• TRM-540
  • TRM-541
  • TRM-540 thum
  • TRM-541 thum

Analog Audio Optical Converters

Enables line level audio signals to transmit long distance over a fiberoptic cable.

Key Features and Benefits

  • 8 channel transmission (4-channel inputs/4-channel outputs)
  • Maximum input/output voltage: +24 dBu (balanced)
  • Supports 600 ohm input by each channel with selector switches
Platform or Stand Alone Kit required for power supply
  • Tech Data
  • Downloads

Analog Audio Optical Converters

Model Wavelength Occupancy Remark
TRM-540 1310 nm 5 slots Work with TRM-541.
TRM-541 1550 nm Work with TRM-540.
TRM-540A-47 1471nm for CWDM Work with TRM-540A-** of a different wavelength (*1).
TRM-540A-49 1491nm for CWDM
TRM-540A-51 1511nm for CWDM
TRM-540A-53 1531nm for CWDM
TRM-540A-55 1551nm for CWDM
TRM-540A-57 1571nm for CWDM
TRM-540A-59 1591nm for CWDM
TRM-540A-61 1611nm for CWDM
  • (*1) TRM-540A-** does not work with TRM-540 or TRM-541.
  • Analog Audio Optical Converters wiring

    Block Diagram of TRM-540 and TRM-541


Model TRM-540, TRM-541 TRM-540A-**
Fiber Type Single Mode
Optical I/O Connector 1 x SC 2 x LC
Audio I/O Connector 1x D sub 25 pin (F)
Frequency Response 20 Hz - 40 kHz (-3 dB, +0.1 dB)
Dimensions 91 x 43.4 x 78.4 mm
Weight 265 g




Download form


*Download file

Please fill out this form to download your file. We use your personal information collected through our Services for purposes described in the Privacy Policy or Site Policy.
If you agree to the above, please click on the "Agree" button below to be taken to downloads.