Troubleshooting | SMC Networks SMC7901WBRA2 B1 specs

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TROUBLESHOOTING

DIAGNOSING LED INDICATORS

Table 3: LED Indicators

Symptom	Action

Power/LAN LEDs are off	◆ The AC power adapter may be disconnected. Check
	connections between the ADSL Router, the power adapter,
	and the wall outlet.

LAN LED is off	◆ Verify that the ADSL Router is powered on.
(when port connected)	◆ Be sure the cable is plugged into both the ADSL Router and

	corresponding PC.
	◆ Verify that the proper cable type is used and its length does
	not exceed specified limits.
	◆ Check the cable connections for possible defects. Replace the
	defective cable if necessary.

WLAN LED is off	◆ There is no detected signal from the 802.11b/g radio. Check
	connections and the management interface.

ADSL Sync LED is off	◆ Verify that the ADSL Router is powered on.
	◆ Be sure the cable is plugged into both the ADSL Router and
	an RJ-11 telephone jack.
	◆ Check the cable connections on the ADSL Router, and wall
	jack, for possible defects. Replace the defective cable if
	necessary.

ADSL Data LED is off	◆ Verify that the ADSL link is on.
	◆ Be sure you have configured the ADSL Router with an IP
	address for the WAN port according to the instructions from
	your service provider.
	◆ Follow the suggestions in the next section.

IF YOU CANNOT CONNECT TO THE INTERNET

◆Check that your computer is properly configured for TCP/IP.

◆Make sure the correct network adapter driver is installed for your PC operating system. If necessary, try reinstalling the driver.

◆Check that the network adapter’s speed or duplex mode has not been configured manually. We recommend setting the adapter to auto- negotiation when installing the network driver.

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SMC Networks SMC7901WBRA2 B1 manual Troubleshooting, Diagnosing LED Indicators, If YOU Cannot Connect to the Internet

Contents

User Guide User Guide Page Warranty and Product Registration Federal Communication Commission Interference Statement CompliancesFCC Radiation Exposure Statement EC Conformance Declaration 1999/5/EG. Wien Customer Information Newzealand Telepermit Service Requirements About this Guide Contents WAN LAN Wlan WEB Configuration 101 Section Appendices 111 Contents Figures Wlan Basic Settings Second Bssid Ddns TZO Tables Section Introduction KEY Hardware FeaturesDescription of Capabilities Introduction Package Contents Hardware Description Top Panel Antenna LEDs Introduction System Requirements Installing the Adsl RouterLocation Selection Attach Feet Mounting on a Horizontal Surface Wall Mounting Mounting on a Wall Wall Mounting Screws Connecting and Powering on Installing the Adsl Router Installing the Adsl Router Connecting and Powering On ISP Settings Initial ConfigurationConnecting to the Login Home page and Main Menu Login DSL Common WEB page Buttons Wizard Internet Connection Settings LAN Wlan Basic Settings Changes Wlan Setting System Restarting Initial Configuration WEB Configuration Section Web Configuration Status Information Status System System Status WAN WAN LAN Status LAN Wlan Status Wlan Status Traffic Statistics Traffic Statistics Status DSL Statistics DSL Statistics DOWNSTREAM/UPSTREAM Status ARP Table ARP Table Status Bridging Table Bridging Table Status IP Routing Table Routing Table Status Information Channel Configuration WAN Configuration Actions Edit Current ATM VC Editing an IP entry in the Current ATM VC Table Confirm Delete Actions Delete Auto PVC Settings ATM Settings Current ATM VC Adsl Settings WAN Configuration Tone Mask WAN Configuration LAN Interface LAN Configuration No Dhcp Dhcp Settings Dhcp Relay Dhcp Server MAC-Based Assignment LAN Configuration Wlan Configuration Wlan Basic Settings Wlan Basic Settings Second Bssid Second Bssid Parameters Wireless Security Setup WEP 64bits/128bits Selects between 64 bit and 128 bit keys Radius Server WEP KEY Setup WPA Security Wireless Security Setup WPA/WPA2 Setup Enterprise Radius Access ControlPersonal PRE-SHARED KEY WDS Wireless Security Setup Wireless Distribution System WDS Current WDS AP List ADD WDS AP Wireless Security Setup Advanced Settings Advanced Settings Wlan Configuration Firewall Configuration IP/PORT Filtering IP/Port Filtering Settings Current Filter Table MAC Filtering MAC Filtering Settings Current Filter Table Port Forwarding Port Forwarding Settings Current Port Forwarding Table URL Blocking Table URL Blocking Keyword Filtering Table Domain Blocking Domain Block Table DMZ DMZ Settings Prompt for Saving to Configuration DOS DoS Settings Firewall Configuration 100 COMMIT/REBOOT Administration Settings Rebooting Remote Access Backup/Restore Settings BACKUP/RESTORE Settings System Log System LOG System LOG Password Setup Password Setup Upgrade Firmware Upgrade Firmware ACL Configuration Access Control Lists Time Zone ACL Table UPnP Upnp Advanced Configuration DNS Server DNS Server Configuration Ddns DynDns Ddns Dynamic Ddns Table Dyndns Settings Static Routing Routing Configuration Static Route Table RIP Config Table RIP Configuration Specify Traffic Classification Rules IP QOS Or Dscp Assign Priority AND/OR IP Precedence AND/OR Type of Service Igmp Configuration Igmp Proxy Configuration Bridge Configuration Bridge Configuration IP Passthrough IP Passthrough Snmp Configuration Snmp Protocol Configuration ACS TR-069 Configuration Certificate Management Connection Request 126 Ping Diagnostics Ping Results ATM Loopback Adsl Tone Diagnostics Adsl Tone Diagnostics Diagnostics Test Diagnostics Test Adsl Connection Test LAN Connection Check Appendices Diagnosing LED Indicators TroubleshootingIf YOU Cannot Connect to the Internet Before Contacting Technical Support 135 136 802.11b Hardware Specifications Snmp TWISTED-PAIR Cable Assignments Cables and Pinouts 10/100BASE-TX PIN Assignments STRAIGHT-THROUGH Wiring Straight Through Wiring Crossover Wiring 3 4 5 RJ-11 Ports Glossary LAN Tkip SsidVAP WPA-PSK Index Index 149 149100000005A R01