Table of Contents ITR2000A Tone Remote Desk Set
04/15 Pub. 43004-006E iii
PARALLEL STATUS OPERATION ................................................................................................................................ 14
INSTALLATION ....................................................................................................................................................... 15
PLANNING THE INSTALLATION .................................................................................................................................. 15
MECHANICAL RECEIPT INSPECTION ......................................................................................................................... 15
MOUNTING ............................................................................................................................................................... 15
FCC INTERFERENCE WARNINGS .............................................................................................................................. 15
ELECTROSTATIC DISCHARGE (ESD) PROTECTION .................................................................................................... 16
EQUIPMENT REQUIRED ............................................................................................................................................. 16
CABLE INSTALLATION SAFETY CONSIDERATIONS..................................................................................................... 16
TELEPHONE LINE LIGHTNING AND OVER-VOLTAGE PROTECTION ............................................................................ 16
POWER CONNECTION ............................................................................................................................................... 16
LINE CONNECTION ................................................................................................................................................... 17
Line Considerations - Private Circuit ................................................................................................................. 17
Circuit Conditioning ........................................................................................................................................... 17
AUDIO ACCESSORY/RS-232 PORT CONNECTION ...................................................................................................... 17
MICROPHONE SENSITIVITY ....................................................................................................................................... 18
LEVEL ADJUSTMENTS AND DIAGNOSTICS ................................................................................................................. 19
Main Programming Selection Mode ................................................................................................................... 19
F1 – Line Output Adjust (Transmit) .................................................................................................................... 20
F2 – Line-in Sensitivity (Receive) ....................................................................................................................... 21
F3 – Internal Diagnostics ................................................................................................................................... 22
CARD SUITE PROGRAMMING SOFTWARE .................................................................................................... 23
GENERAL DESCRIPTION ............................................................................................................................................ 23
CONNECTION ............................................................................................................................................................ 23
INSTALLATION .......................................................................................................................................................... 23
TROUBLESHOOTING ............................................................................................................................................ 25
TROUBLESHOOTING THE ITR2000A DESK SET ........................................................................................................ 25
FUSE REPLACEMENT ................................................................................................................................................ 26
CIRCUIT BOARDS .................................................................................................................................................. 27
SCHEMATICS .......................................................................................................................................................... 31
DEFINITIONS AND ACRONYMS ......................................................................................................................... 39
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