The TS17 test set provides two‑way communication, polarity indication, and an audible ringer for callbacks in a compact, lightweight design (7.3 oz). It includes a quick‑release belt clip and a replaceable line cord for easy carry and service. The TS17 Deluxe adds high‑impedance DataSafe monitoring, mute, hook flash, and last‑number redial for more demanding installations.
Ordering information lists part numbers 17800‑005 for the standard set and 17801‑005 for the Deluxe version, with optional accessories such as angled line cords and belt‑clip replacements. Physical dimensions are 6.75 in (L) × 2.38 in (W) × 2.5 in (H).
| Tone frequency error | ± 1 dBm max |
|---|---|
| High‑impedance monitor (Hi‑Z) impedance | 100 kΩ nominal, 300‑3400 Hz |
| Low‑impedance monitor (RING) impedance | 6 kΩ nominal, 300‑3400 Hz |
| Length | 6.75 in (17.1 cm) |
It measures 6.75 in long, 2.38 in wide, and 2.5 in high.