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HelpTag : Telephone Line Diagnostics
Showing 10 products related to this tag:
Ultimate Technician's ATA - 2 FXS Ports
- Highly Configurable Analog Telephone Adapter
- 2 FXS Ports
- Ringdown / Phone Line Simulator Functionality
Loop Current Booster+
- Increases Loop Current to 27ma
- Boosts on-hook talk battery by 24VDC
- Polarity toggle switch
Ring Voltage Booster II
- Increases Ring Voltage to 90VAC at 20 Cycles
- Increases Ring Current to 7.5 REN
- True Sine Wave Output
- For Bridged Ringing
2500 Style Desk Phone with Keypad (Black)
- Analog Phone with Amplified Handset
- Real Mechanical Bell Ringer
- Includes Handset and Line Cord
Technician's Smart Digital Multimeter (DVOM)
- Smart True RMS Multimeter
- Perfect for Measuring Phone Lines
Tone Master TM-16 DTMF Digit Decoder
- Professional DMTF Digit Decoder
- Serial Port Interface
Loop Current Tester
- One button diagnostic tool
- 5 range indicators
- Line powered device
- Telecom technician MUST-HAVE
Deluxe Loop Current Tester Kit
- Loop Current Tester Kit
- Case for Other Testers and Accessories
- Includes Modular 66 Block Adapter
Modular 2/4/6/8 Pin Butt-Set Banjo Adapter
- Breaks out all 8 pins on modular jack
- Includes universal modular cord
- Modular In and Out Jacks
Loop Current Regulator - 1 Line
- Regulates Loop Current to 25ma
- Modular RJ-11 (One-Line)
- Line In Use Indicator
Showing 7 Knowledgebase Articles related to this tag:
Learn basic troubleshooting techniques that can help you save time diagnosing and fixing telephone and network equipment.
These are the AC, DC, Current and Circuit Loss readings you need to take to figure out why a phone line is doing strange stuff. It's what we fill out on every service call where there's a strange problem!
Start by filling out this PDF chart to diagnose strange problems!
Learn how to use a DVOM to take the readings from our Telephone Line Diagnostic Table accurately.
Fix "Unfixable" problems caused by irregular loop current and circuit loss
Why won't your phone ring? Learn about ring voltage and how to measure AC ring voltage with a digital volt meter.
Fix hum and strange unfixable problems
Tips on how to fix Caller ID problems. Includes things to check when it works on a cheap Caller ID box, but won't work on the expensive phone system. DON'T Replace the KSU first!