Supervised input kit for inputs.
$72.21
Ethernet Interconnect switch with eight-port 10BASE-T/100BASE-TX switching hub (for twisted-pair copper cabling)
Communication surge protection kit for MS/TP bus and subnetwork bus communication lines.
ISOBAR 12 Ultra Surge Suppressor by Tripp Lite 12-Outlet Isobar Rackmount Surge Protector with 15-ft Cord and All-Metal Housing
Input/Output surge protection kit for universal input and output connections. Not to be used with supervised input kits.