Chapter 3 - Installation
27
© 2017
GM1212 Geist Watchdog Wi Instruction Manual
Setup
Connections
RJ45 Ethernet Connection
The Watchdog Wi has an internal 10/100BASE-T Ethernet port that is used for
configuration. The Ethernet port supports Web browser access, email (SMTP), BACnet
slave, Modbus slave, and SNMP. The device can connect directly to a PC with a
crossover cable, or it can connect to a PC through a hub or switch, with CAT5 cables.
Figure 3-3
Ethernet Connection to a PC Using a Crossover
Cable
EIA-232 COM Connection
The Watchdog Wi can be connected directly to a PC through its EIA-232 port. This is
useful for IP configuration, firmware downloads, and troubleshooting. The EIA-232
connection is only used as a temporary connection. Connect the straight through, 9-pin
serial cable as shown.