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 - PSD / Distortion
Return Loss & Balance NEXT FEXT
DMM Functions (DCV,ACV,Z Magnitude)
TDR Function
LT51
LT51-PCM option 75 / 600 / TN12 W, ITU-T G.227 Telephone Signal
Similar to W&G / Acterna / JDSU PCM-23
LT51 vs PCM-23 Comparison
LT51-PLC option 50 / 75 / 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 ***
LT41
Line Tester
LT41
LM41
Level Meter
LM41
LG41
Level Generator
LG41
R41
Responder
R41
FB41
Feedbridge
FB41
TMS A11
20 Hz to 20 kHz
Voice Frequency Testing, TIMS

*** Obsolete ***
LM11
Level Meter
LM11
LG11
Level Generator
LG11
TU11
Interface Unit
TU11
FB11
Feedbridge
FB11
TMS A21
20 Hz to 20 kHz
Audio/Sound Broadcasting Testing

*** Obsolete ***
LM21
Level Meter
LM21
LG21
Level Generator
LG21
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