The 1336T-GT1-SP34B is a PLC communication adapter for the 1336T series of adjustable frequency AC drives. The drives are from the Force series and this adapter is a spare part for the drives. The 1336T-GT1-SP34B adapter is a Series B adapter and the version number of the adapter is 3.03. The board must be installed or replaced by people familiar with the 1336 Force drives and they should plan the installation and the maintenance of the drive by taking into consideration the other systems. The installations should be done correctly and according to the instructions in the troubleshooting manuals. Incorrect installation may damage the associated components and the other peripheral devices.