COMMUNICATION
Eaton 9155 UPS (8–15 kVA) User's Guide S 164201553 Rev G (www.eaton.com/powerquality)
52
Communication Options
The Eaton 9155 has serial communication capabilities through the DB-9
communication port or through an X-Slot card in one of the available bays. In addition,
the LanSafe Power Management Software can be installed and used to communicate
with the UPS via one of the serial communication connections.
The UPS supports two serial communication devices according to the following table:
Independent Multiplexed
X-Slot 1 X-Slot 2 DB-9 Communication Port
Any X-Slot card Any X-Slot card except the Eaton Modem
Card
Not in use
Any X-Slot card Eaton Relay Interface Card
Powerware Hot Sync
®
CAN Bridge Card
Available
Any X-Slot card Not in use Available
NOTE You can configure relays, signal inputs, and the serial port baud rate through the front panel menus
(see Table 9 on page 59).
DB-9 Communication Port
To establish communication between the UPS and a computer, connect your
computer to the UPS communication port using the supplied communication cable.
When the communication cable is installed, power management software can
exchange data with the UPS. The software polls the UPS for detailed information on
the status of the power environment. If a power emergency occurs, the software
initiates the saving of all data and an orderly shutdown of the equipment.
The cable pins are identified in Figure 41 and the pin functions are described in
Table 6. See Figure 36 on page 49 for the communication port location.
3
8
7
9
1
6
2
4
5
Figure 41. Communication Port
Table 6. Communication Port Pin Assignment
Pin Number Signal Name Function Direction from the UPS
2 TxD Transmit to external device Out
3 RxD Receive from external device In
5 GND Signal common (tied to chassis) —
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