Vertiv™ | Liebert® STS2/PDU
™
User Manual | Rev. 6 | 10/2017 64
Figure 54 Control wiring for the RS-232 Port
PS213006
Rev. 1
FRONT VIEW
Upper Half of Unit
With Door Open
Notes
1. RS-232 communication through DB9
connector.
2. Connector accessible with front door
opened. connector must be removed before
closing door.
DB9 Connector
Detail A
See Detail A
Txd Rxd
Liquid
Crystal
Display
Gnd
1234
6789
5