Liebert Extender/Adapter Manuale Utente

1. Connect the power cables of the adapter to the Phase A, Neutral and Ground Output of each UPS.
2. Connect the LBS cable to COM1 of the LBS Signal Adapter connected to the Liebert NX. 
3. Connect the other end of the LBS cable to X4 on the parallel board (UHW241M3) in the NX UPS.
4. Connect the communication cable (up to 492 ft. [150m]) to the COM2 interface of each LBS Signal 

Adapter.

5. The switches of LBS signal adapters connected to the Liebert NX should be in the right position 

and the switches of LBS signal adapters connected to the non-NX UPS should be in the left 

position (see Figure 5).

Installation by qualified electrical personnel only—hazardous voltage may be present at the 

UPS output connectors.

Power port

Connect to Phase A, Neutral and Ground of output of UPS.

LED1 (red)

Power LED. It illuminates when the power is on, turns off when the power fails.

COM1

LBS Signal interface.
Connect to NX series UPS unit.

COM2

RS485 interface.
Connect to other Signal Adapter.
Green LED: Communication Power is OK.
Yellow LED: Adapter is connected to Non NX series UPS.

SWITCH

Switch to left: Connect to Non-NX series UPS unit.
Switch to right: Connect to NX series UPS unit.

Voltage

120V-277VAC

Frequency

45-65HZ

Current

0.2A Max

150 Meter Kit

NX150MLBSKIT

50 Meter Kit

NX050MLBSKIT