Description
The SIEMENS Model MMB-3 board (refurbished) in each MXL / MXLV System controls operations and monitors input device identity, network communication, and operator commands that are entered through the MKB Annunciator/ Keyboard. The MMB-3 also provides two analog loop driver circuits.
Click here to view PDF Data Sheet
We also have NEW SIEMENS Model MMB-3 board (still in factory sealed boxes) available here
