Liebert 12 bay, User Manual

Page: 19 / 45

17
COM Ports
Nfinity
is able to communicate through multiple
communication ports simultaneously.
COM 1 – Relay Contacts
Relay contacts are available through a DB-9F
communications connector. Contact closure
provides the following:
Pin Assignment
1 Low Battery (normally open)
4
UPS shutdown in battery mode
(5-12 V DC for 1.5 sec)
5 Common
7 Low Battery (common)
8 On Battery (common)
9 On Battery (normally open)
The contacts are rated 48V DC, 1 Amp
maximum and are compatible with the SiteNet
MultiLink software.
COM 2 – Serial
Nfinity
is able to communicate via Liebert
proprietary protocol. The pin-out configuration
of the DB-9 connector is:
Pin Assignment
2 Transmit Data
3 Receive Data
5 Common
Intellislot™ Ports
The following communication cards may be
used with
Nfinity
:
Intellislot™ SNMP cards
– allows the
Nfinity
communicate intelligently with your Ethernet
network. The SNMP card must be installed in
port 1; any additional cards can be added in
consecutive ports.
Intellislot™ MultiPort4 cards
– allows up to
four client computer systems to simultaneously
monitor the status of
Nfinity
.
Intellislot™ Relay Contacts cards
– provides
contact closures for remote monitoring of alarm
conditions; On Battery, On Bypass, Low Battery,
Summary Alarm, UPS Fault and On UPS
signals. It will integrate with AS400 computers
(additional cable required) and other monitoring
systems.
Pin Assignment
Communication