General

1.0GENERAL

Liebert’s Load Bus Sync (LBS) Extender/Adapter for Dual Bus UPS is designed to extend the LBS function, up to 150m (492 ft.) between Liebert NX series uninterruptible power system (UPS) modules of a dual bus system (DBS). The adapter also enables a Liebert NX UPS to synchronize with other UPS models.

Figure 1 LBS Adapter dimensions

8.5

(216.2mm)

DY3-4ZPW

POWER ON

COM1

COM2

SWITCH

LED1

 

 

1.8” 5.25

(45.5mm) (133.5mm)

Figure 2 Horizontal installation

DY3-4ZPW

POWER ON

COM1

COM2

 

SWITCH

 

 

LED1

 

 

Figure 3 Vertical installation

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Liebert Extender/Adapter installation manual General