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Chapter 2. Installation
2-2 TDU 120e User Manual 61202156L2-1
Customer Provides
• Cables for any expansion modules to be used with the
TDU 120e
• 10BaseT cable for connection to a LAN or router (if
you plan to use remote management features)
POWER CONNECTION
AC Powered Units
Each TDU 120e AC unit is equipped with a captive eight-
foot power cord, terminated by a three-prong plug which
connects to a grounded power receptacle.
DC Powered Units
Each TDU 120e DC unit is provided with a two-pin power
receptacle and mating plug. Power to the TDU 120e DC
unit is +
48 VDC or +24 VDC.
Power to the TDU 120e AC unit must be from a grounded 90-120 VAC,
50/60Hz source.