Cabletron Systems 2H23-50R, 2H33-37R manual Monitoring an Uninterruptible Power Supply

Management Terminal Setup

5.3.4Monitoring an Uninterruptible Power Supply

If the 2H23-50R or 2H33-37R is connected to an American Power Conversion (APC) Uninterruptible Power Supply (UPS) device for protection against the loss of power, a connection from the 2H23-50R or 2H33-37R 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 2H23-50R or 2H33-37R is used to attach the UPS to the COM port as shown in Figure 5-2.

To connect the UPS device to the COM port, proceed as follows:

1.Connect the RJ45 connector at one end of the cable to the COM port.

2.Plug the RJ45 connector at the other end of the cable into the RJ45-to-DB9 male (UPS) adapter.

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

CONN 4	CONN 4	1
CONN 3	CONN 3
CONN 2	CONN 2
CONN 1	CONN 1
10		100
		1
		PWR
2H23-50R		CPU
	COM

CONN 3

CONN 1

12	1	12
		CONN 4
12	1	12
		CONN 2

5 6

DB9 Port

RJ45 COM Port

		UTP Cable
UPS Device
		with RJ45 Connectors
	RJ45-to-DB9
	UPS Adapter	22861-51

Figure 5-2 Uninterruptible Power Supply (UPS) Connection

2H23-50R/2H33-37R User’s Guide 5-7