Multitech RF825-E-AP User's Guide Page 24
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Chapter 3 – Setting Up a Workstation and a Wireless Account
Multi-Tech Systems, Inc. RouteFinder RF825/RF825-AP User Guide (Document Number S000422B) 24
Command Examples
Verifying Signal Strength
1. In the command window:
For EDGE and Verizon CDMA type the following command to query the signal strength: AT+CSQ
Response Example: +CSQ: xx, 99 (For xx, see the values chart below)
All other CDMA type the following command to query the signal strength: AT+CCED
Response Example: +CSQ:16, 99
+CCED:0,0,384,26,2,6,104,2513,2,17,xx,-45,-63 (For xx, see tables below)
2. The modem responds with the received signal strength (rssi).
The following table lists the xx values and explains how they correspond to the number of LEDs lit
for signal strength.
Signal Strength Tables
AT+CSQ Signal Strength LED Bars Signal Strength
0 to 6 No LEDs are lit Very weak signal
7 to 14 1 Bar LED is lit Weak signal
15 to 23 1 Bar and 2 Bar LEDs are lit Stronger signal
24 to 31 1 Bar, 2 Bar, 3 Bar LEDs are lit Strongest signal
AT+CCED Signal Strength LED Bars Signal Strength
-113 to -101 No LEDs are lit Very weak signal
-99 to -85 1 Bar LED is lit Weak signal
-83 to -67 1 Bar and 2 Bar LEDs are lit Stronger signal
-65 to -51 1 Bar, 2 Bar, 3 Bar LEDs are lit Strongest signal
Checking Network Registration and Roaming Status
Use this command to verify that the wireless MultiModem has been registered on a wireless network.
1. In the command window, type AT+CREG?
2. The modem will respond in one of the following ways:
Network Registration Verification
Value Network Registration Status
+CREG: 0,0 The modem is not registered on any network
+CREG: 0,1 The modem is registered on the home network
+CREG: 0,5 The modem is registered on a network and it is roaming
Note: If the modem indicates that it is not registered, verify the signal strength to determine if
the problem is the strength of the received signal.
- 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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