EC-BOS-8 – Add-on dual port RS-485 module. Complies with UL 864, UUKL Smoke Control Listing.
$717.75
100 VA 120/24 VAC power supply, 10Amp circuit breaker
ISOBAR 8 Ultra Surge Suppressor by Tripp Lite 8-Outlet Premium Isobar Surge Protector with 12-ft Cord and All-Metal Housing
Ethernet Interconnect switch with eight-port 10BASE-T/100BASE-TX switching hub (for twisted-pair copper cabling)
Transformer, 120/24VAC, 100 VA, 4Amp circuit breaker