6 COMMUNICATION
This section describes the communication ports on the rear of the UPS:
• Liebert IntelliSlot® port
• USB port (standard B-type)
• Terminal Block Communication
CAUTION: To maintain safety (SELV) barriers and for electromagnetic compatibility, signal
cables should be segregated and run separate from all other power cables.
6.1 Liebert IntelliSlot Communication Cards
The Liebert IntelliSlot port accepts four optional cards:
• Liebert IntelliSlot Web Card (IS-WEBCARD)
• Liebert IntelliSlot Relay Card (IS-RELAY)
• Liebert IntelliSlot MultiPort Card (IS-MULTIPORT)
• Liebert IntelliSlot Unity Card (IS-UNITY-DP)
The Liebert IntelliSlot Web Card provides SNMP monitoring and control of the UPS across the network.
The Liebert IntelliSlot Relay Card provides dry contact relay outputs for custom-wired applications and
delivers support for Liebert MultiLink
®
shutdown software.
The Liebert IntelliSlot MultiPort Card provides four sets of contacts for support of up to four computers
that have Liebert MultiLink installed.
The Liebert IntelliSlot Unity Card provides SNMP and/or RS-485 monitoring of the UPS across the
network and/or building management system. The Liebert IntelliSlot UNITY card also enables monitoring
external temperature, humidity and contact closure inputs using external sensors.
Follow instructions provided with the Liebert IntelliSlot card to configure Liebert MultiLink
®
, the UPS or
any additional ancillary product for the Liebert GXT4. The instructions are available at
http://www.VertivCo.com/en-us/support/.
6.1.1 Liebert MultiLink
Liebert MultiLink monitors the UPS continuously and can shut down the computer or server in the event
of an extended power failure. LiebertMultiLink can also be configured to shut down the UPS.
LiebertMultiLink can communicate with the UPS via the USB port, RS232 port, contact closures via
terminal block or over the network via SNMP using the Liebert IS-UNITY-DP card. An optional Liebert
MultiLink license kit permits shutting down multiple computers that are protected by the UPS.
For more information about the Liebert IntelliSlot SNMP Card, Liebert IntelliSlot Web Card and Liebert
MultiLink License Kits, visit www.VertivCo.com or contact your Vertiv™ representative.
6.2 USB Port Communication
The standard B-type USB port is used to connect the UPS and network server or other computer system
using Liebert MultiLink.
Vertiv | Liebert GXT4 Installer/User Guide | 43
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