Router is a combined wired/wireless network connection device with integrated wireless router and DOCSIS 3.0 modem, reducing hassle of configuration and saving space. With Ethernet ports and antennas, the modem router provides wired and wireless access for multiple computers and mobile devices. - Page 7 Chapter 1 Get to Know Your Modem Router Indication Status The modem router has synchronized more than one Green channel. White The modem router has synchronized one channel. Downstream Flashing The modem router is scanning for downstream channels. The synchronization has not started or has failed. Please refer to for troubleshooting.
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Page 8: Back Panel
Chapter 1 Get to Know Your Modem Router 2. If the Internet LED is off, check your Downstream LED and Upstream LED first. If they are also off, please refer to Note 1. If the Downstream LED and Upstream LED are on, check your internet configuration. You may need to check this part of information with your ISP and make sure everything has been input correctly. - Page 9 Chapter 1 Get to Know Your Modem Router Description Item For connecting the modem router to power socket via the provided DC Port power adapter. Power On/Off Press to power on or off the modem router. Button...
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Page 10: Quick Start
Chapter Quick Start This chapter contains the following sections: • Position Your Modem Router • Connect Your Modem Router • Activate Your Modem Router... -
Page 11: Position Your Modem Router
Chapter 2 Quick Start Position Your Modem Router With the modem router, you can access your network from anywhere within the wireless network coverage. However, the wireless signal strength and coverage vary depending on the actual environment of your modem router. Many obstacles may limit the range of the wireless signal, for example, concrete structures or thick walls. - Page 12 2 ) Immediately press the WPS button on your modem router. 3 ) The WPS LED flashes for about two minutes during the WPS process. 4 ) When the WPS LED is on, the client device has successfully connected to the modem router. WLAN TP-Link David Hotdog Ts_5G Sunny...
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Page 13: Activate Your Modem Router
Chapter 2 Quick Start Activate Your Modem Router 1. Get your internet service account information and the modem router’s Information Card ready. Information Card Serial Number MAC Address Wi-Fi Password/PIN SSID 2. Make sure your computer is set to dynamically obtain an IP address. If not, refer to Appendix: Troubleshooting for instructions. -
Page 14: Log In To Your Modem Router
Chapter Log In to Your Modem Router... - Page 15 Chapter 3 Log In to Your Modem Router With a web management page, it is easy to configure and manage the modem router. The web management page can be used on any Windows, Macintosh or UNIX OS with a web browser, such as Microsoft Internet Explorer, Mozilla Firefox or Apple Safari. Follow the steps below to log in to your modem router.
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Page 16: Chapter 4 Configure Internet Connections
Chapter Configure Internet Connections This chapter introduces how to manually configure your internet settings. Furthermore, you can also set up an IPv6 connection if your ISP provides IPv6 service. This chapter includes the following sections: • Set Up an IPv6 Connection •... -
Page 17: Set Up An Ipv6 Connection
Chapter 4 Configure Internet Connections Set Up an IPv6 Connection If your ISP has provided a line that supports IPv6 connection as well as some detailed IPv6 parameters, you can manually set up an IPv6 connection. Follow the steps below to set up an IPv6 connection: 1. -
Page 18: Test Internet Connectivity
Chapter 4 Configure Internet Connections • Stateless DHCPv6: Stateless DHCPv6 is a combination of “Stateless Address Autoconfiguration” and “Dynamic Host Configuration Protocol for IPv6” and is specified by RFC3736. Select the checkbox to enable this function. 4. Click Save to make the settings effective. Now IPv6 service is available for your network. -
Page 19: Operation Modes
Chapter 4 Configure Internet Connections Ping Timeout: Enter the time period when the ping times out. • Traceroute is used to display the route (path) your router has passed to reach the tested host, and measure transit delays of packets across an internet protocol network. -
Page 20: Chapter 5 Network Security
Chapter Network Security This chapter guides you on how to protect your home network from unauthorized users by implementing the following network security functions. You can block certain data from getting through your network, control certain client devices’ access to the internet, view log events locally or remotely, and let a certain device use an IP address exclusively. -
Page 21: Use Firewall
Chapter 5 Network Security Use Firewall You can detect certain attacks with some firewall features and block certain data from getting through your network with different protection levels. 1. Visit http://tplinkmodem.net, and log in with the password you set for the router. 2. -
Page 22: View Log Locally Or Remotely
Chapter 5 Network Security View Log Locally or Remotely Firewall Log records events that you want the router to record. You can also send the log to an email and analyze it as long as you have access to the email. ¾... -
Page 23: Access Control
Chapter 5 Network Security 3. Enter your email address in the Contact Email Address field. 4. Enter the name of your SMTP sever in the SMTP Server Name field. 5. Enter the default admin/admin or specify new username and password in the SMTP Username SMTP Password... - Page 24 Chapter 5 Network Security 3. Select the access mode to either block (recommended) or allow the device(s) in the list. To block specific device(s) 1 ) Select Blacklist and click Save. 2 ) Select the device(s) to be blocked in the Online Devices table.
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Page 25: Ip & Mac Binding
Chapter 5 Network Security 3 ) Enter the Device Name Address. You can copy and paste the information from the Online Devices table if the device is connected to your network. 4 ) Select Enable This Entry. 5 ) Click OK. Done! Now you can block or allow specific client devices to access your network (via wired or wireless) using the... - Page 26 Chapter 5 Network Security To bind the connected device(s) 1 ) Select the device(s) to be bound in the List. 2 ) Click Bind to add to the Binding List. To bind the unconnected device 1 ) Click Add. 2 ) Enter the MAC address IP address that you want to...
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Page 27: Chapter 6 Usb Settings
Chapter USB Settings This chapter describes how to share and access USB devices connected to the modem router among different clients. The modem router supports USB external flash drives, hard drives and USB printers. This chapter contains the following sections: •... -
Page 28: Local Storage Sharing
Chapter 6 USB Settings Local Storage Sharing Share your USB storage devices with different users on the network. 6 1 1 Access the USB Disk Connect Your USB Disk Insert your USB storage device into the modem router’s USB port directly or using a USB cable. - Page 29 Chapter 6 USB Settings ¾ Method 2: Open a web browser (or go to Computer) and type the server address \\CR1900 ftp://CR1900 in the address bar, then press Enter. Windows Computer 1 ) Select > Connect to Server 2 ) Type the server address...
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Page 30: Customize Your Settings
Chapter 6 USB Settings 6 1 2 Customize Your Settings ¾ To Only Share Specific Content By default, Share All is enabled so all content on the USB disk is shared. If you want to only share specific folders, follow the steps below: Visit http://tplinkmodem.net, then log in with the password you set for the router. - Page 31 Chapter 6 USB Settings Tips: The modem router can share eight volumes at most. You can click on the USB Storage Device page to detach the corresponding volume you do not need to share. ¾ To Set up Authentication for Data Security If you enable Authentication, network clients will be required to enter the username and password you set when accessing the USB disk.
- Page 32 Chapter 6 USB Settings • Shae All is disabled, enable Authentication for specific folders. Note: Due to Windows credential mechanism, you might be unable to access the USB disk after changing Authentication settings. Please log out from the Windows and try to access again. Or you can change the address of the USB disk by referring to To Customize the Address of the USB Disk.
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Page 33: Remote Access Via Ftp Server
Chapter 6 USB Settings Now you can access the USB disk by visiting \\Myshare (for Windows) or smb:// Myshare (for Mac). Remote Access via FTP Server You can access your USB disk outside the local area network. For example: • Share photos and other large files with your friends without logging in to (and paying for) a photo-sharing site or email system. - Page 34 Chapter 6 USB Settings Enable Authentication for Data Security It is strongly recommended that you set and apply a sharing account for data security. 1 ) Visit http://tplinkmodem.net, then log in with the password you set for the router. 2 ) Select Advanced >...
- Page 35 Chapter 6 USB Settings Note: Due to Windows credential mechanism, you might be unable to access the USB disk after changing Authentication settings. Please log out from the Windows and try to access again. Enable the FTP (via Internet) Select the check box to enable FTP(via Internet), then click Save.
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Page 36: Customize Your Settings
Chapter 6 USB Settings 1 ) Open a web browser (or go to Computer, only for Windows users). 2 ) Type the server address in the address bar: Type in ftp://<WAN IP address of the modem router>:<port number> (such as ftp://59.40.2.243:21). If you have specified the domain name of the modem router, you can also type ftp://<domain name>:<port number>... -
Page 37: Media Sharing
Chapter 6 USB Settings Select the Volume Name Folder Path, then specify the Folder Name as you like. Tick Enable Authentication. If you allow network clients to modify this folder, tick Enable Write Access. Click Save. Tips: The modem router can share eight volumes at most. You can click on the USB Storage Device page to... -
Page 38: Access The Usb Disk
Chapter 6 USB Settings 6 3 1 Access the USB Disk Connect Your USB Disk Insert your USB storage device into the modem router’s USB port directly or using a USB cable. Wait several seconds until the USB LED becomes solid on. Tips: •... -
Page 39: Customize Your Settings
Chapter 6 USB Settings 6 3 2 Customize Your Settings ¾ To Only Share Specific Content By default, Share All is enabled so all content on the USB disk is shared. If you want to only share specific folders, follow the steps below: Visit http://tplinkmodem.net, then log in with the password you set for the router. -
Page 40: Printer Sharing
Cable a printer to the USB port with the USB cable. Wait several seconds until the USB LED becomes solid on. Install the TP-Link USB Printer Controller Utility TP-Link USB Printer Controller Utility helps you access the shared printer. Download and Install the utility on each computer that needs printer service. 1 ) Visit http://www.tp-link.com/app/usb/. - Page 41 Chapter 6 USB Settings 3 ) Open the uncompressed folder, then click TP-Link USB Printer Controller Setup (for Windows users) or TP-Link UDS Printer Controller Installer (for Mac users) to install the utility. Access the Printer You should set the shared printer as Auto-Connect Printer on every computer that needs printer service.
- Page 42 Chapter 6 USB Settings Windows 4 ) Select the printer you share, then click Apply. Windows...
- Page 43 Windows Tips: The Print Server also allows different clients to share the scan feature of MFPs (Multi-Function Printers). To scan with TP-Link USB Printer Controller, right-click the printer and select Network Scanner. Then, a scanning window will pop up. Finish the scanning process by following the on-screen instructions.
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Page 44: Parental Controls
Chapter Parental Controls This function allows you to block inappropriate, explicit and malicious websites, and control access to specified websites at specified time. - Page 45 I want to allow my children’s devices (e.g. a computer or a tablet) to access only www.tp-link.com and wikipedia.org from 18:00 (6PM) to 22:00 (10PM) on weekdays and not other time.
- Page 46 Chapter 7 Parental Controls 4. Click Scan, and select the device to be controlled. Or, enter Device Name MAC Address manually. 5. Click the icon to set the Effective Time. Select the appropriate cell(s) and click Save. 6. Enter a Description for the entry.
- Page 47 Chapter 7 Parental Controls 1 ) Enter a web address (e.g. www.tp-link.com) or a web address keyword (e.g. wikipedia) to only allow or block access to the websites containing that keyword. 2 ) If you wish to block all internet browsing access, do not add any keyword to the Whitelist.
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Page 48: Guest Network
Chapter Guest Network This function allows you to provide Wi-Fi access for guests without disclosing your main network. When you have guests in your house, apartment, or workplace, you can create a guest network for them. In addition, you can assign network authorities for guests to ensure network security and privacy. -
Page 49: Create A Network For Guests
Chapter 8 Guest Network Create a Network for Guests Visit http://tplinkmodem.net, and log in with the password you set for the router. Go to Advanced > 2.4GHz Wireless 5GHz Wireless > Guest Network. Locate the Wireless section. Create a 2.4GHz or 5GHz guest network according to your needs. 1 ) Select Enable Guest Network. - Page 50 Chapter 8 Guest Network Select this checkbox to allow the clients in your guest network to access each other. • Allow Guests to Access My Local Network Select this checkbox to allow the clients in your guest network to access your local network, not just internet access.
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Page 51: Chapter 9 Nat Forwarding
TP-Link modem router includes three forwarding rules. If two or more rules are set, the priority of implementation from high to low is Virtual Servers, Port Triggering and DMZ. -
Page 52: Share Local Resources Over The Internet By Virtual Servers
Chapter 9 NAT Forwarding Share Local Resources over the Internet by Virtual Servers When you build up a server in the local network and want to share it over the internet, Virtual Servers can realize the service and provide it for the internet users. At the same time Virtual Servers can keep the local network safe as other services are still invisible from the internet. - Page 53 Chapter 9 NAT Forwarding 4. Click Scan to select a service from the list to automatically populate the appropriate port number in the External Port Internal Port fields. If the service is not listed, enter the service manually, and enter the External Port number (e.g. 21) or a range of ports (e.g.
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Page 54: Open Ports Dynamically By Port Triggering
Chapter 9 NAT Forwarding Open Ports Dynamically by Port Triggering Port Triggering can specify a trigger port and its corresponding external ports. When a host in the local network initiates a connection to the trigger port, all the external ports will be opened for subsequent connections. The modem router can record the IP address of the host. -
Page 55: Free Applications From Port Restriction By Dmz
Chapter 9 NAT Forwarding Free Applications from Port Restriction by DMZ When a PC is set to be a DMZ (Demilitarized Zone) host in the local network, it is totally exposed to the internet. This can realize the unlimited bidirectional communication between internal hosts and external hosts. -
Page 56: Translate Address And Port By Alg
Chapter 9 NAT Forwarding Translate Address and Port by ALG ALG (Application Layer Gateway) allows customized NAT (Network Address Translation) traversal filters to be plugged into the gateway to support address and port translation for certain application layer “control/data” protocols: FTP, TFTP, H225 etc. Enabling ALG is recommended. - Page 57 Chapter 9 NAT Forwarding • PPTP ALG: If enabled, it allows Point-to-Point sessions to be tunneled via NAT. • SIP ALG: If enabled, it allows clients communicate with SIP (Session Initiation Protocol) servers via NAT.
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Page 58: Chapter 10 Specify Your Network Settings
Chapter Specify Your Network Settings This chapter introduces how to change the default settings or adjust the basic configuration of the modem router using the web management page. This chapter contains the following sections: • Internet Settings • LAN Settings •... -
Page 59: Internet Settings
Chapter 10 Specify Your Network Settings 10 1 Internet Settings 1. Visit http://tplinkmodem.net, and log in with the password you set for the router. 2. Go to Basic > Internet page. Select the Internet Connection Type and enter the information provided by your ISP. Note: Do not change the settings unless necessary. -
Page 60: Use The Modem Router As A Dhcp Server
Chapter 10 Specify Your Network Settings 3. Type in a new IP Address appropriate to your needs. 4. Click Save in the DHCP Server section to make the settings effective. 10 2 2 Use the Modem Router as a DHCP Server You can configure the modem router to act as a DHCP server to assign IP addresses to its clients. -
Page 61: Wireless Settings
Chapter 10 Specify Your Network Settings 3. Select Enable to enable the DHCP Server function. 4. Specify the Start IP Address End IP Address which must be on the same subnet with the LAN IP. The modem router will assign addresses within this specified range to its clients. - Page 62 Chapter 10 Specify Your Network Settings Note: If you use a wireless device to change the wireless settings, you will be disconnected after the new settings are effective. Please write down the new SSID and password for future use. ¾ To hide SSID: Select Hide SSID, and your SSID will not broadcast.
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Page 63: Use Wps For Wireless Connection
Chapter 10 Specify Your Network Settings 10 3 2 Use WPS for Wireless Connection You can use WPS (Wi-Fi Protected Setup) feature to add a new wireless device to your existing network quickly. Method 1 Use the WPS Button Use this method if your client device has a WPS button. 1. -
Page 64: View Wireless Information
Chapter 10 Specify Your Network Settings 3. Keep the Router’s PIN status as enabled. Take a note of the Current PIN of the modem router. You can also click Generate to get a new PIN. 4. On the client device, enter the modem router’s PIN. (The default PIN is also printed on the label of the modem router.) 5. -
Page 65: Advanced Wireless Settings
Chapter 10 Specify Your Network Settings 1. Visit http://tplinkmodem.net, and log in with the password you set for the router. 2. Go to Basic > Network Map page and click the Wireless Clients icon. 3. You can view the detailed information of the wireless clients, including its name, IP address and MAC address. -
Page 66: Set Up A Dynamic Dns Service Account
Chapter 10 Specify Your Network Settings • AP Isolation: If you want to confine and restrict all wireless devices connected to the network from interacting with each other, but still able to access the internet, select the checkbox to enable AP Isolation. 3. -
Page 67: Chapter 11 Administrate Your Network
Chapter Administrate Your Network This chapter introduces how to view basic information, change the system settings and administrate your modem router’s network. This chapter contains the following sections: • View Basic Information • Set System Time • Back Up and Restore Configuration Settings •... -
Page 68: View Basic Information
Chapter 11 Administrate Your Network 11 1 View Basic Information 11 1 1 View System Information Visit http://tplinkmodem.net, and log in with the password you set for the router. Go to Advanced > System Tools > Network Information page, then you can view the network information. - Page 69 Chapter 11 Administrate Your Network Go to Advanced > System Tools > Connection Information page, then you can view the information of startup procedure, downstream bonded channels and upstream bonded channels.
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Page 70: Set System Time
Chapter 11 Administrate Your Network 11 2 Set System Time System time is the time displayed while the modem router is running. The system time you configure here will be used for other time-based functions such as Parental Controls. You can manually set how to get the system time. Follow the steps below to set your system time. -
Page 71: Back Up And Restore Configuration Settings
Chapter 11 Administrate Your Network Select Enable SNTP. Enter the IP address or domain name of Time Server Time Server 2 Time Server 3, and the router will get the time from the NTP Server automatically. In addition, the router has some common built-in NTP Servers that will synchronize automatically once it connects to the internet. -
Page 72: Change The Administrator Account
Chapter 11 Administrate Your Network Click Advanced > System Tools > Backup & Restore page. Click Factory Restore to reset the modem router. Wait for the resetting and then the modem router will automatically reboot. Note: 1. During the resetting process, do not turn off the modem router. 2. -
Page 73: System Log
Chapter 11 Administrate Your Network Select the checkbox to enable Remote Management. Click Save to make the settings effective. Now, all devices on the internet can log in to http://modem router’s WAN IP address : 8080 (such as http://113.116.60.229:8080) to manage the modem router. Tips: 1. -
Page 74: Appendix: Troubleshooting
Appendix: Troubleshooting T1 How do I restore my modem router’s configuration to its factory default settings? There are two ways to reset the modem router: • Method 1: Use the Reset button. With the modem router powered on, use a pin to press and hold the Reset button for at least 8 seconds until all LEDs turn back on, then release the button. - Page 75 3 ) Click Connections, select Never dial a connection; 4 ) Click settings, deselect the following three options and click OK; 5 ) Go to Advanced > Restore advanced settings, click to save the settings.
- Page 76 • Change a web browser or computer and log in again. • Reset the modem router to factory default settings. Open a web browser and log in again. If login fails, please contact the technical support. Note: You’ll need to reconfigure the modem router to surf the internet once the modem router is reset.
- Page 77 6. Please contact our Technical Support if the problem persists. T5 How to configure MAC Clone? You can manually change the MAC address of the modem router. It is helpful when your internet access account provided by your ISP is bound to one specific MAC address. In other words, your ISP just permits only one computer with the authenticated MAC address to access the internet.
- Page 78 2. Make sure your computer/device is still in the range of your router/modem, move closer if it is currently too far away; 3. Go to Basic > Wireless page, and check the wireless settings, make sure your Network Name (SSID) is not hidden. 4.
- Page 79 4 ) Connect to wireless network. 2. Windows was unable to connect to XXXX /Cannot join this network/Taking longer than usual to connect to this network. 1 ) Check the wireless signal strength of your network. If it is weak (1-3 bars), please move the router closer and try again;...
- Page 80 4 ) Select both Obtain an IP address automatically Obtain DNS server address automatically, then click OK. 5 ) Click again to save your configuration. • For Windows XP: 1 ) Right-click the Network icon on the system tray and select Open Network Connections.
- Page 81 Specifications are subject to change without notice. is a registered trademark of TP-Link Technologies Co., Ltd. Other brands and product names are trademarks or registered trademarks of their respective holders. No part of the specifications may be reproduced in any form or by any means or used to make any derivative such as translation, transformation, or adaptation without permission from TP-Link Technologies Co., Ltd.
- Page 82 FCC STATEMENT This equipment has been tested and found to comply with the limits for a Class B digital device, 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.
- Page 83 Safety Information • When product has power button, the power button is one of the way to shut off the product; when there is no power button, the only way to completely shut off power is to disconnect the product or the power adapter from the power source. •...
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