Rockwell Automation 1756-DHRIOXT ControlLogix-XT Data Highway Plus-Remote I/O Communication Interface Module - Manual (Page 17)

ControlLogix-XT Data Highway Plus-Remote I/O Interface Module 17
Publication 1756-IN638A-EN-P - March 2009
Connect the DH+ or Remote I/O Network
Connect the DH+ or Remote I/O network to the channel A or B
connector as appropriate.
Apply Chassis Power
Apply power to the ControlLogix-XT power supply to provide power
to the 1756-DHRIOXT module installed in the chassis.
WARNING
If you connect or disconnect the communications 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.
X
T
LINK NET OK
10/100/BASE T
X
T
A
1756-DHRIOXT