User manual

Pin Signal Name Description In the UPS
1 -
2 RXD Receive data
3 TXD Transmit data
4 DTR Data terminal ready
5 GND Signal ground
6 DSR Data set ready
7 RTS Request to send
8 CTS Clear to send
9 -
(*) (**) These pins are tied together internal to the UPS. Signals
DTR, DSR, RTS, and CTS are not used.
Special notes concerning RS-232C communication
• For Toshiba UPS protocol and command structure refer to the
Communication Option User Manual
• The optional RemotEye™ SNMP interface is the recommended
method for communication with the UPS system.
• If an optional RemotEye™ SNMP interface card is installed in the
UPS only one method (SNMP or RS-232C) will function at a time.
• For a description of the cable required to connect to a Toshiba
UPS system refer to the Communication Option User Manual or
contact Toshiba’s UPS Marketing Department at [phone] or
by e-mail at [e-mail].
DB9 Female Connector Outline
(facing connector)