Liebert Extender/Adapter Liebert NX UPS to Non-Liebert NX UPS, Electrical rating

Installation

2.2Liebert NX UPS to Non-Liebert NX UPS

! WARNING

Installation by qualified electrical personnel only—hazardous voltage may be present at the UPS output connectors.

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).

Figure 5 Connecting a Liebert NX to a non-NX UPS

Power ON COM1 COM2 SWITCH Power ON COM1 COM2 SWITCH

LED1 LED1

Power Cable

Connect to NX UPS

LBS

Cable

Power Cable

Connect to non-NX UPS

Communication Cable

up to 492 ft. (150m)

Table 1	Human interface—indicators and switches
Item		Description
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.
		RS485 interface.
COM2		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.

Table 2	Electrical rating
Description		Rating
Voltage		120V-277VAC
Frequency		45-65HZ
Current		0.2A Max

Table 3	Part number description
Description		Part Number
150 Meter Kit		NX150MLBSKIT
50 Meter Kit		NX050MLBSKIT

3