Chapter 1 Installation Of UPS Module 15
NXr UPS Module And Parallel System 30kVA ~ 200kVA User Manual
1.7.6 Relay and Network Interface Card ports, Service ports,
Optional Intellislot cards
a) with Global Velocity Protocol (On UPS display, select Protocol Velocity in “Settings”)
b)
with Asia-Pacific YDN23 Protocol (in use prior to 2012 - On UPS display, select Protocol YDN23 in “Settings”)
Fo
r
details, refer to the user manuals of the each specific network interface card.
Service ports
J2 and J3: Parallel connection ports - used for control of two or more NXr UPS cabinets operating in
parallel.
J4: Load Bus Synch (LBS) interface - used to synchronize the outputs of two NXr UPS systems operating in
dual bus mode.
RS232 / RS485: maintenance ports - used for programming, commissioning and investigation by service
engineers.
ModBus Card
p/n IS-485L
(preferred location: port 3)
SNMP/WebBrowser Card
p/n IS-WEBL (preferred loc: port 2)
Relay Card
p/n IS-Relay
(preferred location: port 1)
Relay Card
p/n 02351874
(preferred location: port 1)
SNMP/Web
SIC (Site Interface Card)
p/n 02351817 2, (preferred loc: port 2)
ModBus Card
p/n 02354066
(preferred location: port 3)
Summary of Contents for Liebert NXr
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