SONET/SDH

The SONET/SDH interfaces are supported on the Channelized OC3/STM1 (Multi-Rate) Circuit Emulation MIC with SFP. 

One can configure the following SONET/SDH physical interface properties: 

• Loopback capability 
• Framing ? Interface speed 
• Automatic Protection Switching 
• External or loop timing 
• Internal timing 
• Up or down defect hold-time