The PMCS6-BRD is a PMC serial communication module based on the Motorola MC68630 that can support up to 6 serial full duplex channels. Four of these channels can be individually configured in synch or asynch mode, with full modem RS-232, RS-422 or RS-485 lines; the other two channels are RS-232 with speed up to 115 Kbit/s . All communication signal are available on the Pn4 PMC rear connection or on the front 68 pin connector.