| LT51 Line Tester 200 Hz to 2 MHz Power Line Communication Carrier PLC Tester PCM Multiplexer Tester POTS Voice Frequency (VF) Testing Selective Level Meter & Generator Spectrum Analyser - Noise / Distortion Return Loss, NEXT, FEXT Z Magnitude (for Line Trap) DCV, ACV, Loop Current TDR Function |
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| LT51-PCM(50/75/600/TN12 W) | with ITU-T G.227 Telephone Signal Similar to W&G / Acterna / JDSU PCM-23 see LT51 vs PCM-23 Comparison |
| LT51-PLC(50/75/125/600 W) LT51-PLC(50/75/150/600 W) LT51-PLC(75/125/150/600 W) |
Similar to Wandel Goltermann W&G / JDSU SPM-32, PS-33 see LT51 vs SPM/PS-3x Comparison |
| TMS A41 20 Hz to 200 kHz Enhanced Voice Frequency Testing Wideband TIMS *** Obsolete - No longer available *** |
LT41 Line Tester  |
LM41 Level Meter  |
LG41 Level Generator  |
R41 Responder  |
FB41 Feedbridge  |
| TMS A11 20 Hz to 20 kHz Voice Frequency Testing, TIMS *** Obsolete - No Longer Available*** |
LM11 Level Meter  |
LG11 Level Generator  |
TU11 Interface Unit  |
FB11 Feedbridge  |
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| TMS A21 20 Hz to 20 kHz Audio/Sound Broadcasting Testing *** Obsolete - No Longer Available*** |
LM21 Level Meter  |
LG21 Level Generator  |