Technical Appendix Specifications for the RADIO SYSTEM UPGRADE

F. All workstation operators shall be alerted of the transition to the standby power supply andshall be alerted of the failure of the hot standby power supply when the primary power supplyis in use.Instant Recall Recorder (IRR)Contractor shall supply a GUI-based IRR to support all radio communications audio at eachoperator position. Both transmit and receive audio shall be recorded for instant recall. This maybe integral to the dispatch workstation application software.PTT ID/Emergency DisplayA. The workstation shall be equipped to display the PTT ID and emergency PTT ID of allproperly equipped mobile and portable radio units.B. All operator positions shall be equipped to display the IDs on the display screen.C. The screen shall be equipped to display the ID with numeric, alphanumeric or a combinationof numeric and alphanumeric characters.Logging Recorder InterfaceA. The common-workstation electronics equipment shall provide multiple independent audiooutputs suitable for connection to an existing logging recorder.B. The outputs shall supply audio from all conventional radio channels controlled by theworkstation to the logging recorder. A common transmit and receive audio source shall beprovided.C. The common-workstation electronics equipment audio outputs shall filter guard and functiontones associated with tone remote controlled conventional base stations.D. The successful contractor shall furnish and install all audio couplers, impedance matchingdevices, signal level boosters, cabling and connectors as necessary for a complete and fullyfunctional interface between the common-workstation electronics equipment and the loggingrecorder.City of San Luis Obispo 42 Radio System Upgrade TECHNICAL APPENDIX