Sequence control, flow control, SAPI control. Span active, error, bus fail and run light. Software selectable from backplane clock or internal oscillator. Resource provides channelized data transfers, including record and playback, into VME dual port memory.
Memory buffers are programmable by B channel.
Buffer grouping and data timestamp features. Tx, Rx, Signal ground. Non blocking bus supports 2,048 timeslots. Separate HDLC message channel. Optional redundant message channel.