TELLABS TL
ELECTRONIC EQUIPMENT USED PRIMARILY IN THE SWITCHING AND VOICE FREQUENCY TRANSMISSION AREAS OF TELECOMMUNICATIONS, INCLUDING, BUT NOT LIMITED TO, LINE AMPLIFIERS, EQUALIZERS, TERMINATING SETS, ECHO SUPPESSORS, DATA TERMINATION EQUIPMENT, SIGNALING EQUIPMENT, BRIDGES, PROGRAM AMPLIFIERS, TRUNKS, POWER EQUIPMENT AND MOUNTING SHELVES
Cancelled · July 14, 1975 · 73057671 ·