Chapter 3. Operation
3-6
Drop and Insert Option Module User Manual
61200065L1-1
D & I Errors
The D & I Errors submenu provides current error information
about the T1 connected to the D & I module. There are four
different errors, as shown in Figure 3-4.
The asterisk (*) above an item indicates the type of errors
detected.
Figure 3-4. D & I Errors Display
CRC
Cyclic redundancy check
BPV
Bipolar violations
XS0
Excess zeros
FER
Framing errors
Summary of Contents for 1200065L1-1
Page 1: ...Drop and Insert Option Module Part Number 1200065L1 1 User Manual 6120065L1 1B September 1999...
Page 8: ...viii...
Page 12: ...List of Figures lxii Drop and Insert Option Module User Manual 61200065L1 1...
Page 14: ...List of Tables xiv Drop and Insert Option Module User Manual 61200421L1 1...
Page 36: ...Appendix A Failure Messages A 2 Drop and Insert Option Module User Manual 61200065L1 1...
Page 40: ......