TU56/TC11 configuration

I still want to get my TC11-TU56 online, but my 11/84 is giving problems with the RL02 drives. Need to fix that first. Is the H720 the power supply inside the TU56 chassis? ISTR that you need an external power supply, +5 or +15 comes to mind, and there are two voltages possible, but only one must be connected ... I could be totally wrong. The first thing I must do is a check if all FlipChips in the TC11 are at their correct position, and if all are present...! Following this thread with argus eyes :-) - Henk. This message and attachment(s) are intended solely for use by the addressee and may contain information that is privileged, confidential or otherwise exempt from disclosure under applicable law. If you are not the intended recipient or agent thereof responsible for delivering this message to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please notify the sender immediately by telephone and with a 'reply' message. Thank you for your co-operation.