TS® 25D Test Sets

The TS25D telephone tester features data lockout and lockout override, and a large LCD.
  • Caller-ID and Call Waiting Caller-ID
  • Amplified speakers for hands-free monitoring
  • Data lockout and data lockout override
  • Tone generator for wire identification
  • Talk battery to power voice conversation on dry (non-powered) lines
  • Easy to read oversized liquid crystal display