6. RAS Information
6.3 Trouble shooting
When AS311 does not work properly, check the following points.
When AS311’s RUN |
| Does the POWER LED on |
LED does not light; |
| the T3 power supply module |
|
| light ? |
|
|
|
| Is the AS311 mounted |
|
|
|
| |
|
|
|
| securely on the base ? |
|
|
|
|
|
When RX1/RX2 LED |
|
|
| Are the transmission |
|
|
| ||
does not light while |
|
|
| signals (RXD, SG, etc.) |
the connected device is |
|
|
| connected properly ? |
transmitting a message; |
|
|
|
|
|
|
|
|
If no, check the power
voltage/connection.
If no, check the internal
5 Vdc current consumption.
Remove the AS311,
and mount again
securely.
Check the cable
connection.
When the received data 
cannot be read properly;
When a data cannot be transmitted from the AS311 (TX1/TX2 LED does not light);
Does the receive error
occur ?
Is the T3 program working
correctly ?
Does the transmit error
occur ?
Check the transmission parameters (baudrate,
parity, etc.).
Check the cable
connection.
Confirm the receive
error information.
Check the T3 program.
Confirm the transmit
error information.
Check the T3 program.
Is the CTS signal |
|
| Check the cable |
|
| ||
connected properly ? |
|
| connection. |
|
|
| If CTS signal is OFF, |
| |||
|
|
| data transmitting |
|
|
| is prohibited. |
User’s Manual 57
