101-212 ELK M1XOVR 8 Voltage and 8 Relay Output Expander The 101-212 is the ELK M1XOVR output expander, adding eight voltage outputs and eight relay outputs to an M1 control. It operates on the 4-wire data bus, includes flash memory for firmware updating...

101-210 ELK M1XIN 16 Zone Input Expander The 101-210 is the ELK M1XIN 16 zone input expander for M1 and M1G controls. It adds 16 hardwired EOL resistor supervised zones, operates on the 4-wire data bus and supports flash-memory firmware updating. This...

101-207 ELK M1DBH RJ45 Data Bus Hub The 101-207 is the ELK M1DBH data bus hub for connecting multiple home-run CAT5 or CAT6 data cables to an M1 control. The hub accepts RJ45 plugs, series-connects the Data A and Data B lines internally and provides a...