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Management Terminal Setup
2E48-27R/2E49-27R User’s Guide 5-7
5.3.4 Monitoring an Uninterruptible Power Supply
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 Section 5.7.10, Configuring the COM Port.
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 Figure 5-2.
To connect the UPS device to the COM port of the 2E4X-27R, proceed as
follows:
1. Connect the RJ45 connector at one end of the cable to the COM port
on the 2E4X-27R.
2. Plug the RJ45 connector at the other end of the cable into the
RJ45-to-DB9 male (UPS) adapter (Cabletron Systems part number,
9372066).
3. 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).
Figure 5-2 Uninterruptible Power Supply (UPS) Connection
RJ45 COM Port
RJ45-to-DB9
UPS Adapter
UPS Device
DB9 Port
UTP Cable
with RJ45 Connectors
23141-51
RX
TX
RX
TX
24
RX
TX
8
RX
TX
16
RX
TX
23
RX
TX
7
RX
TX
15
RX
TX
22
RX
TX
6
RX
TX
14
RX
TX
21
RX
TX
5
RX
TX
13
RX
TX
20
RX
TX
4
RX
TX
12
RX
TX
19
RX
TX
3
RX
TX
11
RX
TX
18
RX
TX
2
10
17
RX
TX
1
RX
TX
9
RX
TX
COM
RESET
2E48-27R
2625
PWR
CPU