The Port Status screen is reached via the Port Status option on the Main Menu. This screen allows you to see the status on the current serial port connection.
Port Status | This shows the current port operation. Possible
values are:
|
Physical Link | If operating, the link will show ON. This means the modem was able to connect to the number dialed. |
PPP Link | If ON, a PPP connection was successfully negotiated. |
User |
|
Phone Line Speed | The connection speed over the phone line, between your modem and the number dialed, as reported by your modem. |
Serial Line Speed | The connection speed between this device and the modem. This setting can be changed on the Modem Properties screen. |
PPP IP Address | Internet Access - The IP Address used by
this device. This address is provided by the ISP on connection. Dial-in - The IP Address used by the remote user. This IP Address is normally allocated by the DHCP Server function in this device. |
Log | Connection messages. See below for details. |
This shows the commands sent to the modem, and any status messages returned by the modem. Note that you must click Refresh to update the information.
The following table lists the common messages, and their meaning.
Message | Description |
Dialing | Dialing the ISP |
Try to establish physical connection. | The device is trying to connect with the ISP, using the modem. |
Busy | The number dialed was busy. |
Physical line is connected | Physical connection to ISP has been established. |
CONNECT nnnnnn | Physical connection was successful; nnnnnn indicates the speed of the serial link as currently configured. |
Max phone line speed nnnnnn bps | nnnnnn is the maximum speed of the modem, according to the current configuration. |
DCD low, DSR low |
Physical line break, connection lost. |
send "-----" wait "-----" |
"AT" commands sent to the modem are displayed
as they are sent. Commands in the Script file are also displayed as they are executed. |
Start PPP | Having established a physical connection, a PPP connection is now being established. |
PPP up fail | The PPP connection could not be established. |
PPP up successfully | The PPP connection was established successfully. |
Stop PPP | The PPP connection was terminated. This will occur at the end of a session, or an error condition. |
Try to hang up | Attempting to get the modem to hang up. |
Time out | There was no response from the modem |
No carrier No answer |
The number dialed did not answer. |
Idle timer expires | The time period (in the configuration) to disconnect if the link is not used is up. |
No dial tone | The modem could not obtain a dial tone. |
Set baudrate nnnn | The serial line speed is being set to the speed set in the configuration. |
Normal Operation
The following sequence of messages is typical of normal operation.
send "ATDT 0123456789"
CONNECT 115200
max phone line speed 28800 bps
physical line is connected
start PPP
ppp up successfully
Error Conditions
The following table shows messages which indicate an error condition, and the suggested corrective action.
No dial tone | The modem could not obtain a dial tone. Check your connections on the phone line and the modem. |
Busy | The number dialed was busy. Check that the number is correct. If it is, try dialing later. If this occurs regularly, check with your ISP. |
DCD low DSR low |
The connection was lost. This could indicate a bad line or poor connection. Normally, if a connection is lost, it will automatically be re-established. |
PPP up fail | The ISP rejected the attempt at connection. Check that your username and password is correct. If it is, check with your ISP to see why the connection is being rejected. |
Time out | No response. Check that the modem is ON and properly connected to the Internet Gateway. |
No carrier No answer |
There was no response from the phone number dialed. Check that the phone number is correct, and the modem is working. If both of these are OK, check with your ISP. |