EN
KEOR SP
37
4.6 Communication devices
The UPS has one RS-232 female serial port and one USB 2.0 type-B port.
Only one communication interface at a time can control the UPS, according to the following
priority:
1) USB;
2) RS-232 (it uses a pin-to-pin DB9 male/female cable).
The following diagrams show the pinout of the RS-232 and USB ports:
Pin 2: RxD
Pin 3: TxD
Pin 5: GND
Pin 1: VCC (+5V)
Pin 2: D-
Pin 3: D+
Pin 4: GND
It is possible to download specific communication software from the website
ups.legrand.com
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