No Communication When The Host Computer Is Connected Directly Or By Modem To The Hydran 201Ci Controller's Db-9 Or Usb Connector; No Communication Between The Host Computer And The Network Of Hydran 201I Systems - GE Hydran 201 i Instruction Manual

6. Ensure the modem's configuration string is correct.
12.2.2 No Communication When the Host Computer is Connected Directly
or by Modem to the Hydran 201Ci Controller's DB-9 or USB
Connector
1. Ensure the CommChannel parameter (communication channel; Communication
submenu; Section 4.5.6.1 on page 4-21) of all Hydran 201Ti's connected to the
H201Ci Controller is set to Supervisory Link.
2. Ensure the BaudRate parameter (data transmission speed; Communication
submenu) of all H201Ti's connected to the H201Ci Controller is identical to the one
indicated in the Hydran Host software.
3. Ensure the H201Ti ID and PowerStat. ID parameters (identification numbers of the
H201Ti's and the power station; Communication submenu) of all H201Ti's
connected to the H201Ci Controller are identical to the ones indicated in the Hydran
Host software.
4. In the Hydran Host software, ensure the specified communication port is valid
(COM1, COM2, etc.).
5. If the USB port is used, ensure the specified communication port is identical to the
one associated by your computer to your USB link.
6. Verify the supervisory link cable.
7. Verify the RS-232 or USB link cable.
8. Verify the power supply and the operation of the H201Ci Controller.
9. Ensure the modem's configuration string is correct.
12.2.3 No Communication Between the Host Computer and the Network of
Hydran 201i Systems
1. Connect the host computer to each Hydran 201Ci Controller and perform the tests
listed in Section 12.2.2 on page 12-15.
Part 17997
RS-232 and/or RS-485 Communications
Rev. 6, March 2011 12-15