What is RUDAK?

Two mostly independent units, each with:
V53 CPU running SCOS
16 megabytes ECC RAM
10 SCC channels, 8 with DMA support
Modems
2 9k6 hardwired G3RUH modems
1 153k6 hardwired BPSK modem
4 DSP modulators
4 DSP demodulators
CAN bus interface
FIFO between CPUs

4 double-sided, surface-mount PCBs in one box.
27,822 solder joints...  285 screws holding it together...