End of Line (EOL) Supervision Device

The 5410EOL and 5411EOL are end-of-line (EOL) supervision devices designed to monitor the continuity of 70/100V speaker circuits without requiring a return wire. Installed at the end of a loudspeaker line, these modules enable AtlasIED systems to detect open circuit faults anywhere along the speaker wiring - right up to the last speaker in the chain.

When paired with the speaker line supervision functions of the GLOBALCOM® or 5400 Series systems, the 5410EOL and 5411EOL enable comprehensive speaker circuit monitoring. GLOBALCOM® systems perform supervision in conjunction with AtlasIED DNA Series amplifiers, T112, and T112C amplifiers, while 5400 Series systems supervise speaker lines through Digital Zone Managers (such as the IED5404DZM and IED5432DZM) working with 5400 Series amplifiers (IED5414AMP, IED5434AMP, and IED5454AMP) or DNA Series amplifiers. These end-of-line devices present a measurable load at the supervision frequency (~20 kHz), without affecting the audible frequency performance of the paging or emergency audio system.

For proper operation, the speaker circuit must be wired as a continuous daisychain, without branches or parallel connections, and one EOL device should be installed at the end of each supervised speaker output.