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Appendix A: Interfaces
K1297-G20 Monitor User Manual
A-47
E1/DS1 Monitoring Board
Each E1/DS1 monitoring board (PRIMO: primary rate monitoring) has
four independent PCM monitor interfaces and can receive eight signalling
links with HDLC data. The Protocol Tester can be extended to simulta-
neously monitor 16 PCM interfaces and 32 signalling links.
NOTE. EN 60950, IEC 950, UL 1950: The interface boards are designed
for connecting to a telecommunication network (TNV-1 circuits); the
appropriate interfaces are provided.