Telephone Line Tester Custom Networking Hardware Tools for ISDN Line , ADSL Line
Quick Detail:
1. telephone function Dial, Ring, Talk
2. Mute
3. Tone/Pulse
4. High voltage protection
5. Polarity indication Butt set
6.Telecom Line Identifying (Telephone line, ISDN line, ADSL line)
7. Solid new materials for shell,Waterproof and vibration proof
Description:
Telephone Line Tester
This Line Tester is a multi-functional tester. Thanks to its dumbbell shape, it can be put on the shoulder during operation, which successfully enables the operator to do other work conveniently at the same time. What is more, the operator can even go climbing as it can be hung in the tool belt of waist by the pothook. Regarding the material of shell, it adopts Polycarbonate material which has high shock/drop resistance and waterproof, dustproof, anti-break and high reliability.
1. Common telephone function: Dial, Ring, Talk
2. Mute
3. T/P switch
4. High voltage protection (by fuse)
5. Polarity indication by LED
6. Volume adjust
7. Pause
8. Store phone number
9. Monitoring function
10. Last number redial
11. Telecom Line Identifying (Telephone line, ISDN line, ADSL line)
Applications:
Telephone line tester, Telephone line, ISDN line, ADSL line
Specifications :
| 230D | Support 250V high voltage protection |
| Built-in splitter to protect the ADSL service on ADSL without interruption. | |
| Loop Resistance | 2.2K Ohm at 48 VDC (20 mA current). |
| Resistance under talk mode | 220 Ohm at 20 mA |
| Resistance under monitor mode | ≥1 M Ohm |
| Pulse Dial Output Rate | 10 PPS |
| Interval | 600 m Sec |
| Frequency Error | +/-1% |
| High VS Low Tone | 3dB Max |
