Additional Features:
- Verifies customer services for Voice, Data, and Packet (B and D Channel) services
- Determines line quality with BER testing (prequalification with LT/NT Emulation Mode)
- Tests the ISDN network at the 2-wire U interface using 2B1Q line coding, and at the 4-wire S/T interface
- Testing at these interfaces can include Margin Analysis using selectable dB Loss Pads
- LEDs indicate vital information for each interface, including Sync, Active and Ready status
- Optional U-Monitor interface allows bi-directional monitoring of in-service D-Channel signaling messages with storage, on screen LCD display, or RS-232 data port output
- Emulates the NT1 or the TE (i.e., an ISDN phone), or a combination of the two (NT1/TE)
- Capable of testing these elements insolation: an important problem-solving feature
- Pinpoint ISDN problems with AutoSPID. This feature reports and displays the SPIDs, allowing you to select the correct SPID for testing
- SPID Guess determines the SPID after the 10-digit directory number has been entered
- Auto Video Test auto-answers and loops both B channels for 128K video calls
- User-friendly design allows technicians with limited training to do the job quickly and correctly in the shortest possible time
- Compact, lightweight, and weather-resistant, the TPI-550B goes wherever your testing needs take you
Технические характеристики
| Manufacturer | Acterna |
|---|---|
| Condition | Used |







