
Attaching the Expansion Module
If supported, connect the Linking Smart CDU with the provided RJ12 crossover cable at the Link port
on the Smart CDU.
NOTE: The overall length of the RJ12 crossover cable should not exceed 10 feet.
Connecting to the Power Source
On 30A units, the input power cord is attached to the base of the unit. On units with a total maximum
output <30A, you must first attach the power cord to the unit before connecting the unit to the power
source.
To attach a power cord to the unit:
1. Plug the female end of the power cord firmly into its connector at the base.
2. Use a screwdriver to tighten the two screws on the retention bracket.
To connect to the power source:
Plug the male end of the power cord into the AC power source.
Connecting Devices
To avoid the possibility of noise due to arcing:
1. Keep the device’s on/off switch in the off position until after it is plugged into the outlet.
2. Connect devices to the CDU outlets.
NOTE: Server Technology recommends even distribution of attached devices across all available outlets to avoid
exceeding the outlet, branch or phase limitations. See Power Ratings on page 80 for more information.
Always disconnect ALL power supply cords before opening to avoid electrical shock.
Afin d’éviter les chocs électriques, débranchez TOUTES les cables électrique avant d’ouvrir.
Immer ALLE Netzleitungen auskuppeln vor den Aufmachen um elektrischen Schlag zu vermeiden.
Connecting the Sensors
The Smart CDU is equipped with two mini RJ11 T/H ports for attachment of the
Temperature/Humidity sensors. Attach the mini RJ11 plug of the sensor(s) to the appropriate T/H port.
Connecting to the Unit
Serial (RS232) port
The Smart Cabinet Distribution Unit is equipped with an RJ45 Serial RS-232 port for attachment to a
PC or networked terminal server using the supplied RJ45 to RJ45 crossover cable and RJ45 to DB9F
serial port adapter as required. See
Data Connections in Appendix C: Technical Specifications for
more information on the Serial RS-232 port.
Ethernet port
The Smart Cabinet Distribution Unit is equipped with an RJ45 10/100Base-T Ethernet port for attachment
to an existing network. This connection allows access to the Smart CDU via Telnet or HTML.
The Smart Cabinet Distribution Unit is configured with the following network defaults to allow unit
configuration out-of-the-box through either Telnet or HTML:
• IP address: 192.168.1.254
• Subnet Mask: 255.255.255.0
• Gateway: 192.168.1.1
The local PC network connection must be configured as noted below:
NOTE: Contact your system administrator for instructions in reconfiguring the network connection. Reconfiguration of
your network connection may require a restart to take effect.
• IP address: 192.168.1.x (where x is 2-253)
• Subnet Mask: 255.255.255.0
Smart Cabinet Distribution Unit Installation • 9
Installation and Operations Manual
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