Emerson Liebert Static Transfer Switch - Manual (Page 49)

Installation Drawings
41
Figure 28 Control wiring for the RS-232 port
LCD DISPLAY
See Detail A
Front View
Upper Half of Unit
With Door Open
PS213006
Rev. 01
6 7 8 9
1 2 3 4 5
TXD RXD GND
DB9 Connector
Detail A
NOTES
1. RS-232 communication through
DB9 connector .
2. Connector accessible with front
door open . Connector must be
removed before closing door .