Section VI
Control Interface Details
006-0007129 10/12/2018
Rev B
50 of 60
UPS-1500 3-Phase Guide
www.synqor.com
RS232 Serial Interface
The same User I/O female high-density DB15 connector also provides for an RS232 interface
between the UPS and the host/system computer. The interface has a 115.2k baud with eight data
bits, no parity bit and one stop bit. The pin assignments and functions for this RS232 interface
are as follows:
Signal
Pin Number
Function
GND
4 and 5
Ground reference for RX and TX signals
RX
3
RS232 DCE/UPS Device Receive signal
TX
2
RS232 DCE/UPS Device Transmit signal
The RS232 port provides readback of UPS’s state, as well as the configuration and control of the
UPS’s operation. The port can be used from a standard terminal interface, or from a custom
computer application.
DC1 Output
Option
DC1 Output
Option
UPS-1500-S-1U with DC1 Output/DC2 Output Option
Ethernet Port
Option
Ethernet Port
Option
AC Output
AC Output
Exhaust
Fan
Exhaust
Fan
Exhaust Fan
Exhaust Fan
I/O
Port
I/O
Port
User
Config
Port
User
Config
Port
Ground
Stud
(1/4-20)
Ground
Stud
(1/4-20)
DC Input
Option
AC Input
AC Input
AC Switch
AC Switch
UPS-1500-S-1U with DC Input/DC1 Output Option
Air intakes
Status Indicator Panel
Status LED
On/Off
17.00"
1.73"
1U
UPS-1500-S-1U
DC2
Output
Option
