The following inputs and outputs are located on the front and rear panel of the instrument:
Inputs and Outputs for the Reference Frequency (REF...)
AF Connector SPEECH (Optional)
Abis Connector (CMU300 with Option CMU-B71 only)
I/Q CH1 Connector (CMU200 with Option CMU-B17 only)
IF3 Connectors (CMU200 with Option CMU-B17 only)