Cabletron Systems 2E48-27R 用户手册

If the 2E4X-27R is connected to an American Power Conversion (APC) 
Uninterruptible Power Supply (UPS) device for protection against the 
loss of power, a connection from the 2E4X-27R COM port to the UPS can 
be made to monitor the power status of the UPS. To use the COM port for 
this purpose, it must be reconfigured to support the UPS connection using 
the procedure described in 

Refer to the UPS documentation for details on how to access the status 
information.

The Console Cable Kit provided with the 2E4X-27R is used to attach the 
UPS to the 2E4X-27R COM port as shown in 

To connect the UPS device to the COM port of the 2E4X-27R, proceed as 
follows:

Connect the RJ45 connector at one end of the cable to the COM port 
on the 2E4X-27R.

Plug the RJ45 connector at the other end of the cable into the 
RJ45-to-DB9 male (UPS) adapter (Cabletron Systems part number, 
9372066).

Connect the RJ45-to-DB9 male (UPS) adapter to the female DB9 port 
on the rear of the UPS device (refer to the particular UPS device’s user 
instructions for more specific information about the monitoring 
connection).

RJ45 COM Port

RJ45-to-DB9
UPS Adapter

UPS Device

DB9 Port

UTP Cable

with RJ45 Connectors

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