Troubleshooting guide

Installation and Operation Manual
4
CROSSOVER & STRAIGHT-THRU ETHERNET CABLES
FIGURE 3
¾ CAUTION: Do not plug the UCM’s Ethernet connector into anything other than a
10baseT Ethernet compatible computer,
router or similar 10baseT Ethernet compatible device or damage may result which will void the limited warranty. Utilizing good
wiring practices total maximum cable length should be limited to 329 feet (100m).
UCM DIRECT COMPUTER CONNECTION
This option allows a single computer to directly connect to the UCM without a router or internet access. Direct connection is the simplest means to
communicate with the UCM and will likely be required to access and configure communication settings for UCM access via a router or over the Internet.
1) Connect UCM to powered charge controller with 4-pin telephone cable supplied
Confirm heartbeat/power LED is blinking indicating charge controller is powered and UCM is powered and operating.
2a) Windows XP Configure computer’s TCP/IP settings for direct connection with UCM
For Windows XP operating system go to Control Panel, Network Connections, and select Properties for the LAN Hardware device. From the
Local Area Connection Properties window select Internet Protocol (TCP/IP) and select Properties. Record the present Internet Protocol (TCP/IP)
Properties settings for subsequent restoration which will likely be Obtain an IP Address Automatically and Obtain DNS Server Address
Automatically. Enter the Internet Protocol (TCP/IP) Properties settings shown below and select OK and then OK again to exit the Local Area
Connection Properties window. There may be some delay as the computer reconfigures TCP/IP communications.
STRAIGHT-THRU
PATCH CABLE
CROSSOVER
CABLE
COMPUTER
OR UCM
COMPUTER ROUTER UCM
Direct Connect TCP/IP settings