Information
The Cisco OSM-8CHOC12/T3-SI is a line card module designed for use in Cisco 12000 Series routers. It provides eight ports of OC-12/STM-4 or DS3/E3 connectivity. The "OC-12" refers to the optical carrier level 12, which is a transmission rate of 622.08 Mbps, and "DS3/E3" refers to the digital signal level 3 or the third level of the European E-carrier system, which operates at a rate of 44.736 Mbps. The "SI" in the model name stands for "single interface," indicating that each port on the line card can be configured as either an OC-12 or DS3/E3 interface.
Specifications
Line Rate
622 Mbps
Technology
Optical Services Module
Interface Type
Single-mode fiber (SMF)
Number of Ports
8
E3 Compatibility
No
Maximum Distance
40 km
T3 Compatibility
Yes
Supported Interfaces
- OC-12/STM-4
- T3/E3
ITU-T G.781 SSM Support
Yes
SONET/SDH Compatibility
Yes
ITU-T G.8131 SSM Support
Yes
ITU-T G.8132 SSM Support
Yes
ITU-T G.8133 SSM Support
Yes
ITU-T G.8134 SSM Support
Yes
ITU-T G.8135 SSM Support
Yes
ITU-T G.781 Synchronization
Yes
ITU-T G.783 Synchronization
Yes
ITU-T G.813 Synchronization
Yes
ITU-T G.7041 Synchronization
Yes
ITU-T G.8131 Synchronization
Yes
ITU-T G.8132 Synchronization
Yes
ITU-T G.8133 Synchronization
Yes
ITU-T G.8134 Synchronization
Yes
ITU-T G.8135 Synchronization
Yes
ITU-T G.8261 Synchronization
Yes
ITU-T G.8262 Synchronization
Yes
ITU-T G.8264 Synchronization
Yes
Synchronous Ethernet (SyncE) Support
Yes