Vertiv Liebert APS series, Installer And User Manual

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4 COMMUNICATION
The rear panel of the Liebert APS includes the following communication ports:
• Liebert IntelliSlot™ port—3
• Dry-contact port—1
• REPO (Remote Emergency Power Off)—1
• Long Run Time (LRT) Battery-temperature Probe Terminal—1
• USB port—1
4.1 Liebert IntelliSlot Ports
The 3 Liebert IntelliSlot communication ports (see Figure 4.1 below) are for communication options,
including the Liebert IntelliSlot Unity card, dry-contact card, Liebert MultiPort and Liebert IntelliSlot EBC
card. The IntelliSlot ports and the USB port may be used at the same time.
Figure 4.1 Liebert IntelliSlot communication port location
ITEM DESCRIPTION
1 IntelliSlot ports
4.1.1 Liebert IntelliSlot Unity Cards
• IS-UNITY-LIFE is standard in every Liebert APS. It is used for communication between the
Liebert APS and Vertiv™ Trellis® NMS and LIFE Services.
• IS-UNITY-DP: is optional in place of the standard card if communication to two third-party
platforms is required. Third-party platforms include SNMP and 485 (Modbus/Bacnet)
protocols. When used, this card also provides communication between the Liebert APS and
Vertiv™ Trellis NMS and LIFE Services. All communication protocols are active simultaneously.
Vertiv | Liebert® APS™ Installer/User Guide | 51