timbitson: WeatherStationGrounding.pdf / local copy
HA4B - RS232 Isolated 1-Wire Host Adapter
Gladstone Family surge protection
.1 A 250 V fuse 1N5906 (12 V Zener) Zener (TVS): 1.5KE10ACCCT -- 10 Volt 1500 Watt Unidirectional TVS. 1N5817 (1N4004) 1N5404GICT -- 3Amp 400PIV diode
DataShield RS-232 Dataline Surge Suppressor
SUPPRESSION 1 set RJ45 in/out jacks, protects wires 1-8, 18V clamping.
Tripp Lite DataShield DB-9 Dataline Surge Suppressor
Offers protection on all 9 lines, plus D shell chassis.
Peak pulse clamping voltage: 18V
Phone line surge protection is not suitable for data line protection. The clamping voltage is typically
several 100s of volts. You can get dataline RJ45 connectors built into the power strip which have
18 volt clamping which may be more suitable.