they will only work communicating data one-way
Cable Type Set of 8 color-coded TRS / phone cables Length 3' ( 0
12A product from SCHNEIDER ELECTRIC/MAGNECRAFT with the model number 784XDXM4L-120AProduct details
Bogen Communications CA-10A Call-In Switch for PI135A
Flexible silicone insulated wire resists burning
APEM IRR3F422 Pushbutton Switch, Off-(On), SPST, 250 V, 48 V, 200 mA, Wire Leaded Energizer 522BP they will only work communicatingThis is a Pushbutton Switch, Off (On), SPST, 250 V, 48 V, 200 mA, Wire Leaded product from APEM with the model number IRR3F422Product details Switch Operation Off (On) Contact Configuration SPST Contact Voltage AC Nom 250V Contact Voltage DC Nom 48V Contact Current Max 200mA Switch Terminals Wire Leaded Product Range IR Series Other details Brand APEM Part Number IRR3F422 Quantity Each Technical Data Sheet EN All product and company names are