User`s guide

Chapter 5 ___________________________________________________________ Troubleshooting
VAISALA______________________________________________________________________ 175
information concerning the correct connector can be obtained in
MAWS Lizard under I/O Connections in the Equipment view.
Connection Problems
If you can not connect to MAWS, the service connection is not opened
and you can not work with MAWS. In case of connection problems,
check the possible problems as instructed in Table 24 on page 175.
Table 23 Parameters for the Open Command
Connector in MAWS Lizard Parameter
COM0 COM0
COM1 COM1
DSU232 (MOD1/1)
DSU232_0_0
1
1. With DSU232 and DSI486 modules, the number between underline
characters stands for the module place, that is, MOD1 or MOD2, and the
last number for the channel on that particular module.
DSU232 (MOD1/2) DSU232_0_1
DSU232 (MOD2/1) DSU232_1_0
DSU232 (MOD2/2) DSU232_1_1
DSI486 (MOD1/1) DSI486_0_0
DSI486 (MOD1/2)
DSI486_0_1
2
2. With the DSI486 module, the RS-232 connection is possible only to the
channel B on the module, that is, the last number is 1.
DSI486 (MOD2/1) DSI486_1_0
DSI486 (MOD2/2)
DSI486_1_1
2
Table 24 Some Common Connection Problems and Their
Remedies
Problem Probable Cause Remedy
You receive the following
message:
You are trying to connect to a
wrong port.
Select the Address book option
from the Settings menu to check
the port numbers.
Cables are not connected. Check that the modem cable is
connected properly.