Spec Sheet Preview: The Alpha Communications® CT032AE6 AlphaEntry™ Serial Connecting Cables are designed to be used with the RY008AE and/or RY032AE AlphaEntry™ relay boards. The CT032AE6 plugs onto the RY008AE or RY032AE relay board and the other end is a 9-pin 'DIN' connector that provides a simple and easy way to connect to a PC's serial port. When a 9-pin 'DIN' type serial port is not available, the CT032AE6 can plug into the PC using the model# CA-USBSER or CA-USBSERV adaptor cable, in addition to the CT032AE6.