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9. Communication Port
9.1 USB Interface
The USB port is compliance with USB 1.1 protocol for its communication
software.
9.2 Dry contact Interface
This series UPS has independent dry contact interface. Please contact
your local distributor for details. The following is the pin assignment and
description of DB-9 connector.
Pin #
Description
I/O
Pin #
Description
I/O
1
UPS Fail
Output
6
Bypass
Output
2
Summary Alarm
Output
7
Battery Low
Output
3
GND
Input
8
UPS ON
Output
4
Remote Shutdown
Input
9
Line Loss
Output
5
Common
Input
9.3 RS-232 Interface
(
optional
)
The RS-232 port is available for UPS monitoring, control, and firmware
updates.
The cable pins for the RS-232 communication port are identified in the
following illustration.
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