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
This feature-rich test set is a necessity for a variety of installs. The TS25D Test Set features data lockout and lockout override, making you completely safe in talk or monitor mode. The DSL/POTS filtering technology allows you to safely draw dial tone without downing DSL.
A built-in analog tone generator simplifies wire identification with a probe. An amplified speaker makes monitoring the line hands-free, so you can keep working. The talk battery function provides voltage to carry voice conversation on non-powered pairs.
All in a compact unit with an oversized robust liquid crystal display (LCD) that makes the intuitive, common-sense menus easy-to-read and use.
TS® Professional Series – Products Comparison
The TS®25D Test Set top features include:
Models & Accessories
>14 dB (ref 600 Ω)
150 Ω nominal
600 Ω nominal; 300 Hz to 3400 Hz
>120 kΩ; 300 Hz to 3400 Hz
10 pps ±1 pps
Tone Frequency Error
±1.5 % maximum
–1 dBm combined (typical)
High versus Low Tone difference
2 dB ± 2 dB
10 speed dial memories plus one last number redial memory
23 digits per memory
User programmable Default: 4 seconds
7.8 in x 2.7 in x 1.6 in (20 cm x 6.8 cm x 4 cm)
10 ounces (284 g)
Temperature Range Operating
32°F to 122 °F (0 °C to 50 °C)
-40 °F to 150 °F (-40 °C to 65 °C)
Up to 10,000 ft (3,000 m)