CXDMRB0

DMR is an IOMOD that exercises up to and including two consecutively addressed and consecutively vectored DMR11 Synchronous interfaces. This module exercise may be run with line unit loopback (TTL loopback). Additionally if two DMRs are to be exercised, the operator may select to perform an actual link exercise with actual cable connection.

A set data pattern is used for data transmission. The receiver and transmitter ISR are always at priority five (BR1,BR2). Data checking is performed at level 0. This checking is done outside the ISRs and only on the last buffer received because a common is used for all received buffers.