Comtech EF Data CDM-760 - Manual (Page 362)

Appendix G Revision 2
CDM-760 Advanced High-Speed Trunking Modem MN-CDM760
G–28
The Status | Performance | IQMon page (Figure G-15) provides you with a Constellation /
Spectrum Analyzer feature. If you have access to a bench oscilloscope in X-Y mode, Pins #3 and
#11 on the CDM-760 rear panel J1 | ALARMS connector provide analog voltages to monitor the
constellation. The advantage here is that ModCod changes may be viewed instantaneously.
Figure G-16. Status | Performance | IQMon Page