Emerson Liebert PSA Line-Interactive UPS 500-1500VA User Manual

A connection may be configured during installation if the proper connections are in place. These 

settings may be configured or changed after installation, as described in 8.3.3 - Properties - Setup 

Tab.
Table 2 provides a quick look at the options available during installation for each type of connection 

and how to enter comparable setup information in the Properties Setup tab.

CONTACT CLOSURE - Monitor a UPS connected to this computer by a contact closure cable
• Connection type

(Section 5.2.2)

Choose Serial port on computer
[computer name].

Choose Contact Closure in Device Type
box.

• Source type

(Section 5.2.3)

When prompted, specify Contact Closure.

Specify port in Serial Port box.

USB CABLE - Monitor a UPS connected to this computer by a USB cable
• Connection type

(Section 5.2.2)

Choose USB port on computer
[computer name].

Choose USB Device in Device Type box.

• Source type

(Section 5.2.4)

SERIAL UPS - Monitor a UPS connected to this computer by a serial cable
• Connection type

(Section 5.2.2)

Choose Serial port on computer
[computer name].

Choose Serial UPS in Device Type
box.

• Source type

(Section 5.2.3)

Specify name of serial port.

Specify port in Serial Port box.

UPS WITH SNMP CARD - Monitor an SNMP-equipped UPS connected to the same network
• Connection type

(Section 5.2.2)

Choose Network to an SNMP UPS or 
MultiLink on another computer

Choose SNMPv1 Device in Device Type box.

• Source type

(Section 5.2.5)

Host & client computers must use same ports.
• Choose SNMP source if host computer

uses standard ports (161/162)

OR

• Choose Custom if host computer does NOT

use standard ports (161/162)

Host & client computers must use same ports.
• Choose 161 in Request Send Port box;

choose 162 in Trap Listen Port box.

OR

• Specify ports in Request Send Port and

Trap Listen Port boxes.

MULTILINK BASIC NOTIFICATION SOURCE* - Set up a client computer to receive notifications over a network
• Connection type

(Section 5.2.2)

Choose Network to an SNMP UPS or 
MultiLink on another computer

Choose MultiLink Basic Notification Source
in Device Type box.

• Source type

(Section 5.2.5)

Host & client computers must use same ports.
• Choose MultiLink source if host computer

uses standard ports (3027/3029)

OR

• Choose Custom if host computer does NOT

use standard ports (3027/3029)

Host & client computers must use same ports.
• Choose 3027 in Request Send Port box;

choose 3029 in Trap Listen Port box.

OR

• Specify ports in Request Send Port and

Trap Listen Port boxes.

* Note: After designating a client computer as a MultiLink Basic Notification Source, add the client computer to the host computer’s list of 

targets (8.3.6 - Properties - Clients Tab)