Rockwell Automation 1756-RIO ControlLogix Remote I/O (RIO) Communication Interface Module Installation Instr - Manual (Page 15)

ControlLogix Remote I/O (RIO) Module 15
Rockwell Automation Publication 1756-IN610B-EN-P - November 2010
Install the Removable Terminal Block (RTB)
Push the removable terminal block (RTB) into the 3-pin connector.
WARNING: If you connect or disconnect the communication cable
with power applied to this module or any device on the network, an
electrical arc can occur. This could cause an explosion in hazardous
location installations. Be sure that power is removed or the area is
nonhazardous before proceeding.
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