Multitech RF825-E-AP User's Guide Page 85
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Chapter 6 – Troubleshooting
Multi-Tech Systems, Inc. RouteFinder RF825/RF825-AP User Guide (Document Number S000422B) 85
Chapter 6 – Troubleshooting
This chapter provides a list of common problems encountered while installing, configuring, or administering the
RouteFinder. In the event you are unable to resolve your problem, see the copyright page for information about
contacting our Technical Support representatives.
RouteFinder Troubleshooting
Other computers can connect to the network device, but my computer can’t.
• Whenever I click on Internet Explorer or Netscape, I see the Windows Dial-up utility popping up on my
screen asking my phone number and password to dial-up my ISP. To correct this, remove the TCP/IP dial-
up adapter from all computers that will be using your RouteFinder to access the Internet. TCP/IP dial-up
adapter is not needed to use the RouteFinder to connect to the Internet.
1. To remove the Dial-up Adapter, click Start | Settings | Control Panel.
2. Double-click the Network icon.
3. Click the Dial-up Adapter and click Remove. Restart the computer and try again.
• Ensure your PC has a correct IP address. From a DOS window in Windows 95/98, type WINIPCFG or
from other Windows operating systems, type IPCONFIG. If the address field is listed as 0.0.0.0, the
computer does not have an IP address. Ensure the automatic DHCP configuration has been correctly set
up for this computer or enter a statically assigned IP address.
• Ensure that the Web browser is properly configured to connect to the Internet via the LAN.
The RouteFinder is connected, but my workstation has problems accessing the Internet.
• Ensure the workstation has TCP/IP properly configured.
• Attempt to ping the IP address of the RouteFinder.
• Use Web browser interface to see if the WAN Ethernet port has successfully acquired a dynamic IP
address from the ISP, or if the static IP address is valid.
• Use WINIPCFG (Windows 95/98) or IPCONFIG (Windows NT/ 2000) to check to see if the computer’s IP
settings are correct.
• Ensure the DNS settings are correct.
• Ensure the Gateway IP address is the device’s LAN Ethernet IP address (Server IP address).
• Ensure the IP address netmask is correct.
It appears that the RouteFinder cannot communicate with my modem.
• Check your initialization string. If you are using a GSM/EDGE cellular connection and your cellular
initialization string was not listed as a choice in the PPP Setup, go to the Network Setup > PPP Cellular
Backup screen.
My RouteFinder dials-up a connection but it can’t seem to communicate with the ISP.
• Verify that your baud rate is not set too high. The maximum baud rate that your modem or cellular module
claims it can achieve may not be attainable due to poor line or connection quality. Use the RouteFinder
Web browser management interface to set the baud rate to a lower rate and retry the connection.
• If your connection still doesn’t work, contact your ISP.
- RouteFinder 1
- Contents 3
- Chapter 1 – Introduction and 6
- Product Description 6
- Feature Details 7
- RouteFinder Documentation 8
- Safety Warnings 9
- Front and Back Panels 10
- Signal Strength AT Commands: 11
- Definition of xx Values 11
- CDMA & EDGE Back Panel 12
- Back Panel Connectors 12
- Application Example 13
- RF825-AP Specifications 14
- EDGE Specifications 15
- CDMA Specifications 15
- Specifications Description 16
- Chapter 2 – Cabling the 17
- RF825-AP Cabling 18
- Chapter 3 – Setting Up a 19
- Workstation and a Wireless 19
- Account 19
- Setting a Fixed IP Address 20
- Provider’s Service 21
- Command Examples 24
- Chapter 4 – Configuring the 25
- Navigating the Screens 26
- Sub-Menus 27
- Wizard 28
- The Wizard Setup Screen 29
- ISP Settings 30
- • WAN PPPoE Choice 31
- Admin Password 32
- Save, Reset 32
- Save to Flash Memory 33
- Restart 33
- Testing Your Workstation 33
- Web Management Software 34
- Auto Reboot Timer 35
- Administrative Access 36
- Change Password 37
- Remote Syslog 38
- SNTP Configuration 39
- Administration > Tools 41
- Trace Route 42
- DDNS – WAN 42
- Reset Modem 42
- Reset to Factory Defaults 42
- Networks & Services 43
- Network Configuration Fields 44
- How to Confirm Your Entries 44
- Important Network Notes: 44
- Service Configuration Screen 45
- Service Configuration 46
- Notes About Protocols 46
- Network Setup 47
- WAN Choice: Static IP 48
- WAN Choice: PPPoE 49
- WLAN Settings 50
- WLAN Security 51
- This is the WAP-PSK screen 52
- This is the WPA2-PSK screen 52
- Modem Initialization Strings 57
- PPP Keep-Alive Parameters 57
- PPP/Internet Keep-Alive URLs 57
- Network Setup > SNAT 61
- Network Setup > DNAT 62
- Packet Filters 63
- Packet Filter > ICMP 66
- VPN > IPSec 67
- Add an IKE Connection 68
- Add IKE Connection 68
- Add a Manual Connection 70
- Add Manual Connection 70
- VPN > PPTP 72
- User Authentication 73
- Proxy > HTTP Proxy 74
- Proxy > Custom Filters 75
- Proxy > DNS Proxy 76
- DHCP Server 77
- Fixed Addresses 78
- Utilities 79
- Statistics & Logs 80
- Chapter 6 – Troubleshooting 85
- CDMA Troubleshooting 87
- EDGE Troubleshooting 87
- Chapter 7 – Frequently Asked 88
- Questions 88
- EDGE FAQs 90
- CDMA FAQs 90
- Supported Subnet Addresses 91
- Appendix B – Antenna for the 93
- Wireless RouteFinder 93
- The Wireless Antenna 94
- Glossary 96
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