RS-485 control module with AD-246 24Vdc power adapter. It allows use of up to 16 RS-485 remote control panels. Bi-directioncal RS-485 communication provides control and status feedback display for each remote function. Dual ports allows independent home runs for up to 8 modules each. 24 VDC power adapter (optional AD-246) required for each port used. May be used in any control option slot on 9000M2 frame and even in addition to a C-001T when spare slots are available.