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COM Ports
Nfinity is able to communicate through multiple
communication ports simultaneously.
Pin Assignment
COM 1 – Relay Contacts
Relay contacts are available through a DB-9F
communications connector.
provides the following:
Pin
Assignment
1
Low Battery (normally open)
UPS shutdown in battery mode
4
(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
Communication
Contact closure
17
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.
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