4 configuring the serial ports, Serial port (db ) – Powerware 9330 User Manual
Page 140
12--2
Powerware 9330 (10 kVA--40 kVA) Installation and Operation
164201300 REV. G 061502
3
2
1
5
4
7
6
9
8
TXD
RXD
DSR
RETURN
DTR
CTS
RTS
NOT USED
SERIAL PORT (DB--9)
NOT USED
Figure 12---1. Serial Port Pin Assignments
Table 12---1. Pin Assignments for Serial Port (DB---9)
Pin # Symbol
Description
Comments
2
TXD
Transmit Data
Input to UPS
3
RXD
Receive Data
Output from UPS
4
DSR
Data Set Ready
5
RTN
Return
6
DTR
Data Terminal Ready
7
CTS
Clear to Send
8
RTS
Ready to Send
12.4
Configuring the Serial Ports
Table 12---2 lists the default configuration settings for the serial communications
port.
Table 12---2. Serial Communications Port
Baud
Data Bits
Stop Bit
Parity
Handshaking
9600
8
1
No
Disabled
The serial port is pre-configured and can not be changed.
Terminal Mode and Remote Notification Mode (refer to Chapter 13, “Remote
Notification) are available using the serial communications port.