Specifications
CHAPTER
MGX 8220 Service Modules4-1
4
MGX 8220 Service Modules
In Release 4.1, the MGX 8220 shelf offers the following types of service modules:
• Channelized T1/E1 frame service modules
• Fractional T1/E1 frame service modules
• T1/E1 ATM UNI service modules
• T1/E1 Circuit Emulation service modules
• Inverse Multiplexer for ATM trunk module
• Combined 8 port ATM Inverse Multiplexer and ATM UNI service module
• High Speed FR service module
NoteThe 3T3 version of the Service Resource Module (SRM-3T3) is not a conventional service
module but does provide three T3 service lines to carry multiple T1 service lines.
Up to a total of ten service modules can be configured in an MGX 8220 shelf in slots 5 through 14.
Current service modules (T1/E1 service modules) can be configured with 1:N redundancy protection
if an optional SRM card is installed.