Here you can see I have a physical connection.
config-DigitalInterface-SL2DV1DI1# sta
Physical Layer (L1): : Active
DataLink Layer (L2): : Undefined
Transmitted Frames : 511
Transmitted Octets : 2043
Receieved Frames : 116
Receieved Octets : 348
Received Frame Length Violations : 0
Received Aborted Frames : 0
Received Frame w/CRC Errors : 0
Transmit Underruns : 0