10 ESP Serial Hub Installer/User Guide
Electrical
Table 2.6 describes the electrical connector information for the ESP serial hubs. For electrical
specifications, see Technical Specifications on page 73.
Installing the Hub
All ESP hubs ship ready to use in a tabletop environment.
ESP-2 MI hubs may be installed on a DIN rail. Contact your Avocent representative for
information about an Industrial Mounting Kit.
ESP-8 MI and ESP-16 MI hubs may be rack mounted.
You may replace an existing ESP hub with a similarly configured hub without affecting the server
or having to reconfigure the ports.
NOTE: The power outlet should be near the equipment and be easily accessible.
NOTE: ESP-8 MI and ESP-16 MI hubs are not user serviceable. To avoid electric shock, do not attempt to open
the unit or operate with the cover off. Do not attempt to make any repairs. See Technical Support on page 80
for information.
Table 2.6: ESP Serial Hub Electrical Connectors
Model Electrical Connector
ESP-2 MI
Two electrical power connectors are located on the front of the hub under the label POWER
9-30 VDC 4W. You may use either one of the connectors, but not both.
The hub ships with an external power adaptor. This adaptor includes a barrel plug that is
inserted into the left power connector.
The hub also contains a 3-pin screw terminal block connector which provides connection for
a 9-30 VDC power source. The locations of the positive, ground and negative pins are
printed next to the connector.
Surge protection is provided for each serial port up to 15,000 volts electrostatic discharge
(ESD).
ESP-4 MI
The power connector is located on the front of the hub. An external universal 5 VDC power
supply, which must be provided by Avocent, has a standard IEC AC input connector that
accepts power cords with country-dependent plugs.
Surge protection is provided for every signal on each serial port and meets or exceeds the
applicable European CE Immunity Standards.
ESP-8 MI and
ESP-16 MI
An AC line cord connector is located on the back of the hub. The hub ships with an 18 AWG
three-wire cable, with a three-lead IEC-320 receptacle on the power supply end and a
country dependent plug on the power resource end.
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