Manual Do Utilizadoríndice analíticoIntroduction1ISM Band Spread Spectrum1NEBS1Applications2Spread Spectrum2Direct Sequence2Coding2Channel Selection3Forward Error Correction3T1 Operation3Framing3Line Code4DS1/DSX-1 Interface4Line Buildout or LBO4TRACER System Configuration4Baseband Processor or BBP4DS1/DSX-1 Interface5VT-100 RS-232 Interface6Alarm Contacts6IF Signal6Power6Controls and Indicators6Non-Volatile Memory8Built-In Tests8Radio Frequency Convertor or RFC8Antenna10Radio Frequency Interference Statement11Shielded Cables11FCC Output Power Restrictions11Exposure to Radio Frequency Fields11Unpack, Inspect12Rackmounted RFC Configuration12Mastmounted RFC Configuration12Installation13Location and Mounting13Power Requirements13Grounding13DS1/DSX-1 Interface14Link Planning15Antenna Feedline Loss15Antenna Gain15Path Loss16Path Availability16Setting the Transmitter Power172.4 GHz, 1 Watt Transmitter Option17Setting the RFC Frequency Plan on Non 1 Watt 2.4 GHz Models18Setting the RFC Frequency Plan on 5.8 GHz Models19Directions for Changing the Frequency Plan on the Rack Mount RFC20Directions for Changing the Frequency Plan on the Mast Mount RFC20Connecting the BBP and the RFC20Applying Power20Automatic BBP Frequency Plan20Spreading Code21Co-Locating Multiple Systems21Antenna Alignment21RF Low22Remote BERT22Alarm Contacts22VT-100 User Interface23RS-232 Interface23Modem Connection23Telemetry Byte Oriented Serial Interface23RF Down System Status28Cable Connections28Password28Main Menu Selections29System Status Page29Main Menu Page30T1 Status Page30Link Performance History31Channel A Statistics Page31Channel B Statistics Page32Alarm Page32Test Menu33Configuration Menu34Remote Access35General37Problem Descriptions and Recommended Actions37Troubleshooting using the front panel indicators37“Link Error” light is lit, or link is down37“BPV” light on T1-A or B is lit38RED light on T1-A or B is lit38“LBK-A” or “LBK-B” is lit39“AIS/YEL” on T1-A or T1-B is lit39“AIS/YEL” indicator is flashing40No “Power” light40“Test” light is lit or blinking41“TST” light is lit after pressing “Remote Test” button41“Fail” light is lit after pressing “Remote Test” button42“RF Low” light is on42Troubleshooting Using the VT-100 User Interface43RED Alarm43BLV Alarm43YEL/AIS Alarm44RF Link Alarm or Code Sync Alarm44Carrier Sync Alarm or T1 Mux Framer Alarm45ES Values in T1 Status Menu46SES Values in History Menu46Transmitter47Receiver47Frequency Plan47Spread Spectrum Data Pump47Interface Specifications47User Interface47VT-100 Terminal Interface48Mechanical & Environmental48Power48Warranty49Sales49Repairs and Returns49Technical Support49Acronyms Used in This Manual51Typical Application2Bandwidth Division3BBP4BBP Rear Panel5BBP Block Diagram5BBP Front Panel (with door closed)6BBP Front Panel (with door open)7RFC Module9RFC Function Block Diagram9Mastmount RFC Housing10Rackmount RFC Housing102.4 GHz Diplexer185.8 GHz Diplexer19Rear Panel Connectors24System Status Page28System Status Page29Main Menu Page30T1 Status Page30Link Performance History Page31Channel A Statistics Page31Channel B Statistics Page32Alarm Page32Test Menu33T1 Loopback Locations33Configuration Menu34Remote Current System Status35Smooth4Average1The RF link is down.1Both units are not set to the same PN code6The BBP or RFC is faulty.10The incoming T1 contains BPVs or errors.1TRACER are incompatible.2The connection at the T1 input or DS1/DSX-1 equipment is faulty.2far-end T1, indicating the far-end T1 is RED.3The connection at the T1 input or DS1/DSX-1 equipment is faulty.2The polarity of the power connection is reversed.2One-flash interval indicates a RAM test failure.1Two-flash interval indicates the T1-C mux failed internal test.1Three-flash interval indicates the T1-A framer failed.1Four-flash interval indicates the T1-B framer failed.1Five-flash interval indicates a DSP failure.1On (solid) indicates a faulty internal component.1button or the VT-100 user interface.1The 10-second BERT has failed over the RF link to the far-end.1(-90 dBm 5.8 GHz)1The connection at the T1 input or DS1/DSX-1 equipment is faulty.2The incoming T1 contains BPVs or errors.1TRACER are incompatible.2transmitting a yellow alarm.3The RF link is down.1Both units are not set to the same PN code.6The BBP or RFC is faulty.10The RF link is down.1Both units are not set to the same PN code.6The BBP or RFC is faulty.10In an AMI-coded T1, a BPV or frame bit error has occurred.1In an ESF-coded T1, a BPV or CRC error has occurred.1In an AMI-coded T1, 1544 BPVs or 8 frame bit errors have occurred.1In an ESF-coded T1, 1544 BPVs or 320 CRC errors have occurred.1Number of Codes10Data Bits8Stop Bits1Tamanho: 700 KBPáginas: 65Language: EnglishAbrir o manual