GE EP 1000LRT, User Manual

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16. COMMUNICATION PORT
16.1 RS232 Interface
The following is the pin assignment and description of DB-9 connector.
16.2 USB Interface
Except for the communication protocol as mentioned above, this series UPS has
USB card for USB1.1 communication protocol.
16.3 SNMP communication (Option)
Except for the communication protocol as mentioned above, this series UPS has
SNMP communication card (an optional accessory) for SNMP communication
protocol. Please contact your local distributor for details. The following is the card
panel description.
Pin # Description I/O
2 TXD Output
3 RXD Input
5 GND Input