These full-featured, basic test sets for POTS testing work in many systems, conditions, and environments, thanks to their DropSafe™ ruggedness and RainSafe™ water protection.
• Tone (DTMF) and pulse operation
• Last number redial
• DTMF signal levels compensated for loop length
• DropSafe™ protection up to 20 feet
• Audible electronic ringer
• Locking mute switch
• 3-year redial storage time
• Over voltage and over current protection
• PBX pause button
• Field replaceable belt clip
• Continuous polarity LED indications
• For use with computerized voice response systems
• Stores nine 18-digit numbers in repertory dialer (speed dialing)
• RainSafe™ water protection for use in extreme weather conditions
• TS22A includes all the above, plus a high-impedance monitor for DataSafe™ operation and two-way speakerphone