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COMMUNICATIONS INTERFACES
Location:
The RS-232 interface is standard on all SG series UPS models. The port is
located on the UPS rear panel, via a DB-9 female connector.
Supported Protocols
UPSILON 2000 & SEC Smart Mon
BAUD RATE ------- 2400bps
DATA LENGTH---- 8 bits
STOP BIT----------- 1 bit
PARITY-------------- None
When making a connection between a computer and the UPS RS-232 port,
always use the green cable supplied with the UPS due to the propriatary pin-
out of the RS-232 port.
There are communications options that WILL DISABLE the RS-232 port and
render it inoperable. The options are as follows:
a.
The following options WILL NOT affect the operation of the RS-232 port:
a.
b.
DB-9 Signals are not isolated and intended for connection to like RS-232
interfaces. DO NOT APPLY ANY OTHER VOLTAGES TO THESE PINS!
All manuals and user guides at all-guides.com
CHAPTER
CHAPTER
RS-232 INTERFACE
DB-9 Connector Pin Assignment
Pin #
Function explanation
9
6
7
CAUTION
CAUTION
Internal SNMP/HTTP agent option installed into the UPS
communications option slot.
Falcon Opto Coupler based signal interface board installed in the
communications option slot.
Any Falcon relay based, dry contact signal interface board
installed in to the communications option slot.
CAUTION
5
5
1
2
3
4
5
RS 232 Rx
RS 232 Tx
Ground
15
TX
6
GND
GEN
7
8
RX
9
I/O
INPUT
OUTPUT
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