Specifications

Table of Contentsxiii
Troubleshooting the MGX 8220 Shelf8-1
General Troubleshooting Procedures8-2
Replacing Parts8-2
Replacing a Front Card8-3
Replacing a Line Module8-3
Replacing a DC Power Entry Module8-4
Replacing the Cooling, Booster, Plenum, and AC Power Assemblies8-4
Appendix A Cabling SummaryA-1
IntroductionA-1
T3 Trunk CablingA-1
IMATM T1/E1 ConnectorsA-2
Frame Relay CablingA-2
T1 CablingA-2
E1 CablingA-3
X.21 Port ConnectorsA-5
HSSI Port ConnectorsA-6
Cabling for RJ-48 Connectors on T1 and E1 PortsA-6
DC Power CablingA-7
AC Power CablingA-7
Control and Clock CablingA-8
Maintenance and Control PortsA-8
Modem CableA-9
External Clock Input CablingA-9
External Alarm CablingA-10
Standard MGX 8220 CablesA-11
Redundancy “Y” CableA-12
Appendix B SpecificationsB-1
BNM-T3 SpecificationB-1
Intershelf LinkB-1
Card GeneralB-2
BNM-E3 SpecificationB-3
Intershelf LinkB-3
Card GeneralB-4
BNM-155 SpecificationsB-5
Intershelf Link SpecificationsB-5
ASC SpecificationB-7
SRM-T1/E1 SpecificationB-7
FRSM-4T1 SpecificationB-9
Service InterfaceB-9
System InterfaceB-11
Virtual CircuitsB-11