LEGRAND PREMIUS - Communication Port; USB Definition; RS-232 Interface Configuration

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2.4 Communication Port
2.4.1 The UPS is equipped with USB communication, RS232 port as standard with the UPS monitoring software to
remotely monitor the power and UPS status.
2.4.1.1. You may use optional interfaces cards for RSE-F (RS-485), DCE (Dry Contact) and SNMP.
2.4.1.2. The software bundled (downloaded from Legrand website) with the UPS is compatible with many operating
systems such as Windows 2000, XP, Server 2003, VISTA, Server 2008, Win7 and Win8 and Linux.
2.4.1.3. When the optional interface cards are used together with the onboard USB port the EPO signals will get
highest priority, then the SNMP/WEB card, then the shutdown command at the DCE, RSE-F cards and then
finally the onboard USB port gets the lowest priority.
2.4.2 USB Definition:
2.4.2.1. Complies with USB version 1.0,1.5 Mbps
2.4.2.2. Complies with USB HID version 1.0
2.4.2.3. Pin Assignments:
1 → VCC (+5V)
2 → D-
3 → D+
4 → Ground
2 1
3 4
11.5
10.5
True RS-232
The RS-232 interface must be configured as follows.
Pin Assignments:
Pin 3: RS-232 Rx
Pin 2: RS-232 Tx
Pin 5: Ground
Baud Rate 2400 bps
Data Length 8bits
Stop Bit 1
Parity None
5 4 3 2 1
9 8 7 6
EPO/ROO
Pin Assignments:
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(this function setting by setting tool )
+ Gnd