This manual contains instructions for operating the CSA option for the IFR 1900 and is intended to be used in conjunction with the IFR 1900 Operation Manual (1002-3402-200). The CSA option is a Dual Mode / Tri-Band Cellular System Analyzer for the IFR 1900 Communication Service Monitor. The CSA option, referred to as the CSA, provides the ability to monitor, simulate and test Base and Mobile Stations utilizing EIA/TIA-553, ΕΪΑ/ΤΙΑ-627 (formerly IS-54B), IS-136 (Rev. 0) and NT400© protocols. The CSA, contained within the IFR 1900 consists of additional hardware and software necessary to perform the protocol functions and tests. The CSA is controlled from the IFR 1900 front panel and color display or remotely through the rear panel connectors. CSA Option The CSA provides the following functions and tests: • IS -136 Cellular Data Monitor. • Analog Control Channel Cell Site Simulation. • IS -13 6 Base Station Digital Traffic Bit- Error Rate test. ® Modulation Accuracy and Power Measurements. • Digital Control Channel Cell Site Simulation. • Digital Control Channel Mobile Simulation. • Self Test, Diagnostics, Configuration Info, External I/O Setup and a User File System. The CSA is operated remotely through the rear panel of the IFR 1900 by means of the following: • Dedicated RS-232 Connector. • Additional IEEE-488 address using the IFR 1900 GPIB Connector. • Additional Test MACro (TMAC) commands for IS -136 protocol and control.