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Communications port information for 2KVA, 3KVA, 5KVA and 7KVA units only:
These units contain two independent communications ports. Port one is for standard RS232
communications and labeled RS-232 Port. The second port is relay contact closure
configured for standard AS 400 ports. This port is labeled Control Port.
The pinout for the RS-232 port is depicted per the chart below. Note: when using the SNMP
option card, this port will be disconnected. Both the slot and the port may not be used at the
same time.
Communication settings: When using the RS232 port, the following settings should be used.
Baud Rate: 2400
Data Bits: 8
Stop Bits: None
Parity: 1
Pin 1: Not Used
Pin 2: /TXD Transmit Data
Pin 3: /RXD Receive Data and Commands
Pin 4: Not Used
Pin 5: Ground
Pin 6: Not Used
Pin 7: Not Used
Pin 8: Not Used
Pin 9: Not Used
The pinout for the Control port is depicted per the chart below.
Pin 1: UPS failure (fault)
Pin 2: Summary alarm (normally open, closes on event)
Pin 3: Common for pin 4
Pin 4: EPO or shutdown
Pin 5: Common ground for all relays.
Pin 6: Bypass active=make/ ups on=open
Pin 7: Battery low (normally open, closes on event)
Pin 8: UPS on=make/ bypass active=open
Pin 9: AC fail (normally open, closes on event)
Your UPS unit is shipped standard with SentryII monitoring software. This software may be
used for monitoring the UPS and power when loaded into your computer and connected via
the supplied software communication cable. This software is a detailed tool to help you
manage your power needs.
This software will also support a simpler style of controlled shutdown for the consumer that
is not interested in detail, but is still interested in a controlled unattended shutdown. The
simple software function requires the purchase and installation of a separate cable that is
not provided with the unit. Please contact your local vendor or Minuteman Technical support
department at 800-238-7272 or 972-446-7363 should you need to purchase this software
cable.
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