Batboard

I recently aquired a Motorola T1380AE DC Remote Deskset. It has F1/F@ control, Monitor and intercom functions. It appears to be setup for 4-wire control, as there is a four conductor cable which is terminated with a four pin DIN plug. So far I have determined that it generates transmit current and monitor current. It also receives audio which is amplified for the speaker and switches ot the handset when off hook. If anyone has a mnual or any other technical information I would appreciate getting a copy. I am willing to compensate for duplication costs.
73,
Doug B. K0VPL

I have a manual I can scan and send you a PDF. Please PM me with your email.
k2hz