EC-BOS-8 – Add-on dual port RS-485 module. Complies with UL 864, UUKL Smoke Control Listing.
$717.75
Power surge protection kit for 24VAC/DC power terminals connections.
Modular repeater for electrical isolation and range increase in RS-485 2-wire bus systems up to 500 kbps, 4-way isolation, rail-mountable, supply 24V DC by Phoenix Contact.
SC-to-SC duplex multimode fiber patch cord by Signamax
Communication surge protection kit for MS/TP bus and subnetwork bus communication lines.