Comcast 781W User Manual
  1. Manuals
  2. Brands
  3. Comcast Manuals
  4. Wireless Router
  5. 781W
  6. User manual

Comcast 781W User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

781W
1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 781W and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Comcast 781W

Summary of Contents for Comcast 781W

  • Page 1 781W...

  • Page 2: Table Of Contents

    781W Contenido Chapter 1 Product Introduction ..................... 5 1.1 Product Description ......................5 1.2 Special features ........................5 1.3 Technical Parameter ......................6 1.4 Application chart ........................7 1.5 Panel description ........................7 Chapter 2 Quick Installation ......................9 2.1 Standard Packing Contents ....................9 2.2 Quick Installation........................
  • Page 3 781W 3.3.8 Time Configuration ...................... 28 3.3.9 Router Configuration ....................29 3.4 Security ..........................31 3.4.1 WAN Access Configuration ..................31 3.4.2 Firewall ........................32 3.4.3 MAC Filter ........................33 3.4.4 IP/Port Filter ........................ 34 3.5 Application ......................... 35 3.5.1 DDNS Configuration ..................... 35 3.5.2 Advanced NAT Configuration ..................
  • Page 4 781W...

  • Page 5: Chapter 1 Product Introduction

    781W Chapter 1 Product Introduction 1.1 Product Description 1GE+WiFi 2.2 XPON ONU is support Dual mode(EPON and GPON), It can also be applied to a wide temperature environment, good WiFi coverage and also has a powerful firewall function. 1GE+WiFi 2.2 XPON ONU meets telecom operators FTTO (office), FTTD (Desk), FTTH(Home) broadband speed, SOHO broadband access, video surveillance and other requirements and design a GPON/EPON Gigabit Ethernet products .

  • Page 6: Technical Parameter

    781W 1.3 Technical Parameter Technical items Descriptions 1 G/EPON port(EPON PX20+ and GPON Class B+) Wavelength:Tx1310nm,Rx 1490nm SC/UPC or SC/APC connector PON interface Receiving sensitivity: ≤-28dBm Transmitting optical power: 0~+4dBm Transmission distance: 20KM Wavelength Tx1310nm,Rx 1490nm Optical interface SC/UPC or SC/APC connector Interface 1* 10/100/1000Mbps auto adaptive Ethernet interfaces.

  • Page 7: Application Chart

    781W 1.4 Application chart Figure 1-2: Application chart 1.5 Panel description Interface panel Figure 1-3: Interface panel...
  • Page 8 781W Name Function ON/OFF Power switch. Reset button. Press down less than 10s to restart ONU and more than 10s to restore factory default. Ethernet port. G/EPON interface, SC/PC type, single mode optical fiber cable. Indication Panel Figure 1-4: Indication panel...

  • Page 9: Chapter 2 Quick Installation

    781W Chapter 2 Quick Installation 2.1 Standard Packing Contents When you receive our products, please check carefully to make sure that our products whether have some defects or not. If something wrong with shipping, please contact carrier; other damage or lack of some parts, please contact with dealer.
  • Page 10 781W 3. After the ONU is power ON, Indicators should light up as for normal operation. Check whether the PON interface status LED (PON) is on continuously. If it is, the connection is normal; otherwise there is either problem of the physical connection or the optical level at either end. This may be caused by either too much or too little attenuation over the optical fiber.

  • Page 11: Chapter 3 Configuration

    781W Chapter 3 Configuration After finishing the basic connection configuration, you can use its basic function. In order to satisfy individuation service requirements, this charter provides the user parameter modification and individuation configuration description. 3.1 Login The device is configured by the web interface. The following steps will enable you to login: 1、...

  • Page 12: Wan Connection Info

    781W Figure 3-2: Device Information 3.2.2 WAN Connection Info 3.2.2.1 IPv4 connection Information This page shows IPv4 WAN connection information you have configured. Figure 3-3: WAN Information IPv4 3.2.2.2 IPv6 connection Information This page shows IPv6 WAN connection information you have configured.
  • Page 13 781W Figure 3-4: WAN information IPv6 3.2.2.3 PON Inform This page shows the PON information, such as Connection Info, Link performance statistics, Warning and power, temperature, voltage, Biascurrent. Figure 3-5: PON Information...

  • Page 14: User Information

    781W 3.2.3 User Information 3.2.3.1 WLAN Interface Information This page shows WLAN interface information. Figure 3-6: WLAN Interface Information 3.2.3.2 LAN Interface Information This page shows the Ethernet port information, including Gateway Info, Receive/Send Info, LAN Device Info. Figure 3-7: LAN Interface Information...

  • Page 15: Remote Management Status

    781W 3.2.4 Remote Management Status 3.2.4.1 TR069 Connection Status This page shows the Remote Connection status. Figure 3-8: TR069 Connection Status 3.2.4.2 TR069 Configuration Status This page shows the Remote Configuration status.

  • Page 16: Network

    781W Figure 3-9: TR069 Configuration State 3.3 Network 3.3.1 Internet This page allows the user to configure WAN connections. You can only configure route mode WAN connections here. The device default settings is bridge mode . Figure 3-10: WAN Connection...
  • Page 17 781W Parameter Illustration The list of WAN connection name that has been created. If you want to create a new WAN connection, please select “Create WAN Connection” and input other Parameter at the same time and then click “Create” button. If you want to edit WAN...

  • Page 18: Bind Setting

    781W There are INTERET and TR069 for choosing. 3.3.2 Bind Setting Figure 3-11: Bind Setting Configuration 3.3.3 LAN This page supports the management of the ONU's IP address, dynamic address management, including dynamic address distribution and relevant parameters distribution, such as lease time,...
  • Page 19 781W 3.3.3.1 LAN IPv4 Address Settings Figure 3-12: LAN IPv4 Address Settings Parameter Illustration LAN IP Address LAN IP address. Subnet Mask LAN IP mask. Enable DHCP Server Enable ONU DHCP server. Start IP Address The start IP address of DHCP IP pool.
  • Page 20 781W 3.3.3.2 LAN IPv6 Address Settings Figure 3-13: LAN IPv6 Address Settings 3.3.3.3 LAN IPv6 DHCP configuration Figure 3-14: LAN IPv6 DHCP configuration...

  • Page 21: Wlan Configuration

    781W 3.3.3.4 RA Configuration Figure 3-15: RA Configuration 3.3.4 WLAN Configuration...
  • Page 22 781W Figure 3-16: WLAN Configuration Figure 3-17: WLAN Advanced Configuration Figure 3-18: WLAN Security Configuration...

  • Page 23: Remote Management

    781W 3.3.5 Remote Management 3.3.5.1 ACS Server Figure 3-19: ACS Server 3.3.5.2 Upload CA Certificate Figure 3-20: Upload CA Certificate...
  • Page 24 781W 3.3.5.3 LOID This page allows the user to configure LOID and password which are used for registering to OLT. Figure 3-21: LOID settings...

  • Page 25: Qos

    781W 3.3.6 QoS 3.3.6.1 Policy Configuration This page allows the user to configure QoS. Figure 3-22: Policy Configuration...
  • Page 26 781W 3.3.6.2 QoS Classify Figure 3-23: QoS Classify Figure 3-24: QoS Classify Edit...
  • Page 27 781W 3.3.6.3 Traffice Control Figure 3-25: Traffic Flow Control Information...

  • Page 28: Time Configuration

    781W 3.3.8 Time Configuration Figure 3-26: Timer Server...

  • Page 29: Router Configuration

    781W 3.3.9 Router Configuration This page allows the user to configure static routing. 3.3.9.1 RIP This page allows the user to configure RIP . Figure 3-27: RIP 3.3.9.2 Static Route This page allows the user to specify a WAN connection as the Route Interface, then configure...
  • Page 30 781W Figure 3-28: Static Route Parameter Illustration DestNet Destination network address Subnet Mask The Mask of destination network address. Gateway Gateway IP address of static routing. Interface Select WAN connection as static routing interface.

  • Page 31: Security

    781W 3.4 Security 3.4.1 WAN Access Configuration This page allows the user to set WAN Access Configuration. Figure 3-29: WAN Acess...

  • Page 32: Firewall

    781W 3.4.2 Firewall 3.4.2.1 Security Level This page allows the user to set the level of the firewall (IPv4) . Figure 3-30: Security Level 3.4.2.2 Attack Protection Configuration This page allows the user to set the protection against DOS attacks.

  • Page 33: Mac Filter

    781W Parameter Illustration Enable Anti-Hacking Anti-Hacking Protection switch. Protection Firewall Level Low: Allow all inner or outer hosts to access. Middle: Allow inner or outer hosts which are limited by the rules that have been created to access. High: Forbid ICMP Input, Forbid Port Scan, Denial of Service protections.

  • Page 34: Ip/Port Filter

    781W 3.4.4 IP/Port Filter 3.4.4.1 IP/Port Filter This page allows the user to set the port filter. Figure 3-33: IP/Port Filter 3.4.4.1 Common Filtering Figure 3-34: Common Filtering...

  • Page 35: Application

    781W 3.5 Application 3.5.1 DDNS Configuration This page allows the user to set DDNS configuration. Figure 3-35: DDNS Configuration 3.5.2 Advanced NAT Configuration This page allows the user to set Advanced NAT configuration. 3.5.2.1 ALG Configuration Figure 3-36: ALG Configuration...
  • Page 36 781W 3.5.2.2 DMZ Configuration Figure 3-37: DMZ Configuration 3.5.2.3 Virtual Server Figure 3-38: Virtual Server Configuration...

  • Page 37: Upnp Configuration

    781W 3.5.3 UPNP Configuration 3.5.3.1 UPNP Configuration Figure 3-39: UPNP Configuration 3.5.3.2 DLNA Configuration Figure 3-40: DLNA Configuration...

  • Page 38: Igmp Configuration

    781W 3.5.4 IGMP Configuration 3.5.4.1 IGMP SNOOPING Figure 3-41: IGMP SNOOPING 3.5.4.2 IGMP Proxy Figure 3-42: IGMP Proxy...

  • Page 39: Mld Configuration

    781W 3.5.5 MLD Configuration 3.5.5.1 MLD SNOOPING Configuration Figure 3-43: MLD SNOOPING Configuration Parameter Illustration Disable Disable IGMP. Multicast streams will flood to LAN port. Enable snooping mode. Multicast streams will transmit to LAN Enable port when there is a member join the group.

  • Page 40: Iptv

    781W 3.5.6 IPTV 3.5.6.1 IPTV Figure 3-45: IPTV 3.6 Management 3.6.1 User Management This page allows the user to change username or password. There are two User level accounts: admin and user. The admin account is able to access and modify all settings of ONU. It also can modify user account’s username and password.

  • Page 41: Device Management

    781W Figure 3-46: User management 3.6.2 Device Management 3.6.2.1 Reboot This page allows the user to reboot the device or restore factory default. The process of reboot will take several minutes. Figure 3-47: Reboot 3.6.2.2 Upgrade This page allows the user to update the software of the device. Click the “browse” button to select the software and then click the “Update”...
  • Page 42 781W 3.6.2.3 Restore Default Figure 3-49: Restore Default 3.6.2.4 Config File Management This page allows the user to backup and restore the configurations.
  • Page 43 781W Figure 3-50: Config File Management Parameter Illustration Download Backup configurations to local computer. Upload Restore configurations from local computer.

  • Page 44: Log File Configuration

    781W 3.6.3 Log File Configuration Figure 3-51: System log Configuration Figure 3-52: Log Info 3.7 Diagnosis 3.7.1 Network Diagnosis 3.7.1.1 PING Diagnosis This page shows about the ping test. You can diagnose connection status between ONU and other devices.
  • Page 45 781W Figure 3-53: PING Diagnosis Parameter Illustration IP Address or Host Name Input the destination IP you want to ping. WAN Interface Select the interface you want to test. 3.7.1.2 Tracer Diagnose Figure 3-54: Tracer Diagnose...

  • Page 46: Loop Detect

    781W 3.7.1.3 Manually Inform Use Tr069 Figure 3-55: Manually Inform Use Tr069 3.7.1 Loop Detect 3.7.2.1 Loopback Test Figure 3-56: Loopback Configuration 3.8 Help The Help information of ONU displays instruction and prompt of each web UI.

  • Page 47: Chapter 4 Examples

    781W Figure 3-57: Help information Chapter 4 Examples 4.1 Internet service There are two configuration methods for Internet service. One works on bridge mode and another works on route mode. 4.1.1 Requirement Scenario 1: ONU works on bridge mode, service VLAN is 10. User gets IP address via DHCP.
  • Page 48 781W V1600D Configurations (1) Create VLAN epon-olt (config)# vlan 10 epon-olt (config-vlan-10)# exit (2) Configure uplink port epon-olt (config)# inter g 0/3 epon-olt (config-if-ge0/3)#switchport hybrid vlan 10 untagged epon-olt (config-if-ge0/3)#switchport hybrid pvid vlan 10 (3) Configure PON port epon-olt (config)# inter epon 0/2...
  • Page 49 781W Huawei MA5680T Configurations (1) Create VLAN MA5680T(config)#vlan 10 smart (2) Configure uplink port’s VLAN MA5680T(config)#port vlan 10 0/19 1 MA5680T(config)#interface giu 0/19 MA5680T(config-if-giu-0/19)#native-vlan 1 vlan 10 (3) Configure DBA profile MA5680T(config)#dba-profile add profile-id 12 profile-name 1GE type3 assure 102400 max 899968...
  • Page 50 781W  Enable VLAN. VLAN ID is 10 and 802.1p is 0.  Service list is INTERNET.  Link type is PPP. And PPPoE username and password both are ppptest.  Other Parameters keep default. Figure 4-2: Add a route WAN connection...
  • Page 51 781W Figure 4-3: Enable LAN DHCP server 3) OLT Configurations V1600D configurations: (1) Create VLAN epon-olt (config)# vlan 10 epon-olt (config-vlan-10)# exit (2) Configure uplink port epon-olt (config)# inter g 0/3 epon-olt (config-if-ge0/3)#switchport hybrid vlan 10 untagged epon-olt (config-if-ge0/3)#switchport hybrid pvid vlan 10...
  • Page 52 781W Figure 4-4: Route Mode Static IP Huawei MA5680T Configurations: (1) Create VLAN MA5680T(config)#vlan 10 smart (2) Configure uplink port VLAN MA5680T(config)#port vlan 10 0/19 1 MA5680T(config)#interface giu 0/19 MA5680T(config-if-giu-0/19)#native-vlan 1 vlan 10 (3) Configure DBA profile MA5680T(config)#dba-profile add profile-id 12 profile-name 1GE type3 assure 102400 max 899968...

  • Page 53: Iptv Service

    781W MA5680T(config)#ont-srvprofile epon profile-id 6 profile-name 1GE MA5680T(config-epon-srvprofile-6)#ont-port eth 1 MA5680T(config-epon-srvprofile-6)#commit (6) Authorize ONU MA5680T(config)#interface epon 0/5 MA5680T(config-if-epon-0/5)#ont add 1 0 mac-auth 002A-8523-C610 oam ont-lineprofile-id 11 ont-srvprofile-id 6 (7) Configure service-port MA5680T(config)#service-port 27 vlan 10 epon 0/5/1 ont 0 multi-service user-vlan 10 (8) Configure ONU WAN by ONU web 4.2 IPTV service...
  • Page 54 781W epon-olt (config-pon-0/1)# ip igmp snooping user-vlan 10 group-vlan 10 tagged epon-olt (config-pon-0/1)# exit (4) Enable IGMP Snooping epon-olt (config)# ip igmp snooping enable (5) Configure multicast port epon-olt (config)# ip igmp snooping mrouter vlan 10 interface gigabitethernet 0/5 (6) Configure ONU LAN port...
  • Page 55 781W (6) Configure multicast VLAN and strip attribute MA5680T(config-epon-srvprofile-6)#port multicast-vlan eth 1 10 MA5680T(config-epon-srvprofile-6)#port eth 1 multicast-tagstrip untag MA5680T(config-epon-srvprofile-6)#commit (7) Authorize ONU MA5680T(config)#interface epon 0/5 MA5680T(config-if-epon-0/5)#ont add 1 0 mac-auth 002A-8523-C610 oam ont-lineprofile-id 11 ont-srvprofile-id 6 (8) Configure ONU VLAN by ONU web...

  • Page 56: Chapter 5 Faq

    781W MA5680T(config-mvlan10)# igmp multicast-vlan member service-port 27 Chapter 5 FAQ 2. Q: All indicators are not lit? A: (1) Power is off or power adapter is bad. (2) Indicator LED switch is turned off. 3. Q: Why Los indicator flashes? A: (1) There is no optical signal.
  • Page 57 781W For More Information Please visit our website www.comcast-sa.com or contact your local sales representative. Comcast Nicaragua Comcast Guatemala Comcast México Ovearseas Sales Subsidiary Ovearseas Sales Subsidiary Ovearseas Sales Subsidiary 3ra. Entrada las Colinas, Embajada Cal. Lázaro Cárdenas #1309 20 calle 23-70 Zona 10...

Table of Contents