Allied Telesyn International ​CentreCOM Microtransceiver. 

IEEE 802.3 Compliant Transceiver (MAU) Ethernet Compatible.  10 BASE 2.  Connects directly to a DTE or Worstation AUI connector.

Model:  AT-MX10
Power:  12VDC   300mA Max
Connectors:  BNC & 15-pin AUI (male)

Heartbeat Status & Power Indicator Light:
* Amber: Heartbeat Selected On
* Green:  Heartbeat Selected Off
* Indicator Off:  No Power or Connection from DTE





LCTN:  BX111