Black Box LE180A 10BaseT-To-AUI Mini BNC Transceiver

The Black Box LE180A is a stand-alone 10BASE-T to AUI transceiver (MAU) that bridges an AUI-equipped device to a 10 Mbps Ethernet twisted-pair link, compliant with IEEE 802.3 standards. It accepts an AUI interface on one side and a copper 10BASE-T RJ-45 connection on the other, and it draws power from the AUI port with no external power required. This unmanaged, plug‑and‑play transceiver supports reverse-polarity detection on the receiving pair and switch-selectable link and SQE test functions to verify link health, making it suitable for LAN extension or Ethernet speed conversion in legacy networks. The unit is housed in a rugged metal enclosure for standalone applications; typical dimensions are about 4 in × 1 in × 4 in and it weighs roughly 3.2 oz. It is RoHS compliant and TAA compliant, and carries the Black Box part number LE180A. By design, it provides a low-maintenance bridge between AUI ports and 10BASE-T networks without configuration requirements.