INS_CNFE3DOE2/M
10/11/11 PAGE 3
INSTALLATION AND OPERATION MANUAL
CNFE3DOE2/M
TECH SUPPORT: 1.888.678.9427
Hardware description
The ComNet CNFE3DOE2/M terminal server supports Ethernet transmission over two copper
ports and one fiber port. The server is universally compatible with RS232, RS422, RS485 serial
data protocols. All configurations are done through its web server. Distances depend on which
SFP (Small Form Pluggable) module is used. The RJ45 Ethernet and SFP interfaces are all enabled.
They can function as an Ethernet media converter.
Mechanical Drawing of CNFE3DOE2/M Unit
Switches are used for RS485 Full Duplex mode to terminate Tx+ & Tx- and Rx+ & Rx- with 120
ohms. Both switches should be in the on position. For all other modes, the switches should be in
the off position.
The data connector pin-out is as below:
Settings by Data Type (Port 1 or 2)