ADTRAN 1200051L6 Network Card User Manual


 
Chapter 1. Understanding ISDN and the ISU 2x64
61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual
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ENTER
123
456
789
#0
*
RS CS TD RD LD TR SR
ISU
CANCEL
ENTER
123
456
789
#0
*
RS CS TD RD LD TR SR
ISU
CANCEL
ENTER
123
456
789
#0
*
RS CS TD RD LD TR SR
DSU
CANCEL
ENTER
123
456
789
#0
*
RS CS TD RD LD TR SR
DSU
CANCEL
Figure 1-3
ISU 2x64 Interoperability