Communication Options; Communication Port - HP R1500 - UPS XR User Manual

Standalone UPS configuration—See "Powering up the standalone UPS (on page 25)."
o
Parallel UPS configuration—See "Powering up the parallel system (on page 39)."
o

Communication options

The UPS has serial communication capabilities through the DB-9 communication port or through an X-Slot
card in one of the available bays.
The UPS supports two serial communication devices.
NOTE:
panel menus.
X-Slot 1 (independent)
HP UPS Management Module HP Parallel UPS Card
HP UPS Management Module Not in use
DB-9 communication port
To establish communication between the UPS and a computer, connect the computer to the UPS
communication port using the supplied communication cable.
For the communication port location, see "Installing communication options and control terminals (on page
74)."
Serial communications port pin assignment
Pin number Signal name Function
1
2
3
Relay, signal inputs, and the serial port baud rates are configurable through the front
X-Slot 2 (multiplexed)
— No connection
TxD Transmit to external device
RxD Receive from external device
DB-9 communication port (multiplexed)
Available
Available
Direction from the UPS
—
Out
In
Communication 75