Troubleshooting guide

Table Of Contents
258
3300 ICP Technician’s Handbook
BRI NSU
Table 37: NSU Trunk Type Programming Information
NSU Protocol
Link Descriptor
(Integrated
Access)
MSDN Trunk
Circuit Descriptor
Type
Universal T1/E1 T1/E1 PRI/QSIG ISDN Node Universal T1
Universal E1
Universal T1 T1 E&M T1D4 Universal T1
Universal T1/E1 T1/E1 MSDN DPNSS Universal T1
Universal E1
R2 R2 ISDN Node R2
Figure 112: BRI NSU – Front Panel
Figure 113: BRI NSU – Back Panel