Revision 10 ControlEdge HC900 Process & Safety Controller User and Installation Manual 151
May 2019
Key in the following command string:
AT Y0
Then, press the ENTER key.
The modem should respond with OK.
Key in the following command string:
AT &B1
Then, press the ENTER key.
The modem should respond with OK.
Key-in the following command string:
AT E0 Q1 &W0
The Modem will not respond.
Power down the modem and disconnect it from the PC.
Set the modem switches to the following:
Modem ignores DTR (Override)
Modem answers on first ring
Loads Y0-Y4 configuration from user-defined
nonvolatile memory (NVRAM)
Disables command recognition (dumb mode)
Connect the modem to the 25 pin cable connector.
Connect the modem to a telephone jack.
Power up the modem and the ControlEdge HC900 Controller.
On a remote computer, run Designer Software.
Set up Designer Software to dial the ControlEdge HC900 Controller.
Verify that communications are established with the remote ControlEdge HC900 Controller.