RLE Wi-MGR V.1.6 - Manual (Page 16)

16 Wi-MGR User Guide 800.815.1519
2 Getting Started
2.3.2 EIA-232 COM Connection
The Wi-MGR 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 in
Figure 2.5.
Figure 2.5 EIA-232 COM Connection
2.3.3 Modbus EIA-485 Connections
The Wi-MGR can function as a Modbus Slave over an EIA-485, 2-wire hardware connection,
as shown in Figure 2.6.
Figure 2.6 EIA-485 Connection