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